The less-movable end of a skeletal muscle is the
A) insertion.
B) belly.
C) origin.
D) proximal end.
E) distal end.

Question

Quizplus · Accepted Answer

The origin is the less-movable end of a skeletal muscle, where it attaches to a bone or other fixed structure. The insertion is the more-movable end, and the belly is the central portion of the muscle between the two ends. Proximal and distal refer to relative positions on a limb, but are not necessarily indicative of which end of a muscle is more or less movable.

The Less-Movable End of a Skeletal Muscle Is the