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Nutrients
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Physical Activity and Nutritional Supplements for the Elderly
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Physical Activity and Nutritional Supplements for the Elderly

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Geriatric Nutrition".

Deadline for manuscript submissions: 5 July 2025 | Viewed by 744

Special Issue Editor

Dr. Xiaomin Sun

E-Mail Website
Guest Editor
1. Global Health Institute, Xi'an Jiaotong University Health Science Center, Xi'an, China
2. Department of Nutrition and Food Safety Research, School of Public Health, Xi'an Jiaotong University, Xi'an, China
Interests: physical activity; sport nutrients; metabolomics; diabetes; insulin resistance
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Maintaining physical activity and a balanced diet is crucial for the health and well-being of the elderly. Regular physical activity improves cardiovascular health, enhances muscle strength, increases flexibility, and helps maintain a healthy weight. Activities such as walking, swimming, yoga, and strength training contribute to better physical and mental health, reducing the risk of chronic diseases like heart disease, diabetes, and arthritis.

In addition to physical activity, nutritional supplements play a significant role in supporting the health of older adults. As people age, their bodies may require additional vitamins and minerals to address dietary deficiencies or changes in metabolism. Combining regular physical activity with appropriate nutritional supplements can enhance quality of life and reduce the risk of age-related health issues.

I invite you to publish original research papers and reviews on the current understanding of the health effects and value of physical activity and nutritional supplements. This Special Issue will significantly enhance our knowledge of aging and health.

Dr. Xiaomin Sun
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nutrients is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • physical activity
  • nutrition
  • aging population
  • muscle performance
  • age-associated physical decline

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Published Papers (1 paper)

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Research

14 pages, 489 KiB  
Article
Reliability and Clinical Validity of the SARC-Global Questionnaire for Sarcopenia and Sarcopenic Obesity in Spanish Older Adults
by Juan Manuel Guardia-Baena, María del Carmen Carcelén-Fraile, Fidel Hita-Contreras, Agustín Aibar-Almazán, María de los Ángeles Arévalo-Ruíz, María Aurora Mesas-Aróstegui and Raquel Fábrega-Cuadros
Nutrients 2025, 17(7), 1206; https://doi.org/10.3390/nu17071206 - 29 Mar 2025
Viewed by 398
Abstract
Background/Objectives: Sarcopenia and sarcopenic obesity (SO) are related to an increased risk of adverse outcomes. The objective of this study was to assess the internal and clinical validation of the Spanish version of the SARC-Global questionnaire, a sarcopenia risk screening tool, and its [...] Read more.
Background/Objectives: Sarcopenia and sarcopenic obesity (SO) are related to an increased risk of adverse outcomes. The objective of this study was to assess the internal and clinical validation of the Spanish version of the SARC-Global questionnaire, a sarcopenia risk screening tool, and its ability to detect sarcopenia, severe sarcopenia, and SO in adults aged ≥ 60 years. Methods: A total of 167 participants (73.22 ± 6.70 years, 71.26% women) completed the study. First, reliability was assessed by the inter-rater and the test–retest analyses. For the clinical validation, the risk of sarcopenia (SARC-Global) was compared to sarcopenia diagnosed using three operational definitions. The SARC-Global’s ability to detect severe sarcopenia (SS) and sarcopenic obesity assessed with body mass index (SO-BMI) and body fat percentage (SO-BFP), considering nutritional status and physical activity level, was also analyzed. Results: The Spanish SARC-Global questionnaire showed a substantial to excellent inter-rater and test–retest reliability. Regarding the clinical validation, sensitivity/specificity values to detect cases of sarcopenia were 85.71%/64.38% (EWGSOP2), 83.33%/65.81% (FNIH), and 54.55%/63.46% (AWGS-2019). Diagnostic accuracy ranged from 67.07% (FNIH) to 62.87% (AWGS-2019). The analysis also indicated that SARC-Global cutoff of 13.5 was the optimal score for severe sarcopenia (100.00% sensitivity and 80.49% specificity), SO-BMI (100% sensitivity and 80.49% specificity), and SO-PBF (80.00% sensitivity and 80.86% specificity). Conclusions: The Spanish version of the SARC-Global questionnaire is a reliable and clinically valid instrument for identifying people at the risk of sarcopenia, severe sarcopenia, and sarcopenic obesity in Spanish older adults. Full article
(This article belongs to the Special Issue Physical Activity and Nutritional Supplements for the Elderly)
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