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13 pages, 940 KB  
Article
Walking Uphill Aggravates Dyspnea and Dynamic Hyperinflation at Equivalent Oxygen Uptake in COPD Patients
by Ronen Reuveny, Amit Yaniv, Einat Kodesh, Tal Krasovsky, Arie Rotstein, Ariela Velner and Michael J. Segel
J. Clin. Med. 2026, 15(12), 4601; https://doi.org/10.3390/jcm15124601 - 13 Jun 2026
Viewed by 502
Abstract
Background/Objectives: COPD patients often complain of severe dyspnea when walking uphill, even up a mild incline. This study aimed to determine whether the dyspnea experienced during uphill walking is disproportionate to the increased mechanical work required to overcome gravity. Methods: Fourteen [...] Read more.
Background/Objectives: COPD patients often complain of severe dyspnea when walking uphill, even up a mild incline. This study aimed to determine whether the dyspnea experienced during uphill walking is disproportionate to the increased mechanical work required to overcome gravity. Methods: Fourteen COPD patients (FEV1 49 ± 11% predicted) and nine healthy participants performed three symptom-limited exercise tests on a treadmill, each at a fixed grade: 1%, 2.5%, and 4% for COPD patients; and 1%, 3%, and 5% for healthy participants. Treadmill speed was increased stepwise (3 min/stage). Inspiratory capacity (IC) maneuvers were performed during the last minute of each stage. Borg dyspnea scores (0–10) at the different inclines were compared at a uniform level of oxygen uptake (iso-V˙O2). Results: Borg dyspnea scores by COPD patients at the highest iso-V˙O2 attained were significantly higher at 4% treadmill grade compared to 2.5% and compared to 1% grade (7 ± 2 vs. 5 ± 2 vs. 5 ± 2, respectively; p < 0.001 for 4% vs. 1% grade, p < 0.005 for 4% vs. 2.5%). Dynamic hyperinflation worsened with grade, as reflected by decrease in inspiratory reserve volume (IRV) at the highest common iso-V˙O2 attained: 798 ± 336 mL at 1% grade vs. 698 ± 325 mL at 2.5% (p < 0.004) vs. 564 ± 350 mL at 4% (p < 0.002 for 4% vs. 1%; p < 0.004 for 4% vs. 2.5%). In contrast, healthy participants showed no significant grade-dependent differences in dyspnea or IRV at iso-V˙O2. Conclusions: Walking uphill in itself increases breathlessness of COPD subjects at iso-V˙O2, suggesting that the increased dyspnea cannot be explained simply by the increased work. This phenomenon may be related to dynamic hyperinflation, which is worse at steeper inclines. Full article
(This article belongs to the Section Respiratory Medicine)
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21 pages, 834 KB  
Article
Development of a Traditional Chinese Medicine Lifestyle Medicine Program for Depression: A Multi-Method Study
by Jia Yin Ruan, Sha Li, Fen Xu, Fiona Yan Yee Ho, Teris Cheung, Janice Yuen Shan Ho, Wai Chi Chan, Hai Yong Chen, Dennis Cheuk Wing Au, Rebecca Wing Yan Lee, Yim Wah Mak and Wing Fai Yeung
Healthcare 2026, 14(12), 1631; https://doi.org/10.3390/healthcare14121631 - 9 Jun 2026
Viewed by 147
Abstract
Introduction: Evidence supports using multicomponent lifestyle medicine programs to alleviate depression, yet few studies detail the program development process. This study aimed to systematically develop a complex lifestyle medicine program for depression based on Traditional Chinese Medicine theory. Methods: A stepwise, multi-method [...] Read more.
Introduction: Evidence supports using multicomponent lifestyle medicine programs to alleviate depression, yet few studies detail the program development process. This study aimed to systematically develop a complex lifestyle medicine program for depression based on Traditional Chinese Medicine theory. Methods: A stepwise, multi-method study was conducted. The preparation phase involved understanding the public health issue, identifying resources, and reviewing published evidence. Based on these results, a Delphi survey was performed, followed by an analysis of the context understanding as well as design and refinement of the program. Subsequently, the program was modeled, and a program theory was developed, incorporating explanations and assumptions in a relevant conceptual framework and logic model. Results: A complex lifestyle medicine program and program manual were established. The program involves three major themes, each with six 120 min weekly consecutive sessions: nourishing the heart (two sessions), nourishing according to the time (two sessions), and nourishing the Qi (two sessions). The program covered TCM theory and practice to promote healthy sleep, diet, stress management, and self-administered acupressure and TCM exercise. Teaching materials were created accordingly. Conclusions: This study reports the development of a complex multicomponent TCM lifestyle medicine program to relieve depression thoroughly and transparently, with a specific focus on the Hong Kong context and a particular focus on TCM theory. The developed program will be examined for feasibility, acceptability, and preliminary efficacy in alleviating depression in a mixed-methods clinical study. Full article
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19 pages, 576 KB  
Article
Avoid All the Competitive Ones: Dynamics of Altruistic Behavior, Mediators, and Moderators in an Evacuation Drill
by Soyoung Kim, Minsun Song and Fanhao Nie
Behav. Sci. 2026, 16(6), 876; https://doi.org/10.3390/bs16060876 - 1 Jun 2026
Viewed by 259
Abstract
This study explores how altruistic tendencies translate into altruistic behavior during evacuation and investigates the dynamic roles of altruistic intent and competitive orientations. A total of 127 adults in a lifelong education program participated in a routine fire-drill evacuation conducted in a naturalistic [...] Read more.
