Cubital Fossa and Elbow

Question 1

What are the proximal and distal boundaries of the Cubital fossa?

Answer 1

Proximal= Medial Epicondyle of the Humerus and Lateral Epicondyle of the Humerus
Distal= Pronator teres and brachioradialis

Question 2

What makes up the floor of the Cubital fossa?

Answer 2

• Brachialis

- Supinator

Question 3

What does the Cubital fossa contain?

Answer 3

• Brachial Artery
• Bification of Radial and Ulnar Artery
• Biceps tendon
• Bicipital Aponeousis
• Radial Nerve
• Median Nerve

Question 4

What does the musculocutaneous nerve turn into in the forearm?

Answer 4

Lateral Cutaneous Nerve of the Forearm

Question 5

What are the 3 superficial structures of the forearm? (1 vein and 2 nerves)

Answer 5

• Median Cubital Vein
• Lateral antebrachial cutaneous Nerve (from MCT nerve)
• Medial antebrachial cutaneous nerve (from ulnar nerve)

Question 6

This vein forms the “Y” shape and this is usually where blood is drawn from?

Answer 6

Median Cubital Vein

Question 7

What muscles does the anterior portion of the radial nerve travel between?

Answer 7

Brachialis and Brachioradialis

Question 8

What type of joint is the elbow joint?

Answer 8

Synovial –> Hinge

Question 9

What are the 3 joints of the elbow?

Answer 9

• Humeroradial Joint
• Humeroulnar Joint
• Radioulnar Joint

Question 10

Describe the humeroradial joint

Answer 10

The head of the radius with the capitulum of the humerus

Question 11

What landmarks of the radius and the Humerus articulate together when the elbow is flexed?

Answer 11

The radial tuberosity of the radius and the radial fossa of the humerus

Question 12

Describe the humeroulnar joint?

Answer 12

The coranoid process of the ulna and the trochlea of the humerus

Question 13

What landmarks of the ulna and the Humerus articulate with eachother when the elbow is flexed

Answer 13

Coronoid process of the ulna and the coronoid fossa of the humerus

Question 14

What purpose does the trochlear notch have?

Answer 14

Adds stability to the hinge joint

Question 15

What are the ligaments of the elbow joint?

Answer 15

• Radial Collateral

- Ulnar Collateral (Anterior Band, Posterior Band, and Oblique Band)

Question 16

Where is the radial collateral ligament located?

Answer 16

The lateral side of the elbow joint from the lateral epicondyle to the ulna

Question 17

Where are the ulnar collateral ligaments located?

Answer 17

-Medial side of the elbow joint

Question 18

Describe the different bands of the ulnar collateral ligament

Answer 18

Kind of form a triangle

Question 19

Where does the anterior collateral ligament go/attach?

Answer 19

Attaches at medial epicondyle of the Humerus and goes to the coronoid process of the ulna

Question 20

Where does the transverse collateral ligament go/attach?

Answer 20

Olecranon to the coronoid process of the ulna

Question 21

Where does the posterior collateral ligament go/attach?

Answer 21

Olecranon to the medial epicondyle

Question 22

What are the 3 olecranon bursae?

Answer 22

• Subtendinous
• Intratendinous
• Subcutaneous

Question 23

Where is the subcutaneous tendon located?

Answer 23

Between the skin and the triceps tendon