Question 1

Which muscle labeled in the 'Posterior Arm (deltoid removed)' image is primarily responsible for initiating abduction of the arm at the shoulder joint?

Accepted Answer

Muscle A (supraspinatus)

Question 2

A patient presents with difficulty laterally rotating their arm. Injury to which muscle in the posterior arm is most likely responsible?

Accepted Answer

Muscle C (teres minor)

Question 3

Which muscle in the 'Anterior Arm and Shoulder' image is the primary flexor of the forearm at the elbow joint?

Accepted Answer

Muscle E (biceps brachii)

Question 4

If a patient cannot pronate their forearm, which muscle is most likely impaired?

Accepted Answer

Pronator teres

Question 5

Which muscle is deep to the rectus femoris in the anterior thigh?

Accepted Answer

Vastus intermedius

Question 6

A soccer player sustains an injury to the iliotibial band. Which movement would most likely be affected?

Accepted Answer

Abduction of the thigh

Question 7

Which muscle is responsible for dorsiflexion of the foot?

Accepted Answer

Tibialis anterior

Question 8

A patient is unable to extend their lower leg at the knee. Which muscle is most likely injured?

Accepted Answer

Vastus lateralis

Question 9

Which muscle is the primary extensor of the forearm at the elbow joint?

Accepted Answer

Triceps brachii

Question 10

Which muscle is responsible for adducting the thigh?

Accepted Answer

Adductor longus

Question 11

A patient presents with weakness in flexing the thigh at the hip joint. Which muscle is most likely affected?

Accepted Answer

Iliopsoas

Question 12

Which muscle is primarily responsible for plantar flexion of the foot?

Accepted Answer

Gastrocnemius

Question 13

Which muscle is a part of the hamstring group and is responsible for flexing the lower leg?

Accepted Answer

Biceps femoris

Question 14

Which muscle is responsible for abducting the arm at the shoulder joint?

Accepted Answer

Deltoid

Question 15

Which muscle is responsible for flexing the forearm at the elbow joint and is located on the lateral side of the forearm?

Accepted Answer

Brachioradialis

Question 16

A patient has difficulty extending their thigh at the hip joint. Which muscle is most likely impaired?

Accepted Answer

Gluteus maximus

Question 17

Which muscle is responsible for flexing the thigh and crossing the leg, as in sitting cross-legged?

Accepted Answer

Sartorius

Question 18

Which muscle is responsible for supinating the forearm?

Accepted Answer

Biceps brachii

Question 19

Which connective tissue structure runs along the lateral thigh and is important for stabilizing the knee during running?

Accepted Answer

Iliotibial band

Question 20

Which muscle is responsible for flexing the wrist and is located on the anterior forearm?

Accepted Answer

Flexor carpi radialis

Limb Muscles Identification and Function Study Guide

Study Guide - Practice Questions

Study Guide - Flashcards