Sarcopenia

Definition

Sarcopenia is the age-related loss of muscle mass, strength, and function. It significantly impacts mobility and overall health in older adults, often leading to increased risk of falls and frailty.

5 Must Know Facts For Your Next Test

1. Sarcopenia typically begins after the age of 30, with muscle mass declining by approximately 3-8% per decade.
2. Adequate protein intake and resistance training are crucial for preventing or slowing the progression of sarcopenia.
3. Vitamin D deficiency has been linked to decreased muscle function and increased risk of sarcopenia.
4. Chronic inflammation and hormonal changes contribute to the development of sarcopenia in older adults.
5. Sarcopenia is associated with other conditions such as osteoporosis, obesity, and metabolic syndrome.

Review Questions

• What are two key strategies for preventing or slowing the progression of sarcopenia?
• How does vitamin D deficiency relate to sarcopenia?
• Name at least two conditions commonly associated with sarcopenia.

Related terms

Osteoporosis: A condition characterized by weakened bones that are more susceptible to fractures.

Metabolic Syndrome: A cluster of conditions that increase the risk of heart disease, stroke, and diabetes.

Resistance Training: A form of exercise designed to improve muscular strength and endurance by working against a force or weight.