Pronator Teres
Origins: Humeral head - Medial Epicondyle & Ulnar Head - coronoid Process of ulna
Insertion: Midlateral Surface of shaft of radius
Nerve: Medial nerve
Flexi Carpi Radialis
Origin: Medial epicondyle of humerus via common flexor tendon
Insertion: base of 2nd & 3rd metacarpal
Median nerve
Flexes & radial deviates
Palmaris Longus
Origin: Medial epicondyle of humerus via common flexor tendon
Insertion Palmar Carpal Ligament & palmar aponeurosis
Median nerve
flex wrist (grip strength)
Flexor Carpi Ulnaris
Origin: Medial Epicondyle (common flexor tendon) & Olecranon & Posterior boarder of ulna
Insertion: Pisiform, Hook of Hamate, and 5th metacarpal
ulnar nerve
flex & ulnarly deviates
Flexor Digitorum Superficialis
Anterior middle
Origin: Medial Epicondyle of humerus and coronoid process of ulna side / oblique line of the radius
Insertion: Shaft of middle phalanges of medial 4 digits (2-4)
Median nerve
Flexs MCP + pip
Flexor Digitorum Profundus
Anterior Deep
Origin: Proximal 2/3 of anterior ulna and interosseus membrane
Insertion: Bases of distal phalanges of the medial 4 digits.
2 Nerves
Flex dip
Flexor Pollicis Longus
Origin: Anterior Surface of radius and interosseus membrane
insertion: Base of distal phalang of first digit
median nerve
flex thumb
Pronator Quadratus
Origin: Distal 1/4 of anterioro surface of the ulna
Insertion: Distal 1/4 of the anterior surface of the radius
Median Nerve
Pronates
Abductor pollicis brevis
Intrinsics of the hand
Origin: flexor retinaculum, scaphoid and tubercle of the trapezium
Insertion: Base of proximal phalanx of thumb
median nerve
adducts thumb
Opponens Pollicis
Origin: Flexor Retinaculum and Trapezium
Insertion: Lateral shaft of first metacarpal
Median Nerve
Opposition of first digit
Flexor Pollicis Brevis
Origin: Flexor Retinaculum and trapezium
Insertion: Base of proximal phalanx of thumb
Median nerve
Flex thumb
Adductor Pollicis
Origin: (oblique head) Capitate and bases of metacarpals 2 and 3 (transverse head) 3rd metacarpal
Insertion: medial side of proximal thumb
Ulnar nerve
adducts thumb
Palmaris Brevis
Origin: Flexor Retinaculum and palmar aponeurosis
Insertion: Skin on ulnar boarder of palm of hand
Ulnar nerve
Draws skin into palm
Abductor Digiti Minimi
Origin: Pisiform
Insertion: Base of proximal phalanx of pinkie
Ulnar Nerve
Abducts pinkie
Flexor Digiti Minimi Brevis
Origin: Flexor Retinaculum + hook of hamate
Insertion: Base of proximal phalanx of pinkie
Ulnar nerve
Flexs pinkie
Opponens digiti Minimi
Origin: Flexor retinaculum and hook of ham
Insertion: Medial border of shaft 5th metacarpal
Ulnar nerve
Opposition of pinkie
Lumbricales
Origin: Tendons of flexor digitorum profundus
insertion: Extensor expantion hood of digits 2-5
Median and ulnar Nerve
Duck Hand
Dorsal Interosseii
Origin: Adjacent sides of the shaft of the metacarpals
Insertions: Extensor expansions and bases of proximal phalanges 2, 3, 4
Ulnar Nerve
ABDUCTS digits (flex)
Palmar Interosseii
Origin: Palmer medial siurface of 2nd metacarpal and palmer lateral surface of 4&5 metacarpal
Insertion: Extensor expantion hood of bases and proximal phalanges 2, 4, 5
ulnar Nerve
ADDUCTS
Brachioradialis
Origin: Lateral Supercondylar ridge
Insertion: base of styloid process radius
radial nerve
Beer drinking - Flex forearm and rotate to midprone
Extensor Carpi Radialis Longus
Origin: Distal 1/3 of the lateral supercondylar ridge
Insertion: Base of the 2nd metacarpal
Radial Nerve
Extends and radially deviates wrist
TUNNEL 2
Extensor Carpi Radialis Brevis
Origin: Lateral epicondyle (Common extensor Tendon)
Insertion: Base of 3rd metacarpal
Radial nerve
extends and radial deviates
TUNNEL 2
Extensor Digitorum
Origin: Lateral epicondyle (common extensor tendon)
Insertion: Middle and distal phalanges of the medial 4 digits
Radial nerve
Extends medial 4 digits
TUNNEL 4
Extensor Digiti Minimi
Origin: Lateral epicondyle (Common Extensor Tendon)
Insertion: Tendons of extensor digitorum of 5th digit
Radial nerve
Extends 5th
TUNNEL 5
