Anterior Forearm

What muscles are in the superficial layer?

Pronator Teres

Flexi Carpi Radialis

Palmaris Longus

Flexi Carpi Ulnaris

What muscles are in the intermediate layer?

Flexor Digitorum Superficialis

What muscles are in the deep layer?

Flexor Pollicis Longus

Flexor Digtorum Profondus

Pronator Quadratus

Pronator Teres

Flexor Carpi Radialis

Palmaris Longus

Flexor Carpi Ulnaris

Flexor Digitorium Superficialis

Pronator Quadratus

Flexor Digitorum Profundus

Flexor Pollics Longus

Proximal attachment of superficial layer

Proximal: Medial epicondyle of humerus

Distal attachment of Pronator teres

Proximal Radius

Distal attachment of Flexor Carpi Radialis

Base second MC

Distal attachment of Palmaris Longus

Palmar Aponeurosis

Distal attachment of Flexi Carpi Ulnerus

base 5th MC

Proximal and distal attachment of Flexor Digitorum Superficialis

Proximal: Medial Epicondyle of Humerus and Ulna + Radius

Distal: Middle Phalanges of digits 2-5

Proximal and Distal Attachments of Flexor Digitorum Profundus and Flexor pollics longus

Prox: Diagonal Line→ Ulna(FDP) interossous membrane, Radius (FPL)

Distal Attachment: Distal Phalanges [of Digits 2 – 5: FDP][of Digit 1: FPL]

Name the points and which muscles insert there

Right:

Flexor Digitorum Profundus

Flexor Digitorum superficialis

Flexor Pollicis Longus

Flexor Carpi Radialis (base of 2nd metacarpal)

Left:

Flexi Carpi Ulnaris (base of 5th metacarpal)

Innervation of all the nerves of the anterior forearm

Median Nerve

Exepct: Flexor Carpi Ulnaris (Ulnar Nerve)

½ of Flexor Digitorum Profundus (Ulnar Nerve)

Flexor Pollicis Longus+Pronator Quadratus (Anterior Interosseous Nerve, branch of median nerve)

Name the muscles and the nerves on of the deep layer

Ulnar Nerve

Median Nerve

Anterior Interosseous Nerve

Flexor digitorum Profundus

Flexor Pollics Longus

Boundaries of Cubital Fossa

Superior - Imaginary Line Between Medial / Lateral Epicondyles of Humerus

Medial - Pronator Teres

Lateral - Brachioradialis

Floor of Cubital Fossa

Brachialis + Supinator Muscles

Contents if Cubital Fossa

Median Nerve

Radial Nerve – Superficial + Deep Branches

Bifurcation of Brachial Artery

Tendon of Biceps Brachii

Median Nerve

Tendons of Biceps Brachii

Radial Nerve:

Deep Branch of Radial Nerve:Pierces Supinator(to gain access to posterior forearm region)

Superficial Branch of Radial Nerve: Cutaneous Sensation from Posterior Hand