Upper Extremity Innervations Flashcards
Axillary (4)
Anterior Deltoid
Middle Deltoid
Posterior Deltoid
Teres Minor
Suprascapular (2)
Infraspinatus
Supraspinatus
Musculocutaneous (20% also have Radial) (1)
Brachialis
Lower Subscapular (1)
Teres Major
Musculocutaneous (3)
Coracobrachialis
Biceps Brachii
Brachialis (20% also receive radial innervation)
Radial (4)
Brachioradialis
Extensor Carpi Radialis Longus
Triceps Brachii
Anconeus
Upper and Lower Subscapular (1)
Subscapularis
Median (5)
Flexor Carpi Radialis Pronator Teres Palmaris Longus Flexor Digitorum Superficialis Lumbricals (radial 2 digits)
Radial (deep branch) (4)
Extensor Carpi Radialis Brevis
Extensor Digiti Minimi
Extensor Digitorum
Supinator
Radial (posterior interosseous) (5)
Extensor Carpi Ulnaris Extensor Indicis Abductor Pollicus Longus Extensor Pollicus Brevis Extensor Pollicus Longus
Median (anterior interosseous) (3)
Flexor Digitorum Profundus (Lateral)
Flexor Pollicus Longus
Pronator Quadratus
Median (recurrent) (3)
Abductor Pollicus Brevis
Flexor Pollicis Brevis (Superficial)
Opponens Pollicis
Ulnar (2)
Flexor Carpi Unlaris
Flexor Digitorum Profundus (Medial)
Ulnar (superficial branch) (1)
Palmaris Brevis
Ulnar (deep branch) (8)
Abductor Digiti Minimi Adductor Pollicis Dorsal Interossei 1-4 Flexor Digiti Minimi Brevis Flexor Pollicis Brevis (Deep) Lumbricals (ulnar 2 digits) Opponens Digiti Palmar Interossi