Effects of elastic resistance exercise on body composition and physical capacity in older women with sarcopenic obesity

Chun De Liao, Jau Yih Tsauo, Li Fong Lin, Shih Wei Huang, Jan Wen Ku, Lin Chuan Chou, Tsan Hon Liou

Research output: Contribution to journalArticle

  • 2 Citations

Abstract

Background: Sarcopenia is associated with loss of muscle mass and an increased risk of physical disability in elderly people. However, the prevalence of sarcopenia has increased in obese elderly populations. The purpose of this study was to identify the clinical efficacy of elastic resistance exercise training (RET) in patients with sarcopenic obesity. Methods: This study was conducted at the rehabilitation center of a university-based teaching hospital and was designed as a prospective and randomized controlled trial with an intention-to-treat analysis. A total of 46 women aged 67.3 (5.2) years were randomly assigned to an experimental group (EG) and control group (CG). The EG underwent elastic RET for 12 weeks, and the CG received no RET intervention. All outcome measures were assessed at the baseline and posttest, including body composition measured using dual-energy X-ray absorptiometry, muscle quality (MQ) defined as a ratio of muscular strength to muscle mass, and physical capacity assessed using functional mobility tests. One-way analysis of covariance and Pearson correlation were used to compare outcomes between the 2 groups and to identify the relationship between changes in body composition and physical outcomes, respectively. A chi-square test was performed to identify differences in qualitative data between the 2 groups. Results: At the posttest, a significant between-group difference was observed in fat-free mass, MQ, and physical capacity (all P<.05); and a significant correlation was found between leg-lean-mass change and gait speed (r=0.36; P<.05). After 12 weeks of elastic RET intervention, the EG had significantly fewer patients exhibiting sarcopenia (P<.05) and experiencing physical difficulty (P<.001) than the CG. Conclusion: The present data suggest that elastic resistance exercise exerted benefits on the body composition, MQ, and physical function in patients with sarcopenic obesity. Regular exercise incorporating elastic RET should be used to attenuate muscle mass loss and prevent physical difficulty in obese older adults with sarcopenia on reconditioning therapy. Trial Registration: Chinese Clinical Trial Registry, ChiCTR-IPR-15006069.

LanguageEnglish
Article numbere7115
JournalMedicine (United States)
Volume96
Issue number23
DOIs
StatePublished - Jun 1 2017

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Body Composition
Resistance Training
Sarcopenia
Obesity
Exercise
Muscles
Control Groups
Rehabilitation Centers
Intention to Treat Analysis
Photon Absorptiometry
Muscle Strength
Chi-Square Distribution
Teaching Hospitals
Registries
Leg
Randomized Controlled Trials
Fats
Outcome Assessment (Health Care)
Clinical Trials
Population

Keywords

  • body composition
  • elastic resistance training
  • muscle quality
  • physical mobility
  • sarcopenic obesity

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Effects of elastic resistance exercise on body composition and physical capacity in older women with sarcopenic obesity. / Liao, Chun De; Tsauo, Jau Yih; Lin, Li Fong; Huang, Shih Wei; Ku, Jan Wen; Chou, Lin Chuan; Liou, Tsan Hon.

In: Medicine (United States), Vol. 96, No. 23, e7115, 01.06.2017.

Research output: Contribution to journalArticle

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abstract = "Background: Sarcopenia is associated with loss of muscle mass and an increased risk of physical disability in elderly people. However, the prevalence of sarcopenia has increased in obese elderly populations. The purpose of this study was to identify the clinical efficacy of elastic resistance exercise training (RET) in patients with sarcopenic obesity. Methods: This study was conducted at the rehabilitation center of a university-based teaching hospital and was designed as a prospective and randomized controlled trial with an intention-to-treat analysis. A total of 46 women aged 67.3 (5.2) years were randomly assigned to an experimental group (EG) and control group (CG). The EG underwent elastic RET for 12 weeks, and the CG received no RET intervention. All outcome measures were assessed at the baseline and posttest, including body composition measured using dual-energy X-ray absorptiometry, muscle quality (MQ) defined as a ratio of muscular strength to muscle mass, and physical capacity assessed using functional mobility tests. One-way analysis of covariance and Pearson correlation were used to compare outcomes between the 2 groups and to identify the relationship between changes in body composition and physical outcomes, respectively. A chi-square test was performed to identify differences in qualitative data between the 2 groups. Results: At the posttest, a significant between-group difference was observed in fat-free mass, MQ, and physical capacity (all P<.05); and a significant correlation was found between leg-lean-mass change and gait speed (r=0.36; P<.05). After 12 weeks of elastic RET intervention, the EG had significantly fewer patients exhibiting sarcopenia (P<.05) and experiencing physical difficulty (P<.001) than the CG. Conclusion: The present data suggest that elastic resistance exercise exerted benefits on the body composition, MQ, and physical function in patients with sarcopenic obesity. Regular exercise incorporating elastic RET should be used to attenuate muscle mass loss and prevent physical difficulty in obese older adults with sarcopenia on reconditioning therapy. Trial Registration: Chinese Clinical Trial Registry, ChiCTR-IPR-15006069.",
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AU - Ku,Jan Wen

AU - Chou,Lin Chuan

AU - Liou,Tsan Hon

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