Work done by the muscle

Work done by the muscle

Work done (W) = (Hxl)/L

• here-
  • L – Length bet fulcrum and the tip of the lever
  • L – Length bet fulcrum and the weight load
  • H – Observed HT on contraction

• The chemical energy liberated during contraction is party converted into mechanical energy with fibers indicated fraction of total energy liberated is converted into work.
  1. Untrained animals = 20%
  2. Trained – 25 – 30%
  3. Isolated muscle – 40%