Nerves Flashcards
(27 cards)
axillary nerve, Motor
Deltoid (abducts, flexes, and extends arm) Teres minor (laterally rotates arm)
Musculocutaneous Nerve, motor
Anterior arm muscles (flex
humerus, flex elbow joint,
supinate forearm)
Coracobrachialis
Biceps brachii
Brachialis
median nerve, motor
Most anterior forearm
muscles
(pronators, flexors of hands and
digits)
Flexor carpi radialis
Flexor digitorum superficialis
Pronator teres
Pronator quadratus
Lateral 1/2 of flexor digitorum
profundus
Flexor pollicis longus
ulnar nerve, motor
Anterior forearm muscles
(flex hand and digits)
Medial 1/2 of flexor
digitorum profundus
Flexor carpi ulnaris
radial nerve, motor
Posterior arm muscles
(extend forearm)
Triceps brachii
Anconeus
Posterior forearm muscles
(supinate forearm, extend hand,
digits, one muscle that abducts
thumb)
Supinator
Extensor carpi radialis
muscles
Extensor digitorum
Extensor carpi ulnaris
Extensor pollicis longus
Extensor pollicis brevis
Abductor pollicis longus
Brachioradialis (flexes forearm)
femoral nerve, motor
Anterior thigh muscles
Quadriceps femoris
(extends knee)
Rectus femoris
Vastus lateralis
Vastus intermedius
Vastus medialis
Iliopsoas (flexes thigh)
Sartorius (flexes thigh
and leg)
Pectineus1 (flexes thigh)
Obturator Nerve, motor
Medial thigh muscles
(adductors of thigh)
Adductors
Gracilis
Pectineus1
Obturator externus
(laterally rotates thigh)
sciatic nerve, motor
(See tibial and common fibular nerves)
tibial nerve, motor
Posterior thigh muscles (extend thigh and flex leg)
Long head of biceps femoris
Semimembranosus
Semitendinosus
Part of adductor magnus
Posterior leg muscles (plantar flexors of foot,
flexors of knee)
Flexor digitorum longus
Flexor hallucis longus
Gastrocnemius
Soleus
Popliteus
Tibialis posterior (inverts foot)
Plantar foot muscles (via medial and lateral plantar
nerve branches)
common fibular nerve, motor
Short head of biceps femoris (flexes
leg); see also deep fibular and
superficial fibular nerves
Deep Fibular Nerve, motor
Anterior leg muscles (dorsiflex foot, extend
toes) Tibialis anterior (inverts foot) Extensor hallucis longus Extensor digitorum longus Fibularis tertius Dorsum foot muscles (extend toes) Extensor hallucis brevis Extensor digitorum brevis
Superficial Fibular Nerve, motor
Lateral leg muscles (foot evertors
and plantar flexors)
Fibularis longus
Fibularis brevis
Inferior gluteal nerve, motor
Gluteus maximus (extends thigh)
Superior gluteal nerve, motor
Gluteus medius, gluteus minimus, and
tensor fasciae latae (abductors of thigh)
Pudendal nerve, motor
Muscles of perineum, external anal
sphincter, external urethral sphincter
Axillary Nerve, Cutaneous
Innervation
Superolateral arm
Musculocutaneous Nerve, Cutaneous
Innervation
Lateral region of forearm
Median Nerve, Cutaneous
Innervation
Palmar aspects and
dorsal tips of lateral 3-1/2
digits (thumb, index finger,
middle finger, and 1/2 of
ring finger
Ulnar Nerve, Cutaneous
Innervation
Dorsal and palmar aspects of
medial 1-1/2 digits (little finger,
medial aspect of ring finger)
Radial Nerve, Cutaneous
Innervation
Posterior region of arm
Posterior region of
forearm
Dorsal aspect of lateral
three digits (except their
distal tips)
Femoral Nerve, Cutaneous
Innervation
Anterior thigh
lnferomedial thigh
Medial side of leg
Most medial aspect of foot
Obturator Nerve, Cutaneous
Innervation
Superomedial thigh
Sciatic Nerve, cutaneous intervention
(See tibial and
common
fibular nerves)
Tibial Nerve, cutaneous intervention
heel
