Exercise 13: Gross Anatomy of the Muscular System

Question 1

Term for the biceps brachii during forearm flexion

Answer 1

Prime mover

Question 2

Term that describes the relation of brachioradialis to biceps brachii during forearm flexion

Answer 2

Synergist

Question 3

Term for triceps brachii during forearm flexion

Answer 3

Antagonist

Question 4

Term for the more movable muscle attachment

Answer 4

Insertion

Question 5

Term for the more fixed muscle attachment

Answer 5

Origin

Question 6

Term for the rotator cuff muscles and deltoid when the forearm is flexed and the hand grabs a tabletop to lift the table

Answer 6

Fixator

Question 7

The _____, _____ _____, _____ _____, and _____ _____ are commonly used for intramuscular injections (four muscles).

Answer 7

Deltoid; vastus lateralis, gluteus medius, gluteus maximus

Question 8

The insertion tendon of the _____ group contains a large sesamoid bone, the patella.

Answer 8

Quadriceps

Question 9

The triceps sure insert in common into the _____ tendon.

Answer 9

Calcanal

Question 10

The bulk of the tissue of the muscle tends to lie _____ _____ to the part of the body it causes to move.

Answer 10

Mediala proximal

Question 11

The extrinsic muscles of the hand originate on the _____.

Answer 11

Forearm

Question 12

Most flexor muscles are located on the _____ aspect of the body; most extensors are located _____. An exception to this generalization is the extensor-flexor musculature of the _____.

Answer 12

Anterior; posteria; knee