1,225 Results Found

Accurate assessment of aerobic fitness is crucial in soccer; however, the validity of field-based predictive tests remains uncertain in professional players. This study examined the relationship between directly measured and estimated maximal oxygen...

Background: Exercise duration at maximum oxygen uptake ($\dot{\mathrm{V}}$O₂max) appears to be influenced not only by metabolic factors but also by the interplay between brain dynamics and ventilatory regulation. This study examined how cortical activity, asses...

Computer simulations using a dynamic model of the skeletal muscle bioenergetic system, involving the P_i-double-threshold mechanism of muscle fatigue, demonstrate that the training-induced increase in $\stackrel{·}{\mathrm{V}}$O_2max, increase in critical power (C...

Lack of time is seen as a barrier to maintaining a physically active lifestyle. In this sense, interval training has been suggested as a time-efficient strategy for improving health, mainly due to its potential to increase cardiorespiratory fitness....

This study was designed to determine the optimal intensity for verification phase testing (VP) in healthy, young adults. Thirty one young, active participants (16 females) completed a cycle ergometer graded exercise test (GXT) VO_2max test and 4 VP te...

Until recently, it was thought that maximal oxygen uptake (VO_2max) was elicited only in middle-distance events and not the sprint or marathon distances. We tested the hypothesis that VO_2max can be elicited in both the sprint and marathon distances an...

Due to limited accessibility, direct measurement of VO₂max is rarely performed in clinical settings or sports centers. As a result, regression equations have been developed and are currently used during exercise tests to provide an indirect estimatio...

The aim of this systematic review and meta-analysis was to evaluate the association between glycemic control (HbA_1c) and functional capacity (VO_2max) in individuals with type 1 diabetes (T1DM). A systematic literature search was conducted in EMBASE,...

Aerobic capacity is crucial for the performance of soccer players; however, the relationship between VO_2max and the running performance of soccer players with visual impairment is not known. Possibly finding relationships would help in the training p...

Background/Objectives: Recent technological advancements enable smartwatches to measure running distance and heart rate using wearable sensors. This study aimed to analyze the validity of the 12 min Cooper test using a smartwatch and to develop an ac...

Background: Accurate assessment of aerobic capacity is essential for performance monitoring in masters athletes, particularly in high-intensity team sports. The objective of this study was to evaluate the validity and agreement of three indirect maxi...

Background: Identifying factors affecting heart health in amateur athletes can significantly impact their health and help them achieve high performance. The current knowledge of these predictors is insufficient. The purpose of this study was to ident...

Maximal aerobic capacity (VO_2max) is a well-established predictor of cardiovascular health, morbidity, and all-cause mortality. While many systematic reviews and meta-analyses have characterized the effects of aerobic exercise training on VO_2max, the...

Assessing maximal oxygen uptake (VO₂ max) is generally considered safe when performed properly for most adolescents; however, for adolescents with type 1 diabetes mellitus (T1DM), monitoring glucose levels before and after exercise is critical to mai...

This paper investigated the effects over time of different forms of neuromuscular training on hemodynamic responses, the estimated VO_2max, and walking performance. 105 older adults were randomly organized into three groups: RG_A, RG_B, and the Control...

The purpose of the study was to assess the impact of training on the physiological variables achieved during the test effort in the macrocycle of road cyclists and their use in the maximal oxygen uptake (VO₂max) prediction at individual training stag...

A cardiopulmonary exercise test (CPET) is essential for lung resection. However, performing a CPET can be challenging. This study aimed to develop a machine learning model to estimate maximal oxygen consumption (VO_2max) using data collected through a...

Triathlon has become increasingly popular in recent years. In this discipline, maximum oxygen consumption (VO₂max) is considered the gold standard for determining competition cardiovascular capacity. However, the emergence of wearable sensors (as Str...

Background/Objectives: To develop and internally validate multiple linear regression models to predict estimated VO2max from anthropometric variables and easily obtainable physical fitness tests in active university students and to compare model perf...

Cardiorespiratory fitness is a key indicator of overall health, yet its assessment still largely depends on structured protocols such as cardiopulmonary exercise testing (CPET), which require specialized equipment, trained personnel, and controlled l...

We aimed to compare the effects of a personalized short-term high-intensity interval training (HIIT) vs. standard moderate intensity continuous training (MICT) on body fat percentage, abdominal circumference, BMI and maximal oxygen uptake (VO_2max) in...

Background: The aim of this study is to use different regression models to capture the association between cardiorespiratory fitness VO₂max (measured in mL/kg/min) and somatometric characteristics and sports activities and making better predictions....

Ankle sprains are considered to be the most common musculoskeletal lower limb injury, accounting for a high percentage of all sport injuries in football. Motor imagery (MI) has been widely used for sports performance optimization purposes, suggesting...

This study aimed to investigate the test–retest reliability, mean, and individual responses in the measurement of maximal oxygen consumption ($\dot{\mathrm{V}}$O_2max) during a cardiopulmonary exercise test (CPET) and the verification phase during cycle er...

Aerobic exercise capacity, best quantified by maximal oxygen uptake (VO_2max), varies between individuals and is dependent on cardiac output (CO) and oxygen uptake in the periphery (a-vO₂ diff). Environmental stressors like hypoxia, microgravity, and...

