Building muscle strength enhances cognitive function in older adults
A study published in the Journal of the American Geriatrics Society demonstrated that high-intensity resistance training (PRT) significantly improves both cognitive function and physical strength in older adults with mild cognitive impairment. While both aerobic capacity and strength increased after training, only strength gains were directly associated with cognitive improvements, particularly in the Alzheimer’s Disease Assessment Scale. This suggests that building muscle strength, rather than aerobic fitness alone, plays a key role in enhancing cognitive health in aging individuals.
https://pubmed.ncbi.nlm.nih.gov/28304092/
Researchers at the University of Sydney have found that high-intensity resistance training not only increases muscle strength and aerobic capacity but also enhances cognitive function. In a study involving participants aged 55 and older with mild cognitive impairment, short, progressively challenging resistance exercises (2-3 times per week for six months) resulted in improved muscle strength, VO2Max, and cognitive benefits. The cognitive gains were most strongly linked to muscle growth rather than aerobic improvements. Further studies are expected to explore the physiological mechanisms behind this relationship. For now, short, intense workouts (e.g., weightlifting) appear more effective than longer, moderate activities (e.g., walking or running) for brain health and cognitive decline prevention.
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