This study explores how altruistic tendencies translate into altruistic behavior during evacuation and investigates the dynamic roles of altruistic intent and competitive orientations. A total of 127 adults in a lifelong education program participated in a routine fire-drill evacuation conducted in a naturalistic setting, of whom 124 were retained for the final analyses after data screening and exclusion procedures. Situational altruistic behavior was assessed through a post-drill questionnaire, and the findings should therefore be interpreted as self-reported responses within an exercise-based evacuation context. In stepwise regression analysis, altruistic intent emerged as the strongest predictor of self-reported situational altruistic behavior. While altruistic tendency and desirable competition showed positive associations, excessive competition showed a negative association. Mediation and moderation analyses revealed that altruistic intent mediates the relationship between altruistic tendency and altruistic behavior but does not function as a moderator. In contrast, desirable competition operates as a negative moderator, weakening the influence of altruistic tendency on behavior despite its positive association in the regression analysis, while excessive competition exerts a direct negative effect on altruistic behavior. Although altruistic intent plays a key role in translating altruistic dispositions into helping behavior during evacuation, competitive pressures—whether excessive or efficiency-oriented—can constrain the expression of altruistic responses. More broadly, competition does not simply oppose altruism in evacuation contexts but reshapes how altruistic tendencies are expressed during emergency movement, highlighting the importance of managing competitive dynamics to support cooperative and life-saving behaviors. Full article
(This article belongs to the Section Social Psychology)
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14 pages, 5902 KB  
Case Report
Successful Management of Recurrent Hemoptysis, Polycythemia and Respiratory Distress in a Dog
by Pin-Yen Chen, Chi-Ru Chen, Po-Yao Huang, Pei-Ying Lo, Wei-Tao Chang and Chung-Hui Lin
Animals 2026, 16(9), 1384; https://doi.org/10.3390/ani16091384 - 30 Apr 2026
Viewed by 1072
Abstract
A male castrated Shih Tzu was evaluated for recurrent nocturnal episodes of acute respiratory distress accompanied by hemoptysis and transient erythrocytosis. The dog was clinically normal between episodes, but each nighttime event was severe and prompted repeated emergency visits. During each emergency presentation, [...] Read more.
A male castrated Shih Tzu was evaluated for recurrent nocturnal episodes of acute respiratory distress accompanied by hemoptysis and transient erythrocytosis. The dog was clinically normal between episodes, but each nighttime event was severe and prompted repeated emergency visits. During each emergency presentation, thoracic radiographs revealed severe diffuse interstitial-to-alveolar pulmonary infiltrates, and packed cell volume showed marked but reversible increases. A stepwise diagnostic evaluation, including serial indirect blood pressure measurement, coagulation assessment, echocardiography, and bronchoscopy with bronchoalveolar lavage, progressively excluded typical infectious, cardiac, structural, and coagulopathic causes of hemoptysis and acute respiratory distress. Given the stereotyped pattern of near-acute crises with diffuse pulmonary infiltrates and hemoptysis, mechanisms analogous to noncardiogenic pulmonary edema or exercise-induced pulmonary hemorrhage were considered. Therapeutic trials with sildenafil and furosemide failed to prevent further nocturnal recurrences. Considering concurrent transient PCV surges and the proposed role of catecholamine-driven splenic contraction as a rapidly mobilizable erythrocyte reservoir, a sympathetically mediated process was suspected, and α1-adrenergic blockade with prazosin was initiated. Following prazosin therapy, sustained clinical remission was achieved, with no further emergency episodes over a 17.5-month follow-up period. The response may have reflected multiple pharmacological effects of prazosin, including attenuation of sympathetically mediated splenic α1-adrenergic activity, systemic vasodilation, and reduction in venous return. This unique case suggests that dysregulation of the sympathetic nervous system may have contributed to the recurrent hemoptysis and acute respiratory distress and highlights adrenergic modulation as a potential therapeutic consideration in similar cases. Full article
(This article belongs to the Section Companion Animals)
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16 pages, 1098 KB  
Article
Prognostic Value of Exercise Testing in Patients with Liver Cirrhosis
by Teresa John, Alexander Avian, Gabor Kovacs, Peter Fickert, Vasile Foris, Maximilian Gumpoldsberger, Nikolaus John, Antonia Laule, Horst Olschewski, Vanessa Stadlbauer, Nikolaus Kneidinger, Rudolf Stauber and Philipp Douschan
Diagnostics 2026, 16(7), 1036; https://doi.org/10.3390/diagnostics16071036 - 30 Mar 2026
Viewed by 519
Abstract
Background/Objectives: Cirrhosis is associated with increased mortality. In this study, we aimed to investigate the prognostic relevance of 6-min-walk-distance- and cardiopulmonary exercise testing (CPET)-derived peak oxygen uptake (VO2) as estimates of exercise capacity in outpatients with cirrhosis. Methods: Patients underwent [...] Read more.
