Forearm

Question 1

Fascia of forearm

Answer 1

Antebrachial fascia

Question 2

What divides the compartments in forearm

Answer 2

• Interosseous membrane
• Intermuscular septum (connects radius to deep fascia)
• Attachment of deep fascia along posterior ulna

Question 3

Sensory supply of Skin in forearm

Answer 3

• Anterior and posterior lateral cutaneous n
• Anterior and posterior branches of the medial cutaneous n
• Posterior cutaneous n of forearm

Question 4

Where does the brachial artery bifurcate

Answer 4

Cubital fossa

Question 5

Superficial lymph nodes of forearm

Answer 5

• Medial: follow Cephalic vein to the infraclavicular group of nodes
• Lateral: Follow basilic vein to supratrochlear lymph nodes or straight to lateral group of axillary nodes

Question 6

Questions about fractures and pressure build up. Pay attention to the structures within the compartment

Answer 6

Yeet

Question 7

Radius articulates with what bone

Answer 7

• Proximally: humerus, ulna at radioulnar joint

- Distally: articulates with scaphoid and lunate bones

Question 8

What muscle inserts at the oblique line of the radius

Answer 8

-Flexor Digitorum superficial

Question 9

Cephalic vein is medial where

talked about it in class

Answer 9

Between deltoid and p major

Question 10

What runs in anterior compartment of forearm

Answer 10

• Median nerve

- Ulnar N and Artery

Question 11

What runs in posterior compartment in forearm

Answer 11

• Radial N and Artery

- Posterior interosseous N and Artery

Question 12

Posterior vs Anterior compartment nerves of Forearm

Answer 12

Radial is posterior

Ulnar and Median are Anterior

Question 13

Muscles of the Anterior Compartment

Answer 13

• 8 total muscles
• 4 superficial
• 1 Intermediate
• 3 deep

Question 14

Blood vessels in the Anterior Compartment of Forearm

Answer 14

• Ulnar and Radial vessels

- Common interosseous branch of ulnar artery divides into A/P interosseous branches

Question 15

Nerves of the Anterior Compartment

Answer 15

• Ulnar and Median Nerve

- Anterior interosseous branch of median N

Question 16

What is the common origin for 5 of the forearm flexors

Answer 16

Medial epicondyle of Humerus

-Pronator teres, Flexor carpi radial is, palmaris longus, flexor carpi ulnar is, flexor digitorum superficialis

Question 17

Superficial muscles in Anterior Compartment

Answer 17

Pronator teres
Flexor Carpi Radialis
Palmaris Longus
Flexor Carpi Ulnaris

Question 18

Intermediate muscle of anterior compartment of forearm

Answer 18

Flexor digitorum superficialis

Question 19

Deep flexors of the anterior compartment

Answer 19

Flexor pollicis longus
Flexor digitorum profundus
Pronator quadratus