Muscle Innervarions Flashcards
Sternocleidomastoid
C1-C4 cervical spinal accessory
Trapezius
C1-C4 cervical spinal accessory
Deep neck muscles
C1-C4 cervical spinal accessory
Upper traps
C1-C4 spinal accessory
C4 myotome
Upper traps
Pec major
C5-8, T1 medial and lateral pectoral
Pec minor
C5-8, T1 medial* and lateral pectoral
Serratus anterior
C5-C7 Long thoracic
Levator scapula
C5 dorsal scapular
Rhomboids
C4-5 dorsal scapular
Supraspinatus
C4-6 suprascapular
Infraspinatus
C4-C6 suprascapular
Latissimus dorsi
C5-8 subscapular and thoracodorsal
Teres major
C5-8 subscapular and thoracodorsal
Subscapularis
C5-8 subscapular and thoracodorsal
Deltoid
C5-6 axillary
Teres minor
C4-5 axillary
C5 myotome
Deltoid
Biceps brachii
C5-6 musculocutaneous
C6 myotome
Biceps
C5 reflex
Biceps
Coracobrachialis
C6-7 musculocutaneous
Brachialis
C5-6 musculocutaneous
Flexor digitorum
C7-T1
4-5 digits - C7-T1 ulnar profundus
2-3 digits - C7-T1 median profundus
Flexor capri ulnaris
C7-T1 ulnar
C7 myotome
Flexor Capri ulnaris
Adductor pollicis
C8-T1 ulnar
Abductor digiti
C8-T1 ulnar quinti
Opponens digiti
C7-T1 ulnar quinti
Flexor digiti quinti
C7-T1 ulnar quinti
Interossi
C8-T1 ulnar
T1 myotome
Interossei
Pronator teres
C6-7 median
Pronator quadratus
C6-7 median
Flexor Capri radialis
C6-7 median
Palmaris longus
C7-T1 median
Flexor pollicis longus
C7-T1 median
Abductor pollicis brevis
C6-T1 median
Flexor pollicis brevis
C6-T1 Median/ulnar
Opponens pollicis
C8-T1 median
Lumbeicals
C8-T1 median/ ulnar
Brachioradialis
C5-C6 radial
C6 reflex
Brachioradialis
C7 reflex
Triceps
Triceps
C6-C8 radial
Anconeus
C6-C8 radial
Extensor Capri radialis
C6-C8 radial
Extensor digitorum
C6-C8 radial
Extensor Capri ulnaris
C6-C8 radial
Supinator
C5-C6 radial
Abductor pollicis longus
C7-8 radial
Extensor pollicis longus
C6-C8 radial
Extensor pollicis brevis
C6-C8 radial
Extensor indicis proprius
C6-C8 radial
Iliopsoas
L1-3 femoral
Sartorius
L2-3 femoral
Quadriceps femoris
L2-4 femoral
L2 myotome
Iliopsoas and sartorius
L3 myotome
Quadriceps femoris
Pectineus
L2-4 obturator
Adductor longus
L2-3 obturator
Adductor brevis
L2-4 obturator
Gracilis
L2-4 obturator
Glute med
L4-S1 superior gluteal
Glute min
L4-S1 superior gluteal
L5 myotome
Glute med and min
Extensor hallucis longus
Tensor fascia lata
L4-5 superior gluteal
Piriformis
L5-S1 sacral plexus
Obturator internus
L5-S1 sacral plexus
Glute max
L4-S2 inferior gluteal
Gemelli
L4-S1 sacral plexus
Quadratus femoris
L4-S1 sacral plexus
Biceps femoris
L5-S2 sciatic
Semitendonosus
L5-S2 sciatic
L5 reflex
Semitendonosus
Semimembranosus
L5-S2 sciatic
Tibialis anterior
L4-5 deep fibular
L4 myotome
Tibialis anterior
Fibularis longus
L5-S1 superior fibular
Fibularus brevis
L5-S1 superior fibular
S1 myotome
Finularis longus and brevis
Tibialis posterior
Popliteus
L4-S1 tibial
Tibialis posterior
L5-S2 tibial
S1 reflexes
Tibialis posterior
Gastroc soleus
Gastroc
L5-S2 tibial
Soleus
L5-S2 tibial
Flexor digitorum longus (foot)
L5-S2 tibial
Flexor hallucis longus
L5-S2 tibial
Flexor digitorum brevis (foot)
L5-S1 medial plantar
Flexor hallucis brevis
L5-S2 medial plantar
Dorsal and plantar interossei
S1-2 lateral plantar
Perineals and sphincters
S2-4 pudendal