Background/Objectives: Cirrhosis is associated with increased mortality. In this study, we aimed to investigate the prognostic relevance of 6-min-walk-distance- and cardiopulmonary exercise testing (CPET)-derived peak oxygen uptake (VO2) as estimates of exercise capacity in outpatients with cirrhosis. Methods: Patients underwent a comprehensive clinical characterization including cardiopulmonary exercise testing, six-minute-walking-test-derived distance, and echocardiography. We stratified the cohort using established prognostic thresholds for the six-minute-walking-test-derived distance (440 m) and peak VO2 (65% predicted) and Child–Pugh class (A vs. B/C). Competing risk analyses were performed using cumulative incidence functions and subdistribution hazard models to assess the impact of baseline variables on mortality, accounting for liver transplantation (LT) as a competing event and for age and sex. The prognostic value of exercise performance was analyzed first, followed by the stepwise inclusion of additional variables; multicollinearity precluded a full multivariable model. Results: We enrolled 197 patients in Child–Pugh Class A, B, and C (N = 92, N = 80, N = 25 patients; male N = 146, age: 56 ± 9 years). During the observation time of 85 (25–105) months, 48 patients underwent a liver transplant, and 88 died. Both the six-minute-walking-test-derived distance ≤ 440 m (p = 0.002, sHR: 0.996 95% CI: 0.993–0.998) and peak VO2 ≤ 65% predicted (p = 0.023, sHR: 0.987 95% CI: 0.976–0.998) were strong independent predictors of mortality. While the six-minute-walking-test-derived distance consistently remained significant across most models, the peak VO2 retained significance only when adjusted for creatinine. Combining exercise capacity and the Child–Pugh classification identified patients at a particularly high mortality risk. Conclusions: In patients with liver cirrhosis outside the liver transplant setting, the impaired six-minute-walking-test-derived distance and peak VO2 serve as predictors of mortality and may help to identify patients at a particularly high mortality risk. These results suggest that functional capacity provides complementary information to established liver disease severity scores and could be considered in a multidimensional risk assessment approach in patients with liver cirrhosis. Full article
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18 pages, 951 KB  
Review
Return to Work After a Cardiovascular Event: The Central Role of Cardiac Rehabilitation
by Mario Pacileo, Francesco Giallauria, Gianluigi Cuomo, Giuseppe Vallefuoco, Alfredo Mauriello, Vincenzo Russo and Antonello D’Andrea
J. Clin. Med. 2026, 15(5), 2019; https://doi.org/10.3390/jcm15052019 - 6 Mar 2026
Viewed by 1221
Abstract
Background: Return to work (RTW) after acute coronary syndrome (ACS) or acute heart failure (HF) is a pivotal outcome reflecting functional recovery and quality of life (QoL). While survival after cardiac events has improved through reperfusion and guideline-directed pharmacotherapy, sustainable RTW depends on [...] Read more.
Background: Return to work (RTW) after acute coronary syndrome (ACS) or acute heart failure (HF) is a pivotal outcome reflecting functional recovery and quality of life (QoL). While survival after cardiac events has improved through reperfusion and guideline-directed pharmacotherapy, sustainable RTW depends on an integrated set of clinical, psychological, social, and occupational determinants. Objective: This study aimed to synthesize and expand the evidence on predictors of RTW, delineate practical workload-matching rules using METs and CPET, and position multidisciplinary cardiac rehabilitation (CR) as the bridge from clinical recovery to durable vocational reintegration. Key findings: Beyond left ventricular ejection fraction (LVEF), depression, anxiety, illness perceptions, and RTW self-efficacy are robust predictors of vocational outcomes. CPET-guided exercise prescriptions and MET-based job matching ensure adequate metabolic reserve; sustained task demand should remain at ≤35–40% of maximal capacity, with peak capacity ≥2× average job demand. CR (Class IA in the 2023 ESC ACS Guidelines) improves exercise tolerance, medication adherence, psychosocial well-being, and deployment of vocational support, including stepwise reintegration plans and ergonomic adaptations. Telerehabilitation extends monitoring and counseling into the workplace and maintains adherence after RTW. Conclusions: Comprehensive CR that integrates exercise training, psychosocial counseling, lifestyle modification, and vocational interventions offers the most effective pathway to stable RTW, improved QoL, and reduced socio-economic burden. Early identification of vulnerable subgroups and personalized, digitally supported follow-up are essential for long-term job retention. Full article
(This article belongs to the Special Issue New Clinical Perception of Cardiac Rehabilitation)
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11 pages, 1988 KB  
Article
Comparison of Invasive Versus Non-Invasive Pulse Contour-Based Cardiac Output Measurements at Rest and During Exercise in Pulmonary Hypertension
by Anna Titz, Julian Müller, Simon Raphael Schneider, Mona Lichtblau and Silvia Ulrich
J. Clin. Med. 2025, 14(24), 8971; https://doi.org/10.3390/jcm14248971 - 18 Dec 2025
Viewed by 812
Abstract
Background/Objectives: Measuring cardiac output (CO) is essential for diagnosis and therapeutic monitoring in pulmonary hypertension (PH). CO assessment based on thermodilution (TD) or Direct Fick (DF) during standard right heart catheterization (RHC) is impractical for regular follow-up. We evaluated the accuracy and agreement [...] Read more.
