Muscle structure and adaptation

How do muscle fibres grow?

Which 2 factors increase muscle strength?

What is MHC?

What are the MHC isoforms whose genes are found in a cluster? (5)

What is the other MHC isoform and where is it's gene found?

What are the differences between the MHC isoforms?

Which are the fastest fibres and why?

Which are the slowest fibres and why?

How could a stain showing the level of ATPase activity help diagnose a myopathy?

How do muscles grow when exercised?

What hormones are involved in muscle and bone growth?

During exercise, what autocrine function helps muscle hypertrophy?

What is a motor unit?

What is motor unit recruitment?

What happens to the motor units as the demand for force increases?

Which type of muscle fibres do marathon runners predominantly build up?

Which type of muscle fibres do sprinters predominantly build up?

What are the cellular adaptations during endurance training?

What happens in ageing muscle? (5)