Multiple choice

The maximum power originated in a skeletal muscle fibre

  1. is independent of initial length of the muscle

  2. occurs with an isometric contraction

  3. confides in the load moved by the muscle

  4. is independent of the load moved by the muscle

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

As power = force x velocity, the maximum power depends on the load moved by the muscle. Too high a load and the muscle cannot shorten effectively; too light a load requires little power to move it.