08a Nerves of Upper and Lower Limbs

Long thoracic nerve

Dorsal scapular nerve

Nerve to subclavius

Suprascapular nerve

Lateral pectoral nerve

Upper subscapular nerve

Lower subscapular nerve

Thoracodorsal nerve

Medial pectoral nerve

Medial brachial cutaneous nerve

Median antebrachial cutaneous nerve

Musculocutaneous nerve

Axillary nerve

Median nerve

Ulnar nerve

Radial nerve

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Femoral nerve

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Sciatic nerve

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Tibial nerve

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Fibular common nerve

Superficial fibular nerve

Deep fibular nerve

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Superior trunk

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Middle trunk

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Inferior trunk

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Anterior division

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Posterior division

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Lateral cord

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Posterior cord

name of the section

Median cord

What is the motor innervation for axillary nerve?

Deltoid

Teres minor

What is the cutaneous innervation of the axillary nerve?

Superolateral arm

What is the motor innervation of the median nerve?

Anterior forearm muscles

Thenar muscles

Lateral 2 lumbricals

What is the cutaneous innervation of the median nerve?

Palmar aspects

Dorsal tips of lateral 3-1/2 digits

What is the motor innervation of the musculocutaneous nerve?

Coracobrachialis

Biceps brachii

Brachialis

What is the cutaneous innervation of the musculocutaneous nerve?

Lateral region of the forearm

What is the motor innervation of the radial nerve?

Brachioradialis

Triceps brachii

Anconeus

Posterior forearm muscles

What is the cutaneous innervation of the radial nerve?

Posterior region of the arm

Posterior region of the forearm

Dorsal aspect of lateral 3 digits except tips

What is the motor innervation of the ulnar nerve?

Intrinsic hand muscles

Anterior forearm muscles

What is the cutaneous innervation of the ulnar nerve?

Dorsal and palmar aspects of medial 1 ½ digits

What is the motor innervation of dorsal scapular nerve?

Rhomboideus

Levator scapulae

What is the motor innervation of the long thoracic nerve?

Serratus anterior

What is the motor innervation of the lateral pectoral nerve?

Pectoralis major

What is the motor innervation of the medial pectoral nerve?

Pectoralis major

Pectoralis minor

What is the cutaneous innervation of the medial brachial cutaneous nerve?

Medial side of the arm

What is the cutaneous innervation of the median antebrachial cutaneous nerve?

Medial side of the forearm

What is the motor innervation of the nerve to subclavius?

Subclavius

What is the motor innervation of the suprascapular nerve?

Supraspinatus

Infraspinatus

What is the motor innervation of the subscapular nerves?

Subscapularis

Teres major

What is the motor innervation of the thoracodorsal nerve?

Latissimus dorsi

What is the motor innervation of the femoral nerve?

Quadriceps femoris

Iliopsoas

Sartorius

Pectineus

What is the cutaneous innervation of the femoral nerve?

Anterior thigh

Inferomedial thigh

Medial side of leg

Most medial aspect of foot

What is the motor innervation of the obturator nerve?

Adductors

Gracilis

Pectineus

Obturator externus

What is the cutaneous innervation of the obturator nerve?

Superiomedial thigh

What is the motor innervation of the iliohypogastric nerve?

Partial innervaton of abdominal muscles

What is the cutaneous innervation of the iliohypogastric nerve?

Superior-lateral gluteal region

Inferior abdominal wall

What is the motor innervation of the ilioinguinal nerve?

Partial innervation of abdominal muscles

What is the cutaneous innervation of the ilioinguinal nerve?

Inferior abdominal wall

Males: scrotum

Females: labia majora

What is the cutaneous innervation of the genitofemoral nerve?

Small area in the anterior-superior thigh

Males: scrotum

Females: labia majora

What is the cutaneous innervation of the lateral femoral cutaneous nerve?

Anterolateral thigh

What is the motor innervation of the tibial nerve?

Posterior thigh

Posterior leg

Plantar foot

What is the cutaneous innervation of the tibial nerve?

Heel and plantar surface

What is the motor innervation of the deep fibular nerve?

Anterior leg muscles

Dorsum foot muscles

What is the cutaneous innervation of the deep fibular nerve?

Dorsal interspace between first and second toes

What is the motor innervation of the superficial fibular nerve?

Fibularis longus
Fibularis brevis

What is the cutaneous innervation of the superficial fibular nerve?

Anteroinferior part of leg

Most dorsum part of foot

What is the motor innervation of the inferior gluteal nerve?

Gluteus maximus

What is the motor innervation of the superior gluteal nerve?

Gluteus medius

Gluteus minimus

Tensor fasciae latae

What is the cutaneous innervation of the posterior femoral cutaneous nerve?

Skin on posterior thigh

What is the motor innervation of the pudendal nerve?

Muscles of perineum

External anal sphincter

External urethral sphincter

What is the cutaneous innervation of the pudendal nerve?

Skin on external genitalia

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Segmental branches

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Superior root of ansa cervicalis

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Inferior root of ansa cervicalis

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Great auricle nerve

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Transverse cervical nerve

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Lesser occipital nerve

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Supraclavicular nerves

What is the motor innervation of the ansa cervicalis?

Geniohyoid

Infrahyoid muscles

What is the motor innervation of the segmental branches?

Anterior and middle scalenes

What is the cutaneous innervation of the greater auricle nerve?

Skin on ear

Connective tissue capsule covering parotid gland

What is the cutaneous innervation of the lesser occipital nerve?

Skin of scalp superior and posterior to ear

What is the cutaneous innervation of the supraclavicular nerve?

Skin of superior part of chest and shoulder

What is the cutaneous innervation of the transverse cervical nerve?

Skin on anterior neck

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Iliohypogastric nerve

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Ilioinguinal nerve

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Genitofemoral nerve

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Lateral femoral cutaneous

What is ipsilateral?

Receptor and effector organs are on the same side

What is contralateral?

Impulses cross spinal cord to activate effector organs on opposite limb

What is monosynaptic?

Sensory axons synapse on motor neurons

What is polysynaptic?

Multiple synapses within pathways