Abstract
Background: Sarcopenia, the age-related loss of skeletal muscle mass and function, represents a crucial risk factor for disability and mortality. Increasing intake of some nutrients, particularly protein and omega-3 fatty acids seems to be a promising strategy to augment muscle mass and function.Objective: The purpose of this study was to assess the beneficial effects of fish consumption on muscle mass and function among middle-age and older adults.Methods: Twenty-two adults aged 50–85 years participated in this study. Participants were asked to consume 150–170-g of fish for lunch twice a week for a 10-week period. During that period, participants were asked to maintain their normal diet and physical activity. Outcome measures included anthropometry, muscle mass, and muscle function. All these measures were assessed at baseline, week 5, and week 10. Repeated-measures analysis of variance was used to analyze statistical significance.Results: Consuming fish twice a week for 10 weeks significantly increased the skeletal muscle mass and appendicular lean mass divided by height squared (ALM/h2) (p < 0.01). Handgrip strength and gait speed <0.8 m/s were also improved (p < 0.01) at week 10 compared with that at baseline.Discussion: Consuming fish seems to improve muscle mass and function and may slow sarcopenia progression in middle-age and older adults.
Highlights
The global population aged 60 years and above is growing faster than all younger age groups
The term “sarcopenia” was first defined as an age-related syndrome characterized by a progressive loss of skeletal muscle mass (SMM) [3]
Our findings demonstrated that consuming fish twice a week for 5 and 10 weeks significantly enhanced the SMM, ALM/h2, and gait speed < 0.8 m/s compared with those at baseline
Summary
The global population aged 60 years and above is growing faster than all younger age groups. Population aging is projected to have profound impacts on societies, underscoring the economic consequences that the healthcare sector is likely to face in many countries. The term “sarcopenia” was first defined as an age-related syndrome characterized by a progressive loss of skeletal muscle mass (SMM) [3]. Various expert groups from around the world have published consensus definitions and recommended using the presence. Sarcopenia, the age-related loss of skeletal muscle mass and function, represents a crucial risk factor for disability and mortality. Increasing intake of some nutrients, protein and omega-3 fatty acids seems to be a promising strategy to augment muscle mass and function
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