Question 1

Which muscle is primarily responsible for the initial 15 degrees of shoulder abduction and is part of the rotator cuff group?

Accepted Answer

Supraspinatus

Question 2

A patient presents with difficulty elevating their scapula. Which muscle is most likely impaired?

Accepted Answer

Levator scapulae

Question 3

Which of the following muscles originates on the anterior surfaces and superior margins of ribs 3–5 and inserts on the coracoid process of the scapula?

Accepted Answer

Pectoralis minor

Question 4

A weightlifter sustains a 'pulled groin' injury. Which muscle group is most likely affected?

Accepted Answer

Adductor group

Question 5

Which muscle is responsible for both flexion at the elbow and supination of the forearm?

Accepted Answer

Biceps brachii

Question 6

Which of the following best describes the function of the deep fascia in the body?

Accepted Answer

It forms a strong, fibrous internal framework and is composed of dense irregular connective tissue.

Question 7

A patient with a ruptured blood vessel in the anterior compartment of the thigh is at risk for which potentially life-threatening condition?

Accepted Answer

Compartment syndrome

Question 8

Which muscle is NOT part of the rotator cuff?

Accepted Answer

Teres major

Question 9

Which muscle group is primarily responsible for extension at the knee?

Accepted Answer

Quadriceps femoris

Question 10

Which of the following statements about the compartments of the upper arm is correct?

Accepted Answer

The anterior compartment is also known as the flexor compartment.

Question 11

A patient is unable to abduct their thigh. Which muscle is most likely damaged?

Accepted Answer

Gluteus medius

Question 12

Which muscle originates from the occipital bone, ligamentum nuchae, and spinous processes of thoracic vertebrae and inserts on the clavicle and scapula?

Accepted Answer

Trapezius

Question 13

Which of the following muscles is responsible for unlocking the knee joint during flexion?

Accepted Answer

Popliteus

Question 14

Which muscle is the longest in the human body, running from the top of the hip to the medial knee?

Accepted Answer

Sartorius

Question 15

A patient with a winged scapula is most likely to have damage to which muscle?

Accepted Answer

Serratus anterior

Question 16

Which of the following best describes the action of the subscapularis muscle?

Accepted Answer

Internal rotation of the arm

Question 17

Which muscle inserts on the vertebral border of the scapula from the spine to the inferior angle and is responsible for adducting and downwardly rotating the scapula?

Accepted Answer

Rhomboid major

Question 18

During a physical exam, a patient is asked to externally rotate their arm at the shoulder. Which rotator cuff muscle is primarily responsible for this movement?

Accepted Answer

Infraspinatus

Question 19

Which muscle group is responsible for lateral rotation of the thigh at the hip joint?

Accepted Answer

Lateral rotator group

Question 20

A patient is unable to flex their elbow after an injury. Which muscle is LEAST likely to be involved?

Accepted Answer

Triceps brachii

LEC 5

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