When a nerve impulse reaches a muscle cell, the muscle cell contracts.  If a second nerve impulse reaches a muscle cell before the cell relaxes this will lead to a stronger muscle cell contraction.  This process is called:

Adductors move a body part toward the midline.

A muscle which becomes greatly enlarged in ballet dancers because of the need to flex and abduct the thigh and which supports the knee laterally is the:

Which of these muscles is named according to its function?

When describing the internal organization of a sarcomere, which of the following describes an area of the sarcomere that represents the middle line of the sarcomere?

A muscle which becomes greatly enlarged in ballet dancers because of the need to flex and abduct the thigh and which supports the knee laterally is the:

Adductors move a body part toward the midline.

_____ binds to the myosin head, while ______ binds to receptors on the sarcolemma.

Consider the following events involved in a muscle contraction: Power stroke Cocking of myosin head Cross-bridge Muscle Action Potential Troponin / Tropomyosin change shape  What is the correct sequence in which these elements occur?

Which of these muscles is named according to its function?