A work-related injury results in a weakness against resistance in elevation of the scapula and atrophy of one of the lateral neck muscles. The physician suspects damage to a cranial nerve. Which muscle is most likely affected?

A long-distance runner is examined after complaining of pain along the anteromedial aspect of her left leg, extending from just below the knee to just above the ankle. She notices that the pain is especially acute when she pushes off from the ground with the affected limb. Which of the following muscles is most likely affected?

A stab injury to the buttocks results in the patient's inability to rise from a seated position without use of his arms, as well as weakness in climbing stairs. A nerve injury is suspected. Which of the following muscles was most likely affected by this stab injury?

A man is seen in the clinic waiting room who enters with a "shuffling" gate and a weakened ability to plantarflex his foot. Which of the following muscles is most likely involved?

An athlete “pulls her hamstring” when sprinting. Although this muscle is of the posterior compartment of the thigh and does flex the leg at the knee, it is not a true hamstring.

Pain over the lateral knee leads to a common muscle-tendon injury in runners called ITB (iliotibial band) syndrome. Which muscle is affected?

Weakened flexion of the thigh and abduction at the hip, and flexion of the leg at the kee would suggest an injury affecting this muscle.

During the normal gait cycle, what is the position of the foot as it pushes off the ground prior to beginning the swing phase?

A 48-year-old construction worker suffers a knee injury while on the job. When he is examined, it is evident that he has great difficulty unlocking his knee when it is in full extension. Which of the following muscles is most likely involved in this instance?

This is the most common site of a hip fracture in an elderly person.

A football player has a dislocated shoulder. The trainer is able to reduce the dislocation, but the player still has significant pain over his dorsal shoulder and cannot abduct his arm in a normal manner. Which of the following muscles has most likely been injured by the dislocation?

The most common type of shoulder dislocation results in the head of the humerus coming to lie just inferior to this structure.

A 56-year-old woman has had significant pain deep in her jaw, which has become localized to her temporomandibular joint (TMJ). Examination reveals that she has an inflamed TMJ. Which of the following muscles is most likely involved in this inflammatory process?

A 24-year-old woman presents with an abscess on the left side of her neck, which is surgically removed. Following surgery, the woman notices that she has difficulty turning her head to the opposite side and her shoulder is drooping. Which of the following nerves was most likely injured during surgery?

In neutral gaze, this muscle abducts the eyeball.

You are completing manual muscle testing on a client's arm abduction. They can move their arm through the full range of motion independently when lying on their back, but cannot move it at all when sitting upright. This is consistent with a MMT grade of...

A patient has a lesion to the musculocutaneous nerve after a motor vehicle accident. He has marked weakness of elbow flexion. Which of the following is likely least affected by this injury, and therefore should be the focus of therapy?

LIGHTNING ROUND!

An example of a first class lever in the body is...

LIGHTNING ROUND!

An example of a second class lever in the body is...

LIGHTNING ROUND!

An example of a third class lever in the body is...

Most of the lever systems with muscles in the human body are…

This cranial nerve is responsible for balance and hearing…

This cranial nerve is responsible for most muscles of facial expression…

This cranial nerve is responsible for movements of the tongue…

Which of the following is a diarthrodial joint?

Which of the following is NOT a muscle of the rotator cuff?

An individual moves his shoulder very slowly from 120 degrees of forward flexion to 60 degrees of forward flexion. What type of contraction is the anterior deltoid performing?

An individual tries to push his car up a hill, but does not move the vehicle. In fact, he remains in the exact same position. What type of contraction are his muscles performing?

Which of the following is NOT a branch of the brachial plexus?