Muscle loss, also known as muscle atrophy, occurs when muscle cells shrink or degrade as a result of disuse, poor nutrition, aging, or disease. This leads to reduced muscle strength, fatigue, weakness, and declines in physical function. Some key points about muscle loss include:
- Causes
- Lack of physical activity
- Not enough protein, calories, or nutrients in the diet
- Aging - we lose muscle as we get older
- Illnesses like cancer, heart disease, diabetes
- Symptoms
- Feeling tired and weak
- Difficulty with daily tasks like climbing stairs
- Weight loss
- Joint aches and reduced range of motion
- Risk factors
- Lack of exercise
- Poor diet
- Being over age 50
- Chronic diseases
- Prevention
- Strength training 2-3 times per week
- Getting enough protein - aim for 0.5-1 gram per pound of body weight daily
- Eating fruits, vegetables, and whole grains
- Managing chronic illnesses
- Treatment
- Exercise with weight training
- High protein diet
- Possibly supplements like creatine or vitamin D
- Treating underlying illness if one is contributing