Muscles of Elbow & Forearm

Question 1

Brachioradialis

Answer 1

O: Lateral Supracondylar Ridge of Humerus
I: Styloid Process of Radius
A: Flexion of Forearm @ Elbow Joint
Brings Forearm to neutral (from supination and pronation)
N: Radial Nerve
B: Brachial and Radial Arteries

Question 2

Pronator Teres

Answer 2

O: Humeral Head = Medial Epicondyle via CFT
Ulnar Head = CoroNoid Process of Ulna
I: Lateral Radius
A: Pronation of Forearm @ Radio-ulna Joint
Flexion @ Elbow Joint
N: Median Nerve
B: Ulnar and Radial Arteries

Question 3

Flexor Carpi Radialis

Answer 3

O: Medial Epicondyle via CFT
I: Bases of Metacarpals #2 and #3
A: Flexion of Hand @ Wrist
    Radial Deviation of Hand
    Elbow Flexion
N: Median Nerve
B: Ulnar and Radial Arteries

Question 4

Palmaris Longus

Answer 4

O: Medial Epicondyle via CFT
I: Palmar Aponeurosis AND Flexor Retinaculum
A: Flexion of Hand @ Wrist Joint 
    Flexion @ Elbow Joint 
N: Median Nerve
B: Ulnar Artery

Question 5

Flexor Carpi Ulnaris

Answer 5

O: Medial Epicondyle via CFT AND Proximal Ulna
I: Pisiform AND Hook of Hamate AND Base of 5th Metacarpal
A: Flexion of Hand
Ulnar Deviation of Hand
Extension @ Elbow
N: Ulnar Nerve
B: Ulnar Artery

Question 6

What is the “CFT”

Answer 6

Common Flexor Tendon

Question 7

Which 4 Muscles receive blood from the Ulnar Artery

Answer 7

Pronator Teres
Flexor Carpi Radialis
Palmaris Longus
Flexor Carpi Ulnaris

Question 8

Which 3 muscles are innervated by the Median Nerve

Answer 8

Pronator Teres
Flexor Carpi Radialis
Palmaris Longus