Elbow Quiz

Question 1

What is the carrying angle?

Answer 1

It is formed between the axis of an abducted forearm and the axis of the humerus
It helps the arms swing without hitting the hips

Question 2

What is the function of the annular ligament

Answer 2

Hugs the head of the radius to the radial notch of the ulna

Question 3

What s more common, a humeroulna dislocation or a humeroradial dislocation l?

Answer 3

Humeroulna are uncommon

Humeroradial are more common, this is where a longitudinal traction is placed upon a pronated extended elbow

Question 4

What is different about the long heads of the biceps brachii and triceps brachii?

Answer 4

Long head of biceps brachii attaches to the supraglenoid tubercle and superior portion of the Glenoid labrum
Long head of triceps brachii attaches to the infraglenoid tubercle
So they are both intra-capsular

Question 5

How can I differentiate between the biceps brachii, brachioradialis and brachialis?

Answer 5

Biceps brachii is supinator and flexor
Brachialis can flex the elbow in the pronated position
Brachioradialis best flexes the elbow in a neutral position