Median nerve

Question 1

What is the motor function of the Median nerve?

Answer 1

Innervates the flexor muscles of the anterior compartment (except the flexor carpi ulnaris and flexor digitorum profundus)
Thenar muscles
Lateral 2 lumbricals

Question 2

What is the sensory function of the Median nerve?

Answer 2

Lateral part of the palm (Palmar cutaneous branch)

Lateral 3 and a half fingers on the anterior surface of the hand (Digital cutaneous branch)

Question 3

What branches off the Median nerve?

Answer 3

Palmar cutaneous branch

Digital cutaneous branch

Question 4

What spinal roots are in the Median nerve?

Answer 4

C5, C6, C7, C8 and T1

Question 5

What muscles are innervated by the Median nerve?

Answer 5

Pronator teres
Flexor carpi radialis
Palmaris longus
Flexor digitorum superficialis
Flexor digitorum,profundus
Flexor pollicis longus
Pronator quadratus
Lateral 2 Lumbricals
Thenar muscles

Question 6

What are the 2 sensory branches of the Median nerve?

Answer 6

Palmar cutaneous branch

Digital cutaneous branch

Question 7

What does the Palmar cutaneous branch of the Median nerve do?

Answer 7

Provides sensation to the palm

Question 8

What does the Digital cutaneous branch of the Median nerve do?

Answer 8

Lateral 3 and a half digits on the palmar side

Fingertips on the dorsal side

Question 9

When can Hand of Benediction occur?

Answer 9

Damage to the Median nerve at the elbow/wrist

Question 10

How can the Median nerve be damaged at the elbow?

Answer 10

A supraepichondylar fracture of the humerus

Question 11

How can the Median nerve be damaged at the wrist?

Answer 11

Lacerations just below the flexor reticaculum