Ordinarily, the insertion of a muscle:
1) in a limb is proximal to the origin.
2) does not move when the muscle contracts.
3) is the movable point of attachment of a muscle.
4) attaches a muscle to a bone or skin.
A) 1, 2, 3, 4
B) 1, 2, 4 only
C) 1, 3 only
D) 3, 4 only

Question

Ordinarily, the insertion of a muscle: 
1) in a limb is proximal to the origin.
2) does not move when the muscle contracts.
3) is the movable point of attachment of a muscle.
4) attaches a muscle to a bone or skin.
A) 1, 2, 3, 4
B) 1, 2, 4 only
C) 1, 3 only
D) 3, 4 only

Quizplus · Accepted Answer

The insertion of a muscle is the movable point of attachment and is where the muscle attaches to the bone or skin, making options 3 and 4 correct. The origin, not the insertion, is typically the fixed or less movable point, and in limbs, the origin is usually proximal while the insertion is distal.

Ordinarily, the Insertion of a Muscle