Humeral Head-Common Flexor Tendon

Ulnar Head-Coronoid Process 

Pronation

Humeral Head-Forearm Flexion 

Wrist Flexion

Wrist Radial Deviation 

Humeral Head-Common Flexor Tendon

Ulnar Head-Proximal Posterior Border of Ulna 

Wrist Flexion

Wrist Ulnar Deviation 

Common Flexor Tendon

Coronoid Process of Ulna

Proximal 1/2 of Anterior Surface of Radius 

Wrist Flexion

MCP Joint Flexion

PIP Joint Flexion 

Proximal 3/4 of Medial & Anterior Ulna

Adjoining Interosseous Membrane 

Lateral Half-Median

Medial Half-Ulnar 

Middle 1/3 of Anterior Surface of Radius

Adjoining Interosseous Membrane 

Wrist Flexion

Thumb MCP and IP Joint Flexion 

Flex Wrist

Flex MP, PIP, and DIP Joints 

Pronator Teres Humeral Head

Flexor Carpi Radialis

Palmaris Longus

Flexor Carpi Ulnaris Humeral Head

Flexor Digitorium Superficialis 

Superior-Medial Epicondyle to Lateral Epicondyle Line

Laterally-Brachioradialis

Medially-Pronator Teres 

(Medially to Laterally)

MATR

 Median Nerve

Brachial Artery

Bicipital Tendon

Radial Nerve 

Median:

Anterior Interosseous Branch (at Tendinous Arch of Flexor Digitorum Superficialis)

 Palmar Cutaneous Branch (near wrist)

Ulnar:

Dorsal Branch (moving dorsally near wrist) 

Radial Recurrent A. (after elbow)

Palmar Carpal A. (part of palmar carpal arch at carpals)

Superficial Palmar A. (part of superficial palmar arch)

Dorsal Carpal A. (part of dorsal carpal arch) 

Anterior Ulnar Recurrent A. (after elbow, from Ulnar Recurrent)

Posterior Ulnar Recurrent A. (after elbow, from Ulnar Recurrent)

Common Interosseous A

Branches into: Anterior & Posterior Interosseous A.

Palmar Carpal Branch

 Dorsal Carpal Branch

Roof of Carpal Tunnel

(Flexor Retinaculum Attachments)

Tubercle of Scaphoid

Tubercle of Trapezium

Hook of Hamate

Pisiform 

Flexor Digitorum Superficialis Tendons (4)

Flexor Digitorum Profundus Tendons (4)

Flexor Pollicis Longus (1)

Median Nerve (1) 

Flexor Retinaculum

Trapezium 

Flexor Retinaculum

Trapzium 

Oblique Head: Capitate, Base of 2nd & 3rd Metacarpals

Transverse Head: Shaft of 3rd Metacarpal 

Flexor Retinaculum

Hook of Hamate 

Flexor Retinaculum

Hook of Hamate 

Lateral 2-Median

Medieal 2-Ulnar 

"L"

MP Flexion

PIP & DIP Extension 

Abduction of Digits 2-4

"L" of Digits 2-4

MP Flexion

PIP & DIP Extension 

Adduction of Digits 2,4,&5

"L" of Digits 2,4,&5

Flex MP

Extend PIP & DIP 

Palmar Cutaneous Branch

Recurrent Branch

Branches to 2 Lumbricales

Sensory Branches (3 1/2 Fingers and Tips) 

Dorsal Branch

Motor Branches

Sensory Branches (1 1/2 Fingers, Both Sides) 

Ulnar Artery

Radial Artery

Superficial Palmar Arch

-Common Palmar Digital Branches

-Proper Palmar Digital Branches

Deep Palmar Arch

-Palmar Metacarpal Branches 

Extend Wrist

Radial Deviate Wrist 

Common Extensor Tendon

Posterior Border of Ulna 

Extend Wrist

Ulnar Deviation 

Flexor Digitorum Superficialis and

Flexor Digitorum Profundus

Triangular shape anchoring into:

Deep Transverse Metacarpal Ligament

Palmar Ligament 

Lateral Epicondyle of Humerus

Posterior Surface of Proximal Ulna

(similar to flexor carpi ulnaris) 

Abduct Thumb

Extension of Thumb at CMC Joint 

Extend Thumb at MP and CMC Joint

Anterior:

Abductor Pollicis Longus Tendon

Extensor Pollicis Brevis Tendon

Posterior:

Extensor Pollicis Longus Tendon 

Scaphoid

Radial Artery 

Abductor Pollicis Longus Tendon

Extensor Pollicis Brevis Tendon 

Extensor Carpi Radialis Brevis Tendon

Extensor Carpi Radialis Longus Tendon 

Extensor Digitorum Tendons

Extensor Indicis Tendon 

Lateral Antebrachial Cutaneous

(Musculocutaneous)

Cutaneous Nerve Innervation

Medial Antebrachial Cutaneous

Cutaneous Nerve Innervation

Extensor Carpi Radialis Brevis

Extensor Digitorum

Extensor Digiti Minimi

Extenor Carpi Ulnaris