Research
Adherence
Physical activity, specifically aerobic exercise, can restore the sensitivity of aging muscle to insulin and protein stimuli, counteracting the age-related blunting of muscle protein synthesis.
To get the most out of your protein, try adding a 45-minute walk to your routine, especially the evening before or on days when you are focusing on muscle maintenance. This simple activity can help your muscles respond better to the protein you eat.
GoodSupportsHIGH confidence
Fortunately, a modest bout of physical activity may be able to sensitize ageing muscle to subsequent nutritional stimuli. We have recently shown that 45 min of treadmill walking in older individuals, the evening prior to an hyperinsulinemic–euglycemic clamp, restores the ability of insulin to stimulate muscle protein synthesis [4].
Why this rating
Supported by specific studies (Fujita et al.) showing restoration of signaling.
Source
Dietary protein recommendations and the prevention of sarcopenia
Douglas Paddon‐Jones et al. · Current Opinion in Clinical Nutrition & Metabolic Care · 2008
DOI 10.1097/mco.0b013e32831cef8b
narrative_reviewCited 815×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Ingesting 25–30 g of high-quality protein per meal maximally stimulates muscle protein synthesis in both young and older adults, whereas doses below ~20 g are insufficient to trigger this response in the elderly.Good
- Supplementing mixed nutrient meals with leucine can restore or enhance muscle protein synthesis in older adults, counteracting the age-related blunting of the anabolic response.Good
Related findings · Adherence
- Regular physical activity (at least 150 minutes/week of moderate-intensity) reduces all-cause and cardiovascular mortality by 20-30% and lowers the risk of type 2 diabetes by 25-35%.Strong
- Increasing physical activity from a sedentary lifestyle to an active one in middle adulthood significantly reduces the risk of coronary events compared to remaining sedentary.Strong
- Resistance exercise is the only intervention capable of consistently restoring muscle function and strength in sarcopenia, partially overcoming age-related anabolic resistance.Strong
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