Nerve Innervations Flashcards
Quadriceps
L2, L3, L4
Femoral Nerve
Tibialis posterior
L5, S1
Sciatic Nerve
Tibial Nerve
Lateral thigh
L2, L3
Lateral femoral cutaneous nerve
Abductor digiti quinti pedis (ADQP)
S1, S2
Sciatic Nerve
Tibial Nerve
Lateral plantar nerve
Short head of Biceps femoris
L5, S1 Sciatic Nerve (Fibular division)
Extensor digitorum brevis (EDB)
L4, L5, S1
Sciatic Nerve
Deep fibular nerve
Tensor fascia lata
L4, L5, S1
Superior gluteal nerve
Medial plantar surface of foot
L4, L5
Sciatic Nerve
Tibial Nerve
Medial plantar nerve
Gastrocnemius
S1, S2
Sciatic Nerve
Tibial Nerve
Semimembranosus
L4, L5, S1 Sciatic Nerve (Tibial division)
Tibialis anterior (TA)
L4, L5
Sciatic Nerve
Deep fibular nerve
Gracilis
L2, L3, L4
Obturator Nerve
Abductor hallucis brevis (AHB)
S1, S2
Sciatic Nerve
Tibial Nerve
Medial plantar nerve
Fibularis brevis
L5, S1
Sciatic Nerve
Superficial fibular nerve
Iliopsoas
L2, L3, L4
Femoral Nerve
Gluteus maximus
L5, S1, S2
Inferior gluteal nerve
Medial shin, Medial Calf
L2, L3, L4
Femoral Nerve
Saphenous Nerve
Flexor digitorum longus (FDL)
L5, S1
Sciatic Nerve
Tibial Nerve
Adductors
L2, L3, L4
Obturator Nerve
Flexor hallucis brevis (FHB)
S1, S2
Sciatic Nerve
Tibial Nerve
Medial plantar nerve
Extensor digitorum longus (EDL)
L4, L5
Sciatic Nerve
Deep fibular nerve
Gluteus medius, Gluteus minimus
L4, L5, S1
Superior gluteal nerve
Lateral plantar surface of foot
S1, S2
Sciatic Nerve
Tibial Nerve
Lateral plantar nerve
Soleus
S1, S2
Sciatic Nerve
Tibial Nerve
Long head of Biceps
L4, L5, S1 Sciatic Nerve (Tibial division)
Fibularis longus
L5, S1
Sciatic Nerve
Superficial fibular nerve
Extensor hallucis longus (EHL)
L4, L5, S1
Sciatic Nerve
Deep fibular nerve
Semitendinosus
L4, L5, S1 Sciatic Nerve (Tibial division)
Flexor carpi radialis
C6, C7
Upper and Middle trunk
Lateral cord
Median nerve
Flexor digitorum profundus 2, 3
C7, C8, T1 Middle and Lower trunk Medial cord Median nerve Anterior interosseous nerve (AIN)
Latissimus dorsi
C6, C7, C8
Upper, Middle, Lower trunk
Posterior cord
Thoracodorsal nerve
Opponens pollicis
C8, T1
Lower trunk
Medial cord
Median nerve
Extensor carpi ulnaris
C7, C8 Middle and Lower trunk Posterior cord Radial nerve Posterior interosseous nerve (PIN)
Pectoralis major
C5, C6, C7, C8, T1
Upper, Middle, Lower trunk
Medial and Lateral cord
Medial and Lateral Pectoral nerves
Biceps brachii
C5, C6
Upper trunk
Lateral cord
Musculocutaneous nerve
Medial antebrachial cutaneous nerve (MAC)
C8, T1
Lower trunk
Medial cord
(Skin over medial forearm)
Trapezius
C3, C4
Spinal accessory nerve
Flexor digitorum superficialis
C7, C8
Middle and Lower trunk
Medial and Lateral cord
Median nerve
Serratus anterior
C5, C6, C7
Long thoracic nerve
Flexor pollicis longus
C7, C8, T1 Middle and Lower trunk Medial and Lateral cord Median nerve Anterior interosseous nerve (AIN)
Lumbricals 3, 4
C8, T1
Lower trunk
Medial cord
Ulnar nerve
Anconeus
C6, C7, C8
Upper, Middle, Lower trunk
Posterior cord
Radial nerve
Rhomboids
C4, C5
Dorsal scapular nerve
Abductor pollicis brevis
C8, T1
Lower trunk
Medial cord
Median nerve
Extensor carpi radialis longus
C6, C7
Upper and Middle trunk
Posterior cord
Radial nerve
Extensor digitorum
C7, C8 Middle and Lower trunk Posterior cord Radial nerve Posterior interosseous nerve (PIN)
Deltoid
C5, C6
Upper trunk
Posterior cord
Axillary nerve
Flexor digitorum profundus 4, 5
C7, C8, T1
Middle and Lower trunk
Medial cord
Ulnar nerve
SCM (sternocleidomastoid)
C3, C4
Spinal accessory nerve
Pronator teres
C6, C7
Upper and Middle trunk
Lateral cord
Median nerve
Lateral antebrachial cutaneous nerve (LAC)
C5, C6
Upper trunk
Lateral cord
Musculocutaneous nerve
(Skin over lateral forearm)
Flexor carpi ulnaris
C8, T1
Lower trunk
Medial cord
Ulnar nerve
Triceps
C6, C7, C8
Upper, Middle, Lower trunk
Posterior cord
Radial nerve
Lumbricals 1, 2
C8, T1
Lower trunk
Medial cord
Median nerve
Extensor indicis propius
C7, C8 Middle and Lower trunk Posterior cord Radial nerve Posterior interosseous nerve (PIN)
Teres minor
C5, C6
Upper trunk
Posterior cord
Axillary nerve
Interossei muscles
C8, T1
Lower trunk
Median cord
Ulnar nerve
Pronator quadratus
C7, C8, T1 Middle and Lower trunk Medial and Lateral cold Median nerve Anterior interosseous nerve (AIN)
Brachioradialis
C5, C6
Upper trunk
Posterior cord
Radial nerve
First dorsal interosseous
C8, T1
Lower trunk
Medial cord
Ulnar nerve
Supraspinatus, Infraspinatus (through spinoglenoid notch)
C5, C6
Upper trunk
Suprascapular nerve
Flexor pollicis brevis
C8, T1
Lower trunk
Medial cord
Median nerve
Brachialis
C5, C6
Upper trunk
Lateral cord
Musculocutaneous nerve
Abductor digiti mini
C8, T1
Lower trunk
Medial cord
Ulnar nerve