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23 Cards in this Set

  • Front
  • Back
Palmaris Longus
Origin: Medial epicondyle of humerus
Insertion: Palmar aponeurosis
Innervation: Median
Action: Wrist flexion
Flexor Carpi Radialis
Origin: Medial epicondyle of humerus
Insertion: Bases of 2nd and 3rd metacarpals
Innervation: Median
Action: Wrist flexion and radial deviation
Flexor Carpi Ulnaris
Origin: Medial epicondyle of humerus & proximal medial ulna
Insertion: Pisiform, hamate and base of 5th metacarpal
Innervation: Ulnar
Action: Wrist flexion and ulnar deviation
Extensor Carpi Radialis Longus
Origin: Lateral supracondylar ridge of humerus
Insertion: Base of 2nd metacarpal
Innervation: Radial
Action: Wrist extension and radial deviation
Extensor Carpi Radialis Brevis
Origin: Lateral epicondyle of humerus
Insertion: Base of 3rd metacarpal
Innervation: Radial
Action: Wrist extension and radial deviation
Extensor Carpi Ulnaris
Origin: Lateral epicondyle of humerus & proximal dorsal ulna
Insertion: Base of 5th metacarpal
Innervation: Deep radial
Action: Wrist extension & ulnar deviation
Extensor Digitorum
Origin: Lateral epicondyle of humerus
Insertion: dorsal surface of phalanges 2-5
Innervation Deep radial
Action: Wrist, MP, & IP extension (& hyperextension)
Extensor Digiti Minimi
Origin: lateral epicondyle of humerus
Insertion: proximal phalanx of digit 5
Innervation: Deep radial
Action: Wrist and 5th MP extension
Extensor Indicis
Origin: Interosseus membrane and posterior ulna
Insertion: Posterior phalanges of 2nd digit
Innervation: Deep radial
Action: Wrist, 2nd MP, & 2nd IP extension
Extensor Pollicis Longus
Origin: Interosseus membreane and midshaft of ulna
Insertion: Base of distal phalanx of # 1.
Innervation: Deep radial
Action: Wrist extension and radial deviation, extension of carpometacarpal, MP, and IP of digit # 1.
Extensor Pollicis Brevis
Origin: Shaft of radius and interosseus membrane
Insertion: Base of proximal phalanx of # 1.
Innervation: Deep radial
Action: Wrist extension and radial deviation, extension and abduction of carpometacarpal, MP, and IP of digit # 1.
Abductor Pollicis Longus
Origin: Proximal dorsal surface of ulna and radius
Insertion: Base of metacarpal # 1.
Innervation: Deep radial
Action: Wrist extension and radial deviation, extension and abduction of first carpometacarpal jt.
Flexor Digitorum Superficialis
Origin: Medial epicondyle of humerus and radius and ulna
Insertion: lateral surface of middle phalanges of # 2-5
Innervation: Median
Action: Wrist flexion, MP, and PIP flexion of phalanges # 2-5.
Flexor Digitorum Profundus
Origin: Medial surface and coronoid process of ulna, & interosseus membrane.
Insertion: Bases of distal phalanges of # 2-5.
Innervation: Median and ulnar
Action: Wrist flexion, MP, and IP flexion.
Flexor Pollicis Longus
Origin: Anterior shaft of radius and interosseus membrane.
Insertion: Base of distal phalanx of # 1.
Innervation: Median
Action: Wrist flexion, MP and IP flexion of digit # 1.
Thenar Muscles
Abductor pollicis brevis
Flexor pollicis brevis
Adductor pollicis
Opponens pollicis
Hypothenar Muscles
Opponens digiti minimi
Abductor digiti minimi
Flexor digiti minimi brevis
Palmaris brevis
Nerves to hand muscles
Median n.
Ulnar n.
Lumbricals
Origin: tendon of FDP
Insertion: tendon of extensor digitorum

Action: Flexion of MP and extension of PIP
Palmar interossei
Origin: Sides of metatarsals
Insertion: Bases of proximal phalanges 2, 4, & 5

Action: Adducts 2,4,5, flexion of MPs
Dorsal interossei
Origin: metatarsals
Insertion: Bases of proximal phalanges 2-4

Action: Abducts 2-4, flexes MPs
Nerves of the Upper Extremity
Brachial Plexus
Trunks Superior Middle Inferior
Cords Lateral Medial Posterior
Nerves: Lateral Cord Musculocutaneous Median (lateral)
Medial Cord Median (medial) Ulnar
Posterior Cord Radial Axillary Thoracodorsal Subscapular
Arteries of the Upper Extremity
Aorta Brachiocephalic Subclavian Axillary Subscapular Ant. & Post. Humeral circumflex Brachial Profunda brachial
Ulnar Superficial Palmar arch
Radial Deep Palmar arch