Question 1

Which of the following best describes the role of a synergist muscle during a biceps curl?

Accepted Answer

It assists the biceps brachii by adding extra force to the movement.

Question 2

When flexing the forearm at the elbow, which muscle acts as the antagonist?

Accepted Answer

Triceps brachii

Question 3

A muscle that crosses on the anterior side of a joint generally produces which movement? (Except at the knee and ankle)

Accepted Answer

Flexion

Question 4

Which fascicle arrangement is characterized by fascicles attaching obliquely to a central tendon, as seen in the rectus femoris?

Accepted Answer

Pennate

Question 5

The deltoid muscle is the prime mover for which action at the shoulder joint?

Accepted Answer

Arm abduction

Question 6

Which muscle group is responsible for knee extension?

Accepted Answer

Quadriceps femoris

Question 7

If a muscle is named 'sternocleidomastoid,' what does this indicate about its attachments?

Accepted Answer

It attaches to the sternum, clavicle, and mastoid process.

Question 8

Which of the following muscles is NOT part of the rotator cuff?

Accepted Answer

Teres major

Question 9

During forced expiration, which muscle group is primarily responsible for depressing the ribs?

Accepted Answer

Internal intercostals

Question 10

Which muscle arrangement is best suited for generating the greatest range of motion?

Accepted Answer

Parallel

Question 11

A patient is unable to abduct their arm at the shoulder. Which muscle is most likely impaired?

Accepted Answer

Deltoid

Question 12

Which of the following best describes the action of the pectoralis major?

Accepted Answer

Adduction and medial rotation of the arm

Question 13

To rotate the torso to the left, which muscles are primarily involved?

Accepted Answer

Left internal oblique and right external oblique

Question 14

Which muscle group is responsible for plantar flexion at the ankle?

Accepted Answer

Triceps surae

Question 15

Which of the following is a correct example of a muscle named for its shape?

Accepted Answer

Deltoid

Question 16

A muscle with fascicles arranged in concentric rings is classified as which type?

Accepted Answer

Circular

Question 17

Which of the following best describes the function of the rotator cuff muscles?

Accepted Answer

To stabilize the shoulder joint

Question 18

If a muscle is named 'biceps,' what does this indicate about its structure?

Accepted Answer

It has two origins.

Question 19

Which muscle is the primary agonist for elbow flexion when lifting a glass of water?

Accepted Answer

Brachialis

Question 20

Which of the following is an example of a multipennate muscle?

Accepted Answer

Deltoid

Gross Anatomy of the Muscular System: Structure, Function, and Organization

Study Guide - Practice Questions