What is the contractile unit of muscle?

Balsinger points out that the center of the sarcomere where only myosin resides during muscle rest is referred to as the H zone. During contraction, the overlapping thick filaments and thin filaments bind together and pull the Z disc towards the H zone in a ratchet-like manner. During a muscle contraction, the H zone disappears. read more

Controlling a skeletal muscles contraction; Recruitment and Wave summation are two ways skeletal muscles develop this Team (Motor Unit) Each one has its member skeletal muscle cells scattered throughout the skeletal muscle; has its motor neuron tell all its associated skeletal muscle cells to contract simultaneously. read more