Background/Objectives: Measuring cardiac output (CO) is essential for diagnosis and therapeutic monitoring in pulmonary hypertension (PH). CO assessment based on thermodilution (TD) or Direct Fick (DF) during standard right heart catheterization (RHC) is impractical for regular follow-up. We evaluated the accuracy and agreement of non-invasive Modelflow (MF)-based CO assessment compared with TD and DF during rest and exercise RHC in PH. Methods: This post hoc analysis from a crossover RCT included 24 PH patients (7 females, 59 ± 14 years; mean pulmonary artery pressure 37 ± 11 mmHg) who underwent RHC with repetitive CO assessments at rest and during exercise. CO was measured by TD, DF, and non-invasive MF by fingertip pulse contour analysis at rest and during stepwise cycling to maximal exertion. Results: At rest, mean CO was comparable between methods: TD = 6.05 ± 1.80 L/min, DF = 5.68 ± 1.88 L/min, MF = 6.09 ± 1.84 L/min. At end-exercise, CO increased to TD = 11.18 ± 4.38 L/min, DF = 11.84 ± 4.74 L/min, MF = 8.38 ± 2.93 L/min. Bland–Altman showed minimal bias at rest (MF vs. TD: 0.04 L/min; MF vs. DF: −0.07 L/min) but substantial variability during exercise, with underestimation of CO by MF with increasing workloads (MF vs. TD bias = −2.80 L/min; MF vs. DF bias = −4.38 L/min). Limits of agreement were wide across all workloads. Linear regression confirmed an increasing CO with workload, but MF slope was shallower than TD/DF, suggesting proportional bias. Taffé analysis identified a significant differential (5.847) and proportional bias (0.195) indicative of CO overestimation by MF at low CO and underestimation at high CO. Conclusions: MF group-level agreement is acceptable, but individual-level accuracy is limited, indicating that MF may be suitable for trend monitoring but its applicability for clinical decision-making is restricted, especially during exercise. Full article
(This article belongs to the Section Respiratory Medicine)
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21 pages, 577 KB  
Review
The Present and Future of Sarcopenia Diagnosis and Exercise Interventions: A Narrative Review
by Hongje Jang, Jeonghyeok Song, Jeonghun Kim, Hyeongmin Lee, Hyemin Lee, Hye-yeon Park, Huijin Shin, Yeah-eun Kwon, Yeji Kim and JongEun Yim
Appl. Sci. 2025, 15(23), 12760; https://doi.org/10.3390/app152312760 - 2 Dec 2025
Cited by 4 | Viewed by 4449
Abstract
The aim of this review was to harmonize major consensus statements (European Working Group on Sarcopenia in Older People 2; Asian Working Group for Sarcopenia 2019; Foundation for the National Institutes of Health Sarcopenia Project operational criteria) into a stage- and setting-stratified algorithm. [...] Read more.
