Muscle Tissue and Function

Attached to bones, responsible for voluntary movements and striated appearance.

Found in internal organ walls, responsible for involuntary movements, and lacks striations.

Found only in the heart, striated, and responsible for pumping blood involuntarily.

The neurotransmitter released at the neuromuscular junction to initiate muscle contraction.

Muscle primarily responsible for a particular movement.

Muscle that opposes or reverses the movement of the agonist.

Muscle that assists the agonist by providing additional force or stabilizing a joint.

Attachment site on the stationary bone during muscle contraction.

Attachment site on the bone that moves during muscle contraction.

Increase in muscle fiber size due to resistance training.