This study aims to determine whether maximal oxygen consumption (VO2max) or predicted postoperative (ppo)-VO2max could still reliably predict postoperative complications and deaths in lung cancer patients undergoing pneumonectomy and which values cou...

Background: The value of maximal oxygen uptake (VO_2MAX) is a key health indicator. Usually, VO_2MAX is determined with cardiopulmonary exercise testing (CPET), which is cumbersome and time-consuming, making it impractical in many testing scenarios. Th...

The verification phase (VP) has been proposed as an alternative to the traditional criteria used for the determination of the maximum oxygen uptake (VO₂ max) in several populations. Nonetheless, its validity in patients with heart failure with reduce...

Maximal oxygen uptake (VO₂max) is strongly associated with endurance performance as well as health risk. Despite the fact that VO₂max has been measured in exercise physiology for over a century, robust procedures to ensure that VO₂max is attained at...

The present study aimed to determine the effect of high intensity interval training (HIIT) in hypoxia on maximal oxygen uptake (VO_2max) compared with HIIT in normoxia with a Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA)-...

The aim of the present study was to assess the validity of verification phase (VP) testing and a 3 min all-out test to determine critical power (CP) in males with obesity. Nine young adult males with a body mass index (BMI) ≥ 30 kg·m⁻² completed a cy...

Background: We aimed to determine if maximal oxygen uptake ($\dot{\mathrm{V}}$O₂max), resting heart rate (RHR), and self-reported leisure- time moderate to vigorous physical activity (MVPA) changed over a 3-year follow-up (FU) among industrial workers. Methods:...

Maximal oxygen uptake (VO_2max) and critical speed (CS) are key fatigue-related measurements that demonstrate a relationship to one another and are indicative of athletic endurance performance. This is especially true for those that participate in com...

The purpose of this study was to compare the validity of three submaximal exercise tests (SMETs) and develop practical predictive models for the VO2max in Korean adults. A total of 541 (287 males and 254 females) adults participated in this study. Th...

The aim of this study was to investigate the association between cardiorespiratory fitness and gut microbiota composition in premenopausal women. The participants consisted of 71 premenopausal Finnish women (aged 19–49 years). Gut microbiota were ana...

This study investigated the cardiac functional and the morphological adaptations because of two endurance training protocols. Untrained children (N = 30, age: 12–14 years) were divided into three groups (N = 10/group). The first group did not p...

We investigated the effects of a functional breathing program on the aerobic performance of recreational runners. Runners participated in an aerobic endurance training program with functional breathing (FBP; n = 8, 34.8 ± 5.1 yrs, 25.3 ±...

Cardiorespiratory fitness (CRF) is an important indicator of adolescent cardiovascular well-being and future cardiometabolic health but not always feasible to measure. The purpose of this study was to estimate the concurrent validity of the non-exerc...

Sex differences in triathlon performance have been decreasing in recent decades and little information is available to explain it. Thirty-nine male and eighteen female amateur triathletes were evaluated for fat mass, lean mass, maximal oxygen uptake...

The aim was to assess the impact of high-intensity interval training (HIIT) on patients with musculoskeletal disorders. We conducted a search of Medline, Embase, PEDro, and Google Scholar. We conducted a meta-analysis to determine the effectiveness o...

Background: Impaired fat oxidation is linked to cardiometabolic risk. Maximal fat oxidation rate (MFO) reflects metabolic flexibility and is influenced by lean mass, muscle strength, muscle quality – defined as the ratio of strength to mass – and car...

Aims: The present study aimed to assess the ability of bioelectrical impedance vector analysis (BIVA) in discriminating fitness levels in futsal players, exploring the association of body composition and bioelectrical parameters with aerobic power. M...

Obesity is defined as abnormal or excessive fat accumulation that presents a risk to health. The ability to exercise is affected by adiposity, and this mechanism involves low-grade chronic inflammation and homeostatic stress produced mainly in adipoc...

High-intensity training (HIT) has commonly been the most effective training method for improvement in maximal oxygen uptake (VO_2max) and work economy, alongside a substantial volume of low-intensity training (LIT). The polarized training model combin...

Aim: Maximum oxygen uptake (VO₂max), running economy, and lactate threshold (LT) velocity are interacting factors which determine the running speed that that can be sustained in an endurance event such as Athens marathon. The aim of this study was to...

Traditional VO_2max testing methods are often impractical for manual wheelchair users, as they rely on lower-body exercise protocols, require specialized equipment, and trained personnel. The 6-Minute Push Test (6MPT) is a widely used cardiovascular a...

Cycling is a popular sport, and evaluation of the validity of tests to predict performance in competitions is important for athletes and coaches. Similarity between performance in sprints in mass-start bike races and in the laboratory is found, but,...

Cardiac deaths account for the largest share of on-duty firefighter deaths. To help ensure duty fitness and minimize injury risk, many fire departments require the passing of an annual physical ability test, consisting of a battery of simulated fire...

Background: Although several equations for predicting VO_2max in children and adolescents have been reported, the validity of application of these equations to the Korean population has not been verified. The purpose of study was to develop and valida...

Cardiorespiratory fitness (CRF) is a core element of healthy physical fitness. Foreign attention to CRF in adolescents at different altitudes is high, while less research has been conducted on Chinese adolescents. In order to compare the CRF of Chine...