The aim of this review was to harmonize major consensus statements (European Working Group on Sarcopenia in Older People 2; Asian Working Group for Sarcopenia 2019; Foundation for the National Institutes of Health Sarcopenia Project operational criteria) into a stage- and setting-stratified algorithm. It maps diagnostic strata to dose-defined resistance and combined training, integrates multimodal and technology-enabled options (whole-body electrical muscle stimulation, whole-body vibration, virtual reality, AI-assisted telerehabilitation) with safety cues, and embeds nutrition (≥1.2 g/kg/day protein, vitamin D, key micronutrients) and education to sustain adherence. Sarcopenia is a consequential geriatric syndrome linked to falls, loss of independence, hospitalization, mortality, and psychosocial burden, yet translation to practice is hindered by heterogeneous definitions, diagnostics, and treatment guidance. Literature searches via PubMed/MEDLINE, EBSCO, SciELO, and Google Scholar (January 2000 to August 2025) yielded 354 records; after screening and deduplication, 132 peer-reviewed studies were included. We summarize tools for screening, strength, muscle mass, and function (e.g., Sarcopenia Five-Item Questionnaire, grip strength, dual-energy X-ray absorptiometry, gait speed) and identify resistance exercise as the cornerstone, with aerobic, balance, and flexibility training adding functional and metabolic benefits. Clinic-ready tables and figures operationalize a stepwise program across primary to severe sarcopenia and across acute or iatrogenic to community settings. Early screening plus structured, exercise-centered care, augmented by targeted nutrition and education, offers pragmatic, scalable benefits. Full article
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12 pages, 775 KB  
Article
Relationship Between Physical Activity and Autonomic Responses in Adults with Type 2 Diabetes
by Michela Persiani, Alessandra Laffi, Alessandro Piras, Andrea Meoni, Lucia Brodosi, Alba Nicastri, Maria Letizia Petroni and Milena Raffi
Int. J. Environ. Res. Public Health 2025, 22(11), 1702; https://doi.org/10.3390/ijerph22111702 - 11 Nov 2025
Cited by 1 | Viewed by 858
Abstract
Background: Cardiac autonomic dysfunction is a frequent complication of diabetes type 2 (T2DM). Heart rate variability (HRV) is a sensitive biomarker, but its relationship with habitual physical activity adjusted for metabolic and anthropometric factors remains underexplored. This study aimed to compare HRV indices [...] Read more.
Background: Cardiac autonomic dysfunction is a frequent complication of diabetes type 2 (T2DM). Heart rate variability (HRV) is a sensitive biomarker, but its relationship with habitual physical activity adjusted for metabolic and anthropometric factors remains underexplored. This study aimed to compare HRV indices between physically active and inactive adults with T2DM and assess the association between physical activity and clinical variables. Methods: In this cross-sectional observational study, 41 T2DM adults were classified as physically active (n = 22) or inactive (n = 19) using the short form of the International Physical Activity Questionnaire IPAQ-S. Resting HRV recordings were performed under standardized procedures. We analyzed the following time- and frequency-domain HRV indices: root mean square of successive heartbeat interval differences (RMSSD), standard deviation of normal-to-normal R-R intervals (SDNN), low-frequency (LF) and high-frequency (HF) power and their ratio (LF/HF). The analysis has been performed between-groups, and backward stepwise quantile regression examined the independent association of physical activity with HRV, adjusting for covariates. Results: Active participants exhibited higher HRV indices (SDNN p = 0.021; RMSSD p = 0.028; LF p = 0.032; HF p = 0.030), despite similar anthropometric and metabolic profiles. BMI correlated negatively with mean RR (ρ = −0.339, p = 0.030) and positively with mean HR (ρ = 0.339, p = 0.030). Physical activity was positively associated with LF (p = 0.015), and remained independently associated with SDNN (p = 0.021) and RMSSD (p = 0.048) after adjusting for HbA1c. Conclusions: Habitual physical activity was independently associated with enhanced autonomic modulation, with SDNN emerging as an early marker, supporting HRV as a biomarker for guiding exercise interventions in T2DM. Full article
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13 pages, 660 KB  
Article
Is Bioelectrical Impedance Vector Analysis (BIVA) a Useful Exploratory Tool to Assess Exercise-Induced Metabolic and Mechanical Responses in Endurance-Trained Male Trail Runners?
by Fabrizio Gravina-Cognetti, Javier Espasa-Labrador, Álex Cebrián-Ponce, Marta Carrasco-Marginet, Silvia Puigarnau, Diego Chaverri, Xavier Iglesias and Alfredo Irurtia
Appl. Sci. 2025, 15(19), 10768; https://doi.org/10.3390/app151910768 - 7 Oct 2025
Viewed by 1242
Abstract
This study tested whether classic and specific bioelectrical impedance vector analysis (BIVA) parameters could explain metabolic and mechanical performance in endurance-trained trail runners. Fifteen males (V˙O2max 61.04 ± 6.91 mL·kg−1·min−1) completed a 60-min treadmill [...] Read more.
