The lever of the _______ order, where the fulcrum is at one end of the lever and power at the other end with the weight in between, is represented by the gastrocnemius muscle raising the weight of the body on the toes.
second
The lever of the second order, where the fulcrum is at one end of the lever and power at the other end with the weight in between, is represented by the gastrocnemius muscle raising the weight of the body on the toes.