Question 1

Which muscle arrangement is characterized by fibers attaching to one side of a tendon, resembling a feather?

Accepted Answer

Unipennate

Question 2

A patient has strained their brachialis muscle, which acts as a synergist during elbow flexion. What is the most likely outcome?

Accepted Answer

Elbow flexion is still possible but with reduced strength

Question 3

Which muscle is the antagonist during elbow flexion?

Accepted Answer

Triceps brachii

Question 4

The muscle 'extensor digitorum' is named based on which conventions?

Accepted Answer

Action and location

Question 5

If a muscle is located on the lateral side of a limb, what is its most likely action?

Accepted Answer

Abduction

Question 6

Which muscle shape is described as having a broad origin and a single, narrow insertion?

Accepted Answer

Convergent

Question 7

During a bicep curl, which muscle acts as a fixator to stabilize the shoulder joint?

Accepted Answer

Deltoid

Question 8

Which naming convention is used for the muscle 'biceps femoris'?

Accepted Answer

Number of origins and location

Question 9

A muscle with uniform thickness throughout its length is best described as:

Accepted Answer

Parallel

Question 10

Which muscle group is responsible for moving a limb toward the body's midline?

Accepted Answer

Adductors

Question 11

The orbicularis oris muscle is named for its:

Accepted Answer

Shape and location

Question 12

Which muscle arrangement is most efficient for opening and closing body passages?

Accepted Answer

Circular

Question 13

If the prime mover for elbow extension is injured, which muscle would most likely compensate as a synergist?

Accepted Answer

Anconeus

Question 14

Which muscle shape is described as bulged in the middle and tapered at both ends?

Accepted Answer

Fusiform

Question 15

A muscle named 'trapezius' is based on which naming convention?

Accepted Answer

Shape

Question 16

Which of the following best describes the role of a fixator muscle?

Accepted Answer

Stabilizes a joint to allow isolated movement

Question 17

During elbow flexion, which muscle acts as the prime mover?

Accepted Answer

Biceps brachii

Question 18

Which muscle arrangement is characterized by multiple bipennate structures converging on a single tendon?

Accepted Answer

Multipennate

Question 19

If a muscle is located on the posterior side of a limb, what is its most likely action?

Accepted Answer

Extension

Question 20

A muscle named 'external oblique' is based on which naming conventions?

Accepted Answer

Location and direction of fibers

Muscle Actions, Naming, and Arrangements: Study Notes for ANP College Students

Study Guide - Practice Questions