Grip Strength Predicts Women's Longevity

- Grip strength is a strong predictor of all-cause mortality; one study found that a 5kg (11-pound) decrease in grip strength was associated with a 16% higher risk of death from any cause. It has been shown to be a more effective predictor of mortality risk than systolic blood pressure. - The age-related loss of muscle mass and function is a condition called sarcopenia, which can begin as early as one's 30s and accelerates after 50. After the age of 75, women can lose muscle mass at a rate of 0.64–0.70% per year, and strength is lost even more rapidly. - Grip strength is typically measured with a handheld dynamometer, which a person squeezes to record the maximum force exerted. For women in their 30s, an average grip strength is around 25 to 30 kg (55 to 66 pounds). - Menopause accelerates bone loss due to a decrease in estrogen, increasing the risk for osteoporosis, a condition where bones become weak and brittle. Strength training places stress on bones, which stimulates the production of new bone tissue and can help improve bone density. - Beyond bone and muscle health, strength training offers cardiovascular benefits by helping to lower blood pressure and improve cholesterol levels. It also aids in blood sugar regulation by improving insulin sensitivity and helping the body use glucose more efficiently. - Regular strength training can also enhance mental and cognitive health. Exercise releases endorphins, which can improve mood and reduce symptoms of anxiety and depression. - While weight-bearing exercises are crucial, a combination of endurance and strength training is considered most effective for preserving bone mineral density in the lumbar spine and femoral neck in postmenopausal women. - Sarcopenia is associated with a higher risk of falls, fractures, physical disability, and mortality in older adults. The presence of both sarcopenia and obesity, known as sarcopenic obesity, may have an even more significant effect on cardiovascular disease and mortality.