Nerves Flashcards
What nerve supplies the skin of the medial arm and forearm?
The medial cutaneous nerve
List the motor functions of the upper and lower subscapular nerves
- Subscapularis (upper and lower)
- Teres major (lower only)
What area of skin is supplied by the common fibular nerve?
The lateral knee
What nerve supplies the skin of the lateral shoulder?
The axillary nerve
What nerve supplies the skin of the lateral surface of the foot?
Tibial nerve
What nerve supplies the skin of the medial thigh?
Obturator nerve
What nerve supplies the skin of the posterior thigh?
Posterior femoral cutaneous nerve
What areas of skin are supplied by the median nerve?
Thumb, index finger, middle finger, lateral 1/2 of ring finger, lateral 2/3 of palm
List the motor functions of the tibial nerve
- Hamstrings
- Biceps femoris
- Semitendonosous
- Semimembranosous
- Gastrocnemius
- Plantaris
- Soleus
- Tibialis posterior
- Flexor digitorum longus
- Flexor hallucis longus
What area of skin is supplied by the ulnar nerve?
pinky finger, medial 1/2 of middle finger, medial 1/3 of hand
What nerve supplies the skin of the posterior surface of the arm and forearm?
The radial nerve (also supplies posteriolateral hand)
What area of skin is supplied by the femoral nerve?
anterior thigh and medial leg
List the motor functions of the superior gluteal nerve
- Gluteus medius
- Gluteus minimus
- Tensor fasciae latae
What nerve supplies the skin of the lateral forearm?
musculocutaneous nerve
List the motor functions of the superficial fibular nerve
- Fibularis longus
- Fibularis brevis
all and only lateral
List the motor functions of the ulnar nerve (hint: there are 10)
- Flexor carpi ulnaris
- Flexor digitorum profundus (with median)
- Adductor pollicis
- Flexor pollicis brevis (with median)
- All hypothenar muscles
- abductor digiti minimi
- flexor digiti minimi brevis
- opponens digiti minimi
- All palmar muscles
- lumbricals (with median)
- palmar interossei
- dorsal interossei
What area of skin is supplied by the medial cutaneous nerve?
Medial arm and forearm
List the motor functions of the musculocutaneous nerve
- Coracobrachialis
- Brachialis
- Biceps brachii
What area of skin is supplied by the radial nerve?
Posterior arm and forearm, posteriolateral hand
What nerve supplies the skin of the dorsum of the foot?
The superficial fibular nerve
List the motor functions of the obturator nerve
- Adductor longus
- Adductor brevis
- Adductor magnus
- Pectineus (also by femoral)
- Gracilis
List the motor functions of the radial nerve? (hint: there are 12)
- Triceps brachii
- Brachioradialis
- Extensor carpi radialis longus
- Extensor carpi radialis brevis
- Extensor digitorum
- Extensor digiti minimi
- Extensor carpi ulnaris
- Supinator
- Adbuctor pollicis longus
- Extensor pollicis brevis
- Extensor pollicis longus
- Extensor indicis
List the motor functions of the suprascapular nerve
- Supraspinatus
- Infraspinatus
List the motor functions of the medial and lateral pectoral nerves
- Pectoralis major (medial and lateral)
- Pectoralis minor (medial only)
List the motor functions of the accessory nerve (cranial nerve XII)
- Trapezius
- (Sternocleidomastoid)
What nerve supplies the skin of the posterior leg?
Tibial nerve
What nerve supplies the skin of the lateral knee?
The common fibular nerve
What area of skin is supplied by the musculocutaneous nerve?
The lateral forearm
List the motor functions of the throacodorsal nerve
- Latissimus dorsi
List the motor functions of the axillary nerve
- Deltoid
- Teres minor
What area of skin is supplied by the superficial fibular nerve?
Lateral leg, dorsum of foot
List the motor functions of the long thoracic nerve
- Serratus anterior
What does the sciatic nerve supply?
Nothing, trick question. Sciatic nerve splits into tibial and common fibular.
List the motor functions of the median nerve (hint: there are 11)
- Pronator teres
- Flexor carpi radialis
- Palmaris longus
- Flexor digitorum superficialis
- Flexor pollicis longus
- Pronator quadratus
- Flexor digitorum profundus (with ulnar)
- Abductor pollicis brevis
- Flexor pollicis brevis (with ulnar)
- Opponens pollicis
- Lumbricals
What area of skin is supplied by the tibial nerve?
posterior leg, lateral surface and sole of foot
What nerve supplies the skin of the pinky finger, medial 1/2 of middle finger, and medial 1/3 of hand
Ulnar nerve
What nerve supplies the skin of the thumb, index finger, middle finger, lateral 1/2 of ring finger, and lateral 2/3 of palm
median nerve
What area of skin is supplied by the obturator nerve?
medial thigh
What nerve supplies the skin of the sole of the foot?
Tibial nerve
List the motor functions of the femoral nerve
- Iliacus
- Quadriceps
- rectus femoris
- vastus lateralis
- vastus medialis
- vastus intermedius
- Sartorius
- Pectineus (also by obturator)
What area of skin is supplied by the axillary nerve?
Lateral shoulder
What nerve supplies the skin of the anterior thigh and medial leg?
Femoral nerve
What nerve supplies the skin of the posteriolateral surface of the hand?
The radial nerve (also supplies posterior arm and forearm skin)
What area of skin is supplied by the posterior femoral cutaneous nerve?
The posterior thigh
List the motor functions of the inferior gluteal nerve
- Gluteus maximus
List the motor functions of the dorsal scapular nerve
- Rhomboids (major and minor)
- Levator scapulae
What nerve supplies the skin of the lateral leg?
the superficial fibular nerve
List the motor functions of the deep fibular nerve
- Tibialis anterior
- Extensor digitorum longus
- Fibularis tertius
- Extensor hallucis longus
