Question 1

According to the Five Golden Rules of Skeletal Muscle Activity, what happens to the insertion of a muscle during contraction?

Accepted Answer

The insertion moves toward the origin.

Question 2

Which of the following best describes the movement known as 'abduction'?

Accepted Answer

Movement of a limb away from the midline

Question 3

A patient is unable to point their toes downward. Which type of movement is most likely impaired?

Accepted Answer

Plantar flexion

Question 4

Which muscle role is responsible for stabilizing the origin of a prime mover during movement?

Accepted Answer

Fixator

Question 5

Which of the following is NOT a criterion used in naming skeletal muscles?

Accepted Answer

Type of nerve supply

Question 6

A muscle named 'flexor carpi radialis' is likely named based on which criteria?

Accepted Answer

Action and location

Question 7

Which movement involves turning the sole of the foot medially?

Accepted Answer

Inversion

Question 8

If a muscle crosses a joint anteriorly in the upper limb, what movement does it typically produce?

Accepted Answer

Flexion

Question 9

Which of the following best describes circumduction?

Accepted Answer

Combination of flexion, extension, abduction, and adduction

Question 10

A muscle that opposes or reverses the action of a prime mover is called a(n):

Accepted Answer

Antagonist

Question 11

Which of the following is true regarding skeletal muscle contraction?

Accepted Answer

Skeletal muscles can only pull.

Question 12

Which movement is demonstrated when you shake your head 'no'?

Accepted Answer

Rotation

Question 13

Which of the following best describes the action of supination?

Accepted Answer

Forearm rotates laterally so palm faces anteriorly

Question 14

A muscle named 'triceps brachii' is likely named based on:

Accepted Answer

Number of origins

Question 15

Which of the following is a result of muscle atrophy?

Accepted Answer

Decrease in muscle size

Question 16

Which movement is involved when you move your thumb to touch the tips of your other fingers?

Accepted Answer

Opposition

Question 17

Which of the following is a correct statement about muscle attachments?

Accepted Answer

The origin is attached to an immovable or less movable bone.

Question 18

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

Accepted Answer

Deltoid

Question 19

Which of the following best describes the effect of regular exercise on muscle tissue as we age?

Accepted Answer

Exercise helps retain muscle mass and strength.

Question 20

A muscle that aids a prime mover in a movement or reduces undesirable movements is called a:

Accepted Answer

Synergist

Muscle Movements, Roles, and Names: Study Guide for Anatomy & Physiology

Guida di studio - Domande di pratica