This study tested whether classic and specific bioelectrical impedance vector analysis (BIVA) parameters could explain metabolic and mechanical performance in endurance-trained trail runners. Fifteen males (V˙O2max 61.04 ± 6.91 mL·kg−1·min−1) completed a 60-min treadmill protocol at 70% V˙O2max across randomized slopes (−7% to +7%), with continuous gas-exchange, heart-rate, and running-power recording; whole-body BIVA was obtained immediately pre- and post-exercise. Post-test, impedance and resistance increased (+2.73%, +2.84%), while reactance (Xc) and phase angle decreased (−2.36%, −4.91%); all were significant and mirrored by both classic and specific indices, consistent with acute fluid loss and altered cellular status. After Benjamini–Hochberg adjustment, baseline Xc/height correlated inversely with V˙CO2peak and V˙CO2mean, whereas exercise-induced changes in ΔXc/height and ΔXcspecific correlated positively with both metabolic variables and mean power. Stepwise regression retained ΔXc/h or ΔXcspecific as the only BIVA predictors for V˙CO2peak, V˙CO2mean, and mean power output, explaining ~31–36% and ~22–23% of the variance, respectively; classic and specific approaches performed similarly. No bioelectrical variable predicted V˙O2max. These preliminary findings suggest that acute reactance shifts may provide a modest yet sensitive, non-invasive index of exercise-induced physiological responses, warranting confirmation in larger and more diverse cohorts. Full article
(This article belongs to the Special Issue Advances in Sports Science and Biomechanics)
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12 pages, 1609 KB  
Article
Performance Asymmetry, the Risk for Ankle Sprain, and the Influence of an Intervention Program in New Male Infantry Recruits
by Michal Shenhar, Gali Dar, Aharon S. Finestone, Jeremy Witchalls, Gordon Waddington, Avi Shina and Nili Steinberg
J. Clin. Med. 2025, 14(19), 6887; https://doi.org/10.3390/jcm14196887 - 29 Sep 2025
Viewed by 1700
Abstract
Background: Functional performance interlimb asymmetry may increase the risk of ankle sprains during basic military training. We aimed to (1) evaluate interlimb balance, agility, and ankle instability asymmetry in soldiers in infantry training as a risk factor for acute ankle sprains; (2) [...] Read more.
Background: Functional performance interlimb asymmetry may increase the risk of ankle sprains during basic military training. We aimed to (1) evaluate interlimb balance, agility, and ankle instability asymmetry in soldiers in infantry training as a risk factor for acute ankle sprains; (2) evaluate the effect of ankle sprains and sprain prevention exercise program on performance asymmetry. Methods: Newly inducted infantry soldiers were recruited from two induction cycles (intervention [INT] n = 365, control [CON] n = 421). Participants were assessed at the beginning of infantry basic training (T0) and after four months (T1) for anthropometrics, balance, agility, and perceived ankle instability, and were monitored for ankle sprains (SPRAIN/NO-SPRAIN). The INT group performed an ankle sprain prevention program 5 days/week × 5 min/day. Results: at T0 there were differences in interlimb asymmetry in Cumberland Ankle Instability Tool (CAIT) in SPRAIN soldiers in both groups (p-value < 0.001), and differences between the groups in Hexagon, Y-Balance Test (YBT) and CAIT (p-values 0.007, 0.002, 0.002, respectively). There was a decrease in interlimb asymmetry in Hexagon and YBT for SPRAIN soldiers in the INT group, and an increase in CAIT asymmetry in SPRAIN soldiers in both groups. Stepwise logistic regression did not find predictors for ankle sprains during training. Conclusions: The intervention program reduced interlimb asymmetry in balance and agility for soldiers who sprained their ankle during training. In these soldiers, CAIT asymmetry increased during training regardless of the intervention. Ankle sprain intervention programs should be implemented to reduce interlimb asymmetries in functional abilities and reduce the risk of injury. Full article
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11 pages, 3102 KB  
Article
The Effect of Eccentric Cycling on Cerebral and Muscle Tissue Oxygenation in Patients with Pulmonary Hypertension and Healthy Individuals: A Randomized Controlled Crossover Trial
by Nico Sturzenegger, Simon R. Schneider, Michael Furian, Anna Titz, Esther I. Schwarz, Mona Lichtblau, Julian Müller and Silvia Ulrich
J. Clin. Med. 2025, 14(16), 5751; https://doi.org/10.3390/jcm14165751 - 14 Aug 2025
Viewed by 1035
Abstract
Background: Eccentric cycling exercise (ECC) offers a low-metabolic-demand approach to exercise, potentially making it valuable for patients with pulmonary vascular disease (PVD). The aim of this study was to investigate how quadriceps and frontal cortex oxygenation, assessed by near-infrared spectroscopy (NIRS), differs [...] Read more.
