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Left ulna

Right ulna

Olecranon process

trochlear notch

Radial notch

Head of ulna

Styloid process of ulna

Radius

Head of radius

Radial tuberosity

Styloid process of radius

Carpals
8

Metacarpals 1-5
1 starts at thumb

Phalanges
Proximal, distal phalanx- thumb
Proximal, middle, distal phalanx- other 4 fingers

Brachioradialis
Insertion- radius
Action- flexes forearm

Supinator
Origin- lateral epicondyle of humerus
Insertion- radius
Actions- supinates forearm

Pronator teres
Origin- medial epicondyle of humerus
Insertions- radius
Action- pronates forearm

Flexor carpi radials
Origin- medial epicondyle
Action- flexes and abducts hand

Flexor carpi ulnaris
Origin- medial epicondyle
Action- flexes and adducts hand

Palmaris longus
Origin- medial epicondyle
Insertion- aponeurosis of hand
Action- flexes hand

Flexor digitorum superficialis
Origin- medial epicondyle
Action- flexes middle phalanges 2-5

Flexor digitorum profundus
Action- flexes distal phalanges 2-5

Flexor pollicis longus
Action- flexes thumb

Extensor carpi radialis longus
Origin- lateral epicondyle
Action- extends and abducts hand

Extensor digitorum
Origin- lateral epicondyle
Action- extends digits 2-5

Extensor carpi ulnaris
Origin- lateral epicondyle
Action- extends and adducts hand

Aponeurosis of palm

Flexor retinaculum

Extensor retinaculum
