Question 1

Which of the following statements correctly describes the relationship between muscle origin and insertion during contraction?

Accepted Answer

The insertion moves toward the origin.

Question 2

According to the Five Golden Rules of skeletal muscle activity, which statement is FALSE?

Accepted Answer

During contraction, a skeletal muscle insertion moves away from the origin.

Question 3

A patient is unable to flex their elbow. Which muscle attachment is most likely affected?

Accepted Answer

The insertion on the ulna

Question 4

Which type of body movement is described as increasing the angle between two bones, such as straightening the elbow?

Accepted Answer

Extension

Question 5

If a muscle crosses on the anterior side of a joint, what movement does it typically produce?

Accepted Answer

Flexion

Question 6

Which muscle role is responsible for the major movement at a joint?

Accepted Answer

Prime mover

Question 7

A muscle that aids a prime mover by reducing undesirable movements is called a:

Accepted Answer

Synergist

Question 8

Which fascicle arrangement is best described as spindle-shaped with an expanded belly?

Accepted Answer

Fusiform

Question 9

Which movement involves turning the sole of the foot medially?

Accepted Answer

Inversion

Question 10

A muscle named 'rectus femoris' is named based on which criteria?

Accepted Answer

Direction of muscle fibers and location

Question 11

Which movement is a combination of flexion, extension, abduction, and adduction, resulting in the distal end of a limb moving in a circle?

Accepted Answer

Circumduction

Question 12

What is the result of muscle hypertrophy?

Accepted Answer

Muscle mass increases

Question 13

Which muscle action is produced when a muscle crosses on the medial side of a joint?

Accepted Answer

Adduction

Question 14

Which of the following is TRUE regarding muscle development in infants?

Accepted Answer

Muscle control reflects the maturation of the nervous system.

Question 15

Which movement describes lifting the foot so that its superior surface approaches the shin?

Accepted Answer

Dorsiflexion

Question 16

A muscle named 'triceps brachii' is named based on which criteria?

Accepted Answer

Number of origins and location

Question 17

Which movement involves moving the thumb to touch the tips of other fingers on the same hand?

Accepted Answer

Opposition

Question 18

Which muscle arrangement allows for the greatest range of motion but the least power?

Accepted Answer

Parallel

Question 19

Which of the following equations best represents the relationship between force ($$F$$), mass ($$m$$), and acceleration ($$a) in $$muscle contraction?

Accepted Answer

$$F = m 	imes a$$

Question 20

Which movement is described as rotating the forearm so the palm faces posteriorly, with the radius crossing over the ulna?

Accepted Answer

Pronation

Muscular System: Structure, Function, and Movements

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