Cranial | | | |
Closure of eyes, pursing of lips, exposure of teeth | Cranial VII | Facial | Orbicularis oculi, orbicularis oris, etc. |
Elevation of eyelids, movement of eyes | Cranial III, IV, V | Oculomotor, trochlear, abducens | Extraocular |
Closing and opening of jaw | Cranial V | Motor trigeminal | Masseters, pterygoids |
Protrusion of tongue | Cranial XII | Hypoglossal | Lingual |
Phonation and swallowing | Cranial IX, X | Glossopharyngeal, vagus | Palatal, laryngeal, and pharyngeal |
Elevation of shoulders, anteroflexion, and turning of head | Cranial XI | Spinal accessory | Trapezius, sternocleido mastoid |
Brachial | | | |
Adduction of extended arm | C5, C6 | Brachial plexus | Pectoralis major |
Fixation of scapula | C5, C6, C7 | Brachial plexus | Serratus anterior |
Initiation of abduction of arm | C5, C6 | Brachial plexus | Supraspinatus |
External rotation of flexed arm | C5, C6 | Brachial plexus | Infraspinatus |
Abduction and elevation of arm up to 90 degrees | C5, C6 | Axillary nerve | Deltoid |
Flexion of supinated forearm | C5, C6 | Musculocutaneous | Deltoid |
Extension of forearm | C6, C7, C8 | Radial | Triceps |
Extension (radial) of wrist | C6 | Radial | Extensor carpi radialis longus |
Flexion of semipronated arm | C5, C6 | Radial | Brachioradialis |
Adduction of flexed arm | C6, C7, C8 | Brachial plexus | Latissimus dorsi |
Supination of forearm | C6, C7 | Posterior interosseous | Supinator |
Extension of proximal phalanges | C7, C8 | Posterior interosseous | Extensor digitorum |
Extension of wrist (ulnar side) | C7, C8 | Posterior interosseous | Extensor carpi ulnaris |
Extension of proximal phalanx of index finger | C7, C8 | Posterior interosseous | Extensor indicis |
Abduction of thumb | C8 | Posterior interosseous | Abductor pollicis brevis |
Extension of thumb | C7, C8 | Posterior interosseous | Extensor pollicis longus and brevis |
Pronation of forearm | C6, C7 | Median nerve | Pronator teres |
Radial flexion of wrist | C6, C7 | Median nerve | Flexor carpi radialis |
Flexion of middle phalanges | C7, C8, Tl | Median nerve | Flexor digitorum superficialis |
Flexion of proximal phalanx of thumb | C8, T1 | Median nerve | Flexor pollicis brevis |
Opposition of thumb against fifth finger | C8, T1 | Median nerve | Opponens pollicis |
Extension of middle phalanges of index and middle fingers | C8, T1 | Median nerve | First, second lumbricals |
Flexion of terminal phalanx of humb | C8, T1 | Anterior interosseous nerve | Flexor pollicis longust |
Flexion of terminal phalanx of second and third fingers | C8, T1 | Anterior interosseous nerve | Flexor digitorum profundus |
Flexion of distal phalanges of ring and little fingers | C7, C8 | Ulnar | Flexor digitorum profundus |
Adduction and opposition of fifth finger | C8, T1 | Ulnar | Hypothenar |
Extension of middle phalanges of ring and little fingers | C8, T1 | Ulnar | Third and fourth lumbricals |
Adduction of thumb against second finger | C8, T1 | Ulnar | Adductor pollicis |
Flexion of proximal phalanx of thumb | C8, T1 | Ulnar | Flexor pollicis brevis |
Abduction and adduction of fingers | C8, T1 | Ulnar | Interossei |
Crural | | | |
Hip flexion from semiflexed position | L1, L2, L3 | Femoral | Iliopsoas |
Hip flexion from externally rotated position | L2, L3 | Femoral | Sartorius |
Extension of knee | L2, L3, L4 | Femoral | Quadriceps femoris |
Adduction of thigh | L2, L3, L4 | Obturator | Adductor longus, magnus brevis |
Abduction and int. rotation of thigh | L4, L5, SI | Superior gluteal | Gluteus medius |
Extension of thigh | L5, SI, S2 | Inferior gluteal | Gluteus maximus |
Flexion of knee | L5, SI, S2 | Sciatic | Biceps femoris, semitendinosus, semimembranosus |
Dorsiflexion of foot (medial) | L4, L5 | Peroneal (deep) | Anterior tibial |
Dorsiflexion of toes (proximal) and distal phalanges) | L5, SI | Peroneal (deep) | Extensor digitorum longus and brevis |
Dorsiflexion of great toe | L5, SI | Peroneal (deep) | Extensor hallucis longus |
Eversion of foot | L5, SI | Peroneal (superficial) | Peroneus longus and brevis |
Plantar flexion of foot | S1, S2 | Tibial | Gastrocnemius, soleus |
Inversion of foot | L4, L5 | Tibial | Tibialis posterior |
Flexion of toes (distal phalanges) | L5, SI, S2 | Tibial | Flexor digitorum longus |
Flexion of toes (middle phalanges) | S1, S2 | Tibial | Flexor digitorum brevis |
Flexion of great toe (proximal phalanx) | S1, S2 | Tibial | Flexor hallucis brevis |
Flexion of great toe (distal phalanx) | L5, SI, S2 | Tibial | Flexor hallucis longus |
Contraction of anal sphincter | S2, S3, S4 | Pudendal | Perineal muscles |