Deep fascia of the Forearm

• The forearm by extensions of deep fascia which are called Med. & Lat. intermuscular septum and interosseus membraine divided in to two compartments ( Anterior & Posterior ) .

Deep fascia of the FOREARM

Ant.Compartment

Muscles

Arterial Supply

Nerve Supply

Superficial:Pronator TeresFlexor Carpi RadialisPalmaris Longus Flexor Digitorum SuperficialisFlexor Carpi Ulnaris

Deep:Flexor Digitorum ProfondusFlexor Pollicis LongusPronator Quadratus

Ant.Compartment

Muscles

Arterial Supply

Nerve Supply

Radial ArteryUlnar Artery

Median Nerve & Ant.Interosseus Nerve

Ulnar Nerve

Muscles of the Anterior Compartment of the Forearm• Superficial:

Pronator TeresFlexor Carpi RadialisPalmaris Longus Flexor Digitorum SuperficialisFlexor Carpi Ulnaris

• Superficial:

Pronator TeresFlexor Carpi RadialisPalmaris Longus Flexor Digitorum SuperficialisFlexor Carpi Ulnaris

• Deep:

Flexor Digitorum ProfondusFlexor Pollicis LongusPronator Quadratus

Is a strong fibrous band which bridges the anterior concavity of the carpus

1. Laterally : Tubercle of scaphoid Crest of trapezium

2. Medially : Pisiform Hook of hamat

Situation Situation ::

AttachmentAttachments :s :

FLEXOR RETINACULUM

Tendon of palmaris longus, Tendon of flex.carpi ulnaris, Palmar cutaneus br.of Median nerve, Palmar cutaneus br.of Ulnar nerve, Ulnar vessels, Ulnar nerve

Median nerve, Tendons of Flexor digitorum superficialis, Tendons of Flexor digitorum profondus, Tendons of Flexor pollicis longus, Ulnar bursa, Radial bursa

** The tendon of Flexor carpi radialis lies between the retinaculm and its deep slip, in the groove of trapezium**

Structures passing superficial to the Structures passing superficial to the F. R :F. R :

FLEXOR RETINACULUM

Structures passing deep to the F. R :Structures passing deep to the F. R :

Cubital Fossa:

Is the triangular hollow and lying in front of the elbow joint

1. Superioly ( Base) : Imaginary line between lat. & med. Epicondyles of humerus.

2. Laterally: Medial border of Brachioradialis muscle.

3. Medially: Lateral border of Pronator teres muscle.

4. Floor : Brachialis and Supinator muscle.

5. Roof : Skin, Superficial & Deep fascia and Bicipital aponeurosis.

6. Apex : Overlap of Brachioradialis & Peonator teres muscles.

SituatioSituation :n :

Boundaries :Boundaries :

Cubital Fossa:

A ) Superficial : • 1 . Median cubital vein • 2. Lateral cutaneus nerve of forearm.• 3. Medial cutaneus nerve of forearm. B ) Deep : 1 . Median Nerve 2. Brachial Artery 3. Tendon of Biceps brachii 4. Radial Nerve

Content :Content :