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Contents of lateral fascial compartment of forearm

Muscles: brachioradialis, extensor carpi radialis longus.

Blood supply: radial a., brachial a.

N. supply to muscles: radial n.

Contents of lateral fascial compartment of forearm

Muscles

Blood supply

N. Supply to muscles

Arteries of lateral compartment of forearm

Nerve of lateral compartment of forearm

Radial nerve

Branches

• Muscular branches.
• Articular branches.
• Deep branch of radial n. (posterior interosseous n.).
• Superficial branch of radial n.


Branches

Muscular branches

Articular branches

Deep branch of radial n. (posterior interosseous n.)

Superficial branch of radial n.

Contents of posterior fascial compartment of forearm

Muscles:
Superficial group: extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris, anconeus.
Deep group: supinator, abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus, extensor indicis.


Blood supply: posterior interosseous a., anterior interosseous a.

N. supply to muscles: deep branch of radial n.

Contents of posterior fascial compartment of forearm

Muscles

Superficial group

Deep group

Blood supply

N. Supply to muscles

Anatomical snuffbox

Arteries of posterior fascial compartment of forearm

Posterior interosseous a.

Branches

• Muscular branches.
• Recurrent branch.


Branches

Muscular branches

Recurrent branch

Anterior interosseous a.

Branches

Muscular branches

N. of posterior fascial compartment of forearm

Deep branch of radial n. (posterior interosseous n.)

Branches

• Muscular branches.
• Articular branches.

Branches

Muscular branches

Articular branches

Structures on anterior aspect of wrist

Structures pass superficial to flexor retinaculum

(From medial to lateral):

• Flexor carpi ulnaris tendon.

• Ulnar n.
• Ulnar a.
• Palmar cutaneous branch of ulnar n.
• Palmaris longus tendon.
• Palmar cutaneous branch of median n.

Structures pass superficial to flexor retinaculum

Structures pass beneath flexor retinaculum

• Flexor digitorum superficialis tendons, flexor digitorum profundus tendons.
• Median n.
• Flexor pollicis longus tendon.
• Flexor carpi radialis tendon.

Structures pass beneath flexor retinaculum

Structures on posterior aspect of wrist

Structures pass superficial to extensor retinaculum

• Dorsal (posterior) cutaneous branch of ulnar n.
• Basilic v.
• Cephalic v.
• Superficial branch of radial n.


Structures pass superficial to extensor retinaculum

Structures pass beneath extensor retinaculum

• Extensor carpi ulnaris tendon.
• Extensor digiti minimi tendon.
• Extensor digitorum & extensor indicis tendons.
• Extensor pollicis longus tendon.
• Extensor carpi radialis longus & brevis tendons.
• Abductor pollicis longus & extensor pollicis brevis tendons.

Structures pass beneath extensor retinaculum

Palm of hand

Skin

Palmaris brevis

Sensory n. supply