Exam 4: Elbow Injuries

What makes up the cubital fossa

Brachioradialis, Pronator teres Radial, ulnar, median nerves

What is the terrible triad?

Fx of coronoid & radial head with posterior dislocation

Bursas of elbow

Subcutaneous Olecranon bursa Subtendonosis Olecranon bursa

Where are the two bursas of elbow located

Subcutaneous olecranon: between skin and olecranon process Subtendonosis Olecranon: between tendon and olecranon process

Which of the following nerves is compressed as a result of pronator teres syndrome? a. Anterior interosseous b. Ulnar c. Median d. Radial

a. Anterior interosseous

Which of the following is the most important history finding regarding elbow trauma? a. Onset and location of symptoms b. Onset and type of pain c. Location of symptoms and type of pain d. Location of symptoms

a. Onset and location of symptoms

Which of the following is a muscle of the wrist flexor group? a. Palmaris longus b. Supinator c. Extensor carpi radialis longus d. Abductor pollicis longus

a. Palmaris longus

Which of the following is not correct in performing in the test for lateral epicondylalgia? a. The patient is positioned with elbow flexed and the forearm supinated b. The examiner palpates the lateral epicondyle c. The examiner resists wrist extension through full ROM d. The test may also perform with the elbow extended

a. The patient is positioned with elbow flexed and the forearm supinated

Most elbow injuries are the result of low-load repetitive stresses. a. True b. False

a. True

A valgus stress performed on the elbow is assessing the intergrity of which ligaments? a. UCL b. RCL c. Annular d. Coracoclavicular

a. UCL

What are the actions of the muscles originating from the lateral epicondyle? a. Flexion and supination b. Extension and supination c. Flexion and pronation d. Extension and pronation

b. Extension and supination

A decreased carrying angle is known as cubitus valgus. a. True b. False

b. False

The ulnar nerve is compressed in the cubital fossa as it crosses the joint resulting in carpal tunnel syndrome. a. True b. False

b. False

Which muscle does not influence pronation or supination at the elbow? a. Biceps brachii b. Triceps brachii c. Brachioradialis d. Anconeus

b. Triceps brachii

What is the typical carrying angle of the elbow for men? a. 0-15 degrees b. 5-19 degrees c. 11-14 degrees d. 15-21 degrees

c. 11-14 degrees

Male patients over what age commonly have biceps tendon rupture? a. 20 b. 30 c. 40 d. 50

c. 40

A patient with an acutely injured elbow will frequently assume an elbow resting position of ____ of flexion to minimize forces on the joint. a. 50 degrees b. 60 degrees c. 70 degrees d. 80 degrees

c. 70 degrees

What is the bundle of the UCL that is the primary restraint against a valgus force when the elbow is flexed beyond 60? a. Anterior b. Transverse c. Posterior d. Medial

c. Posterior

Which nerve enters the elbow at the arcade of Struthers? a. Median b. Radial c. Ulnar d. Anterior interosseous

c. Ulnar

If there is neurological damage at the elbow, pain is often referred to a. Elbow b. Shoulder c. Wrist/hand d. Cervical

c. Wrist/hand

What is it medically called when alignment of the forearm and humerus fully extends beyond 0 degrees? a. Cubitus valgus b. Cubitus varus c. Cubital valgus d. Cubital recurvatum

d. Cubital recurvatum

Which represents sensory distribution for the radial nerve? a. Medial forearm b. Little finger c. Medial half of the ring finger d. Lateral first metacarpal

d. Lateral first metacarpal

Which elbow ligament is divisible into three unique sections? a. Radial collateral ligament (RCL) b. Annular ligament c. Lateral ulnar collateral ligament (LUCL) d. Ulnar collateral ligament (UCL)

d. Ulnar collateral ligament (UCL)

Which of the following is not included when extending the elbow during the pivot shift test? a. Axial load b. Valgus stress c. Supination d. Wrist flexion

d. Wrist flexion

Joints of the elbow

radiohumeral, ulnohumeral, radioulnar