Background: Eccentric cycling exercise (ECC) offers a low-metabolic-demand approach to exercise, potentially making it valuable for patients with pulmonary vascular disease (PVD). The aim of this study was to investigate how quadriceps and frontal cortex oxygenation, assessed by near-infrared spectroscopy (NIRS), differs during ECC compared to concentric cycling exercise (CON) in patients with PVD and in healthy individuals. Methods: This randomized controlled crossover trial involved patients with PVD, defined as either pulmonary arterial hypertension (PAH) or chronic thromboembolic pulmonary hypertension (CTEPH), and healthy volunteers. Participants performed both CON and ECC at identical submaximal work rates, following a stepwise incremental protocol. NIRS was used to continuously monitor tissue oxygenation and surrogates for blood volume changes in the quadriceps and frontal cortex. Results: A total of 57 participants were included, 33 PVD patients (19 with PAH and 14 with CTEPH; 13 women; mean age: 50 ± 15 years) and 24 healthy volunteers (14 women; 50 ± 14 years). In PVD patients, at end-exercise, cerebral tissue oxygenation (CTO) was significantly higher during ECC compared to CON (6.10%; 95% CI: 1.85 to 10.42; p < 0.01), whereas muscle tissue oxygenation (MTO) was similar. In healthy individuals, at end-exercise, CTO was similar during ECC and CON, whereas MTO was significantly higher (2.60%; 95% CI: 0.03 to 5.17; p = 0.047). There were no significant differences in CTO and MTO between patients with PVD and healthy individuals. Discussion: In this randomized controlled crossover trial, patients with PVD exhibited higher CTO during ECC compared to CON, which may indicate altered cerebral oxygen extraction and hemodynamic responses potentially related to impaired vascular function. In contrast, healthy individuals demonstrated higher MTO during ECC, likely reflecting improved muscular oxygen utilization and efficiency due to the mechanical and metabolic characteristics of eccentric exercise. Full article
(This article belongs to the Special Issue Clinical Insights into Pulmonary Hypertension)
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27 pages, 3015 KB  
Article
Preparation of Auricularia auricula-Derived Immune Modulators and Alleviation of Cyclophosphamide-Induced Immune Suppression and Intestinal Microbiota Dysbiosis in Mice
by Ming Zhao, Huiyan Huang, Bowen Li, Yu Pan, Chuankai Wang, Wanjia Du, Wenliang Wang, Yansheng Wang, Xue Mao and Xianghui Kong
Life 2025, 15(8), 1236; https://doi.org/10.3390/life15081236 - 4 Aug 2025
Cited by 2 | Viewed by 2028
Abstract
With the acceleration of the pace of life, increased stress levels, and changes in lifestyle factors such as diet and exercise, the incidence of diseases such as cancer and immunodeficiency has been on the rise, which is closely associated with the impaired antioxidant [...] Read more.
With the acceleration of the pace of life, increased stress levels, and changes in lifestyle factors such as diet and exercise, the incidence of diseases such as cancer and immunodeficiency has been on the rise, which is closely associated with the impaired antioxidant capacity of the body. Polypeptides and polysaccharides derived from edible fungi demonstrate significant strong antioxidant activity and immunomodulatory effects. Auricularia auricula, the second most cultivated mushroom in China, is not only nutritionally rich but also offers considerable health benefits. In particular, its polysaccharides have been widely recognized for their immunomodulatory activities, while its abundant protein content holds great promise as a raw material for developing immunomodulatory peptides. To meet the demand for high-value utilization of Auricularia auricula resources, this study developed a key technology for the stepwise extraction of polypeptides (AAPP1) and polysaccharides (AAPS3) using a composite enzymatic hydrolysis process. Their antioxidant and immunomodulatory effects were assessed using cyclophosphamide (CTX)-induced immune-suppressed mice. The results showed that both AAPP1 and AAPS3 significantly reversed CTX-induced decreases in thymus and spleen indices (p < 0.05); upregulated serum levels of cytokines (e.g., IL-4, TNF-α) and immunoglobulins (e.g., IgA, IgG); enhanced the activities of hepatic antioxidant enzymes SOD and CAT (p < 0.05); and reduced the content of MDA, a marker of oxidative damage. Intestinal microbiota analysis revealed that these compounds restored CTX-induced reductions in microbial α-diversity, increased the abundance of beneficial bacteria (Paramuribaculum, Prevotella; p < 0.05), decreased the proportion of pro-inflammatory Duncaniella, and reshaped the balance of the Bacteroidota/Firmicutes phyla. This study represents the first instance of synergistic extraction of polypeptides and polysaccharides from Auricularia auricula using a single process. It demonstrates their immune-enhancing effects through multiple mechanisms, including “antioxidation-immune organ repair-intestinal microbiota regulation.” The findings offer a theoretical and technical foundation for the deep processing of Auricularia auricula and the development of functional foods. Full article
(This article belongs to the Special Issue Research Progress of Cultivation of Edible Fungi: 2nd Edition)
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16 pages, 1503 KB  
Study Protocol
Effect of a Peripheral Neuromodulation Protocol Combined with the Application of Therapeutic Exercise in Patients Diagnosed with Urinary Incontinence—A Study Protocol for a Randomized Controlled Trial
by Jesica Leal-García, Paula Blanco-Giménez, Eloy Jaenada-Carrillero, Marta Martínez-Soler, Borja Huertas-Ramírez, Alex Mahiques-Sanchis and Juan Vicente-Mampel
Healthcare 2025, 13(14), 1759; https://doi.org/10.3390/healthcare13141759 - 21 Jul 2025
Viewed by 2665
Abstract
Introduction: Overactive bladder (OAB) and urinary incontinence (UI) are prevalent, particularly in older adults, and affect quality of life. OAB involves urgency, frequency, nocturia, and urgency incontinence, often linked to involuntary detrusor contractions. Treatment guidelines recommend a stepwise approach, starting with pelvic floor [...] Read more.
