Understanding Muscle Atrophy: Use It or Lose It

What is muscle atrophy?

• The conversion of muscle to fat

• The growth of muscle fibers

• The loss of muscle

• The increase in muscle strength

What is sarcopenia?

• Muscle growth in young adults

• Conversion of fat to muscle

• Loss of muscle in older adults

• Increase in muscle size

What is hypertrophy?

• The decrease in muscle strength

• The loss of muscle fibers

• The growth of skeletal muscle fibers

• The conversion of muscle to fat

What happens to muscles during atrophy?

• They lose strength and size

• They convert to fat

• They increase in size

• They become more flexible

What is the minimum training needed to maintain strength?

• 5 resistance training workouts a week

• 2 to 3 resistance training workouts a week

• 1 resistance training workout a week

• No training is needed

What is the urban legend about muscle and fat?

• Fat turns into muscle with exercise

• Muscle turns into fat if not used

• Muscle and fat are the same

• Fat is healthier than muscle

What is the role of the neuromuscular system in strength?

• To produce internal tension to overcome an external load

• To increase fat storage

• To decrease muscle size

• To convert muscle to fat

What is a common cause of muscle atrophy?

• High protein diet

• Increased caloric intake

• Excessive exercise

• Lack of activity

What is the effect of stress on maintaining muscle strength?

• It can hinder the ability to maintain strength

• It increases muscle size

• It converts muscle to fat

• It has no effect

What is the recommended approach to 'debulk' or reduce muscle size?

• Consume only protein-rich foods

• Increase caloric intake

• Avoid all physical activity

• Focus on strength or endurance workouts