Introduction: Overactive bladder (OAB) and urinary incontinence (UI) are prevalent, particularly in older adults, and affect quality of life. OAB involves urgency, frequency, nocturia, and urgency incontinence, often linked to involuntary detrusor contractions. Treatment guidelines recommend a stepwise approach, starting with pelvic floor muscle training (PFMT), followed by pharmacological or minimally invasive therapies, such as neuromodulation. However, the combined effects of PFMT and neuromodulation have not been well established. This study aimed to evaluate the impact of combining pelvic floor exercises with neuromodulation versus PFMT with sham neuromodulation or standard physiotherapy after a 12-week intervention in individuals with OAB and UI. Methods/Materials: A double-blind, randomized controlled trial was designed with three groups: PFMT + neuromodulation, PFMT + sham, and conventional physiotherapy (control) in a 1:1:1 ratio. This study followed the CONSORT guidelines and was registered at ClinicalTrials.gov (NCT06783374). The sample size was calculated using GPower® software, assuming a Cohen’s effect size of 1.04, a power of 0.80, an alpha of 0.05, and a 15% dropout rate, totaling 63 participants (21 per group). Participants attended 24 sessions over 12 weeks (2 sessions per week). The interventions were based on previously validated protocols. Outcomes: The primary outcomes included health-related quality of life, pelvic floor muscle function, pain, adherence, and general health. The secondary outcomes included Incontinence Quality of Life questionnaire, 3-day bladder diary, International Consultation on Incontinence Questionnaire–Urinary Incontinence Short Form, kinesiophobia, and electromyographic data. Full article
(This article belongs to the Special Issue Pelvic Floor Health and Care)
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12 pages, 607 KB  
Article
Comparative Recovery After Acute Lower-Limb Wounds Treated with Negative-Pressure Wound Therapy and Three Gradations of Manual Rehabilitation
by Cristina-Teodora Stanciu, Milan Daniel Velimirovici, Dinu Vermesan, Ciprian Nicolae Pilut, Loredana Stana, Felix Bratosin, Daniel Laurentiu Pop and Bogdan Hogea
Healthcare 2025, 13(13), 1496; https://doi.org/10.3390/healthcare13131496 - 23 Jun 2025
Cited by 1 | Viewed by 1064
Abstract
Background and Objectives: Negative-pressure wound therapy (NPWT) expedites tissue repair, yet functional recovery depends on adjunct rehabilitation. Evidence from high-resource settings is difficult to translate to Romanian county hospitals, where advanced devices are scarce. The objective of this study is to determine whether [...] Read more.
Background and Objectives: Negative-pressure wound therapy (NPWT) expedites tissue repair, yet functional recovery depends on adjunct rehabilitation. Evidence from high-resource settings is difficult to translate to Romanian county hospitals, where advanced devices are scarce. The objective of this study is to determine whether two tiers of low-technology, therapist-delivered exercise improve mobility, oedema resolution, pain and quality-of-life (QoL) beyond NPWT alone in adults with acute lower-limb wounds. Methods: A single-centre, prospective observational study (January 2021–June 2024) enrolled 92 patients and randomised them unevenly into: Group A, NPWT only (n = 39); Group B, NPWT + routine physiotherapy (n = 33); Group C, NPWT + enhanced manual programme (n = 20). All received −125 mmHg continuous suction; rehabilitation started 48 h post-operation. Primary outcomes were ankle dorsiflexion and knee flexion at 12 weeks. Secondary outcomes included calf circumference, ultrasound oedema depth, Manual Muscle Testing (MMT), pain (VAS), analgesic use and SF-36 domains through 24 weeks. Results: Baseline characteristics were similar (p > 0.40). At 12 weeks dorsiflexion reached 20.1 ± 1.8° in Group C, surpassing Group B (18.4 ± 2.1°; p = 0.004) and Group A (16.0 ± 2.3°; p < 0.001). Knee flexion followed the same gradient (140.8 ± 3.2°, 137.6 ± 3.4°, 133.4 ± 3.8° respectively). Oedema depth fell fastest in Group C (0.4 ± 0.2 mm by day 42) versus B (0.6 ± 0.2 mm) and A (0.8 ± 0.3 mm). Week-12 MMT grade ≥ 4.5 was attained by 95% of Group C, 85% of B and 72% of A (χ2 = 10.9, p = 0.004). VAS pain fell more steeply with each rehabilitation layer, paralleled by a stepwise decline in daily tramadol. All SF-36 domains were highest in Group C at 24 weeks (Physical Function 88.7 ± 4.8 vs. 85.1 ± 5.4 vs. 78.2 ± 5.9; p < 0.001). Mobility correlated positively with QoL (r = 0.66) and inversely with pain and oedema. Conclusions: In a resource-constrained Romanian setting, adding structured manual physiotherapy to NPWT produced meaningful functional and patient-centred gains, while an “enhanced” programme incorporating daily PNF and elastic-band strengthening delivered the largest observed benefit. These findings justify prioritising therapist-led interventions even where sophisticated equipment is unavailable. Full article
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