Dermatomes lower limb Flashcards
What nerve may be involved if a patient presents with decreased sensation over the posterior aspect of the hand?
Radial nerve
What nerve root/s contribute to elbow extension
C7
Name the nerve that supplies sensory innervation to the posterior thigh
posterior femoral cutaneous nerve
What nerve root (s) contribute to the long thoracic nerve
C5,C6,C7
What nerve is involved in carpal tunnel syndrome
Median nerve
What nerve root(s) contribute to the lateral cutaneous nerve of the forearm?
C5, C6
What nerve root(s) may be involved if a patient presents with weakness in wrist extension?
C6
What nerve contributes to lateral rotation of the neck via innervation to the sternocleidomastoid?
spinal accessory nerve CN XI
What nerve root contributes to the scapular elevation?
C4
which muscle(s) receives innervation from the thoracodorsal nerve?
Latissimus dorsi
What nerve root may be involved if a patient presents with decreased sensation over the medial malleolus?
L4
what nerve root (s) contributes to knee extension?
L3
What nerve provides sensory innervation to the medial leg?
Saphenous
What nerve root roots contribute to the lateral femoral cutaneous nerve?
L2, L3
What nerve root(s) may be involved if a patient presents with weakness in dorsiflexion?
L4
What nerve root(s) contributes to the obturator nerve?
L2, L3, L4
What nerve contributes to knee flexion?
Sciatic nerve
What nerve contributes to hip flexion?
Femoral nerve
Which muscle(s) receives innervation from the superficial peroneal nerve?
Peroneus Longus and Brevis
what is the dermatome that extends from the anterior top of the shoulder to below the elbow lateral side?
C5
what is the dermatome that extends from lateral one-third down the antebrachium to the middle of the first digit?
C6
what is the dermatome that starts mid-antebrachium and crosses the palm mid-way between the third and fourth digit?
C7
what is the dermatome that takes in the fourth and fifth digit (anterior) of the palm to mid antebrachium?
C8
what is the dermatome that takes up mid-median antebrachium and brachium to proximal one-third of the brachium?
T1
what is the dermatome that encompasses the upper anterior thigh?
L2
what is the dermatome that encompasses the anterior knee above and below
L3
what is the dermatome that takes in the lateral leg and lateral malleoli across the dorsum of the foot to the great toe?
L5
what is the dermatome that takes in the anterior median leg?
L4
what is the dermatome that takes in the medial malleoli and the posterior of the leg?
S1
what is the dermatome that takes in the posterior of the thigh to the gluteal fold?
S2
what is the cutaneous nerve associated with the C4 area?
supraclavicular nerve
what is the cutaneous nerve associated with the C5 area?
axillary nerve
what are the cutaneous nerves associated with the C6 area?
the lower lateral cutaneous nerve of the brachium and lateral cutaneous nerve of the antebrachium
what is the cutaneous nerve associated with the posterior and lateral sides of the thumb?
cutaneous branch of the radial nerve
what is the cutaneous nerve associated with the palm and first three fingers?
median
what is the cutaneous nerve associated with the medial palm and fourth and fifth fingers?
ulnar
what is the cutaneous nerve associated with the T1 dermatome?
the medial cutaneous nerve of the antebrachium
what is the cutaneous nerve associated with the anterior inner arm?
the medial cutaneous nerve of the brachium
what is the cutaneous nerve associated with the anterior lateral side of the thigh?
the lateral femoral cutaneous nerve
what are the cutaneous nerves associated with the anterior of the thigh below the femoral triangle encompassing the knee?
intermediate and medial femoral cutaneous nerves
what is the cutaneous nerve associated with the anterior inner upper thigh?
obturator
what is the cutaneous nerve associated with the anterior lateral upper portion of the leg?
lateral cutaneous branch of common peroneal
what is the cutaneous nerve associated with the anterior lower portion of the leg?
cutaneous branch of the superficial peroneal nerve
what is the cutaneous nerve associated with the dorsum of the foot?
cutaneous branch of deep peroneal nerve
what is the cutaneous nerve associated with the medial malleolus and inner ankle of the foot?
medial calcaneal nerve
what is the cutaneous nerve associated with the inner leg from above the malleolus to below the knee?
saphenous nerve
what nerve is responsible for the motor function of extension below the shoulder of all arm, wrist, and proximal finger joints; forearm supination, and thumb abduction in the plane of the palm?
Radial
what nerve loses sensory perception with neuropathy associated with the posterior cutaneous nerve of the arm, the posterior cutaneous nerve of the forearm all dorsal digital nerves?
Radial
what nerve is responsible for thumb flexion and opposition, flexion of digits two and three, wrist flexion and abduction, and forearm pronation
Median
what nerve is responsible for the motor function of finger adduction and abduction (other than the thumb), thumb adduction, flexion of digits 4 and 5 wrist flexion, and adduction
ulnar
what nerve is responsible for the motor function of arm abduction at the shoulder beyond 15 degrees
Axillary
what nerve is responsible for the motor function of arm flexion at the elbow and supination of the forearm
Musculocutaneous
what nerve is responsible for the motor function of leg flexion at the hip and leg extension at the knee?
Femoral
what nerve is responsible for the motor function of adduction of the thigh?
obturator
what nerve is responsible for the motor function of leg flexion at the knee
Sciatic
what nerve is responsible for the motor function of foot plantar flexion and inversion and toe flexion?
Tibial
What nerve is responsible for the motor function of foot eversion
Superficial peroneal
what nerve is responsible for the motor function of foot dorsiflexion and toe extension
Deep peroneal
what are the nerves roots and the nerve associated with the motor innervation of the trapezius?
spinal accessory nerve CN XI ,C3,C4
what are the nerve roots and the nerve associated with the motor innervation of the diaphragm?
phrenic nerve C3 C4 C5
what are the nerve roots and the nerve associated with the motor function of the rhomboids?
dorsal scapular nerve C4 C5
What are the nerve roots and the nerve associated with the motor function of the levator scapular?
dorsal scapular nerve C3 C4 C5
what are the nerve roots and the nerve associated with the motor innervation of the serratus anterior?
Long Thoracic nerve C5, C6, C7
what are the nerve roots and the nerve associated with the motor innervation of the clavicular head of the pectoralis major?
Lateral pectoral nerve C6,C7,C8,T1
what are the nerve roots and the nerve associated with the motor innervation of the sternal head of the pectoralis major?
Medial Pectoral nerve C6,C7,C8,T1
what are the nerve roots and the nerve associated with the motor innervation of the pectoralis minor?
Medial Pectoral Nerve C6,C7,C8
what are the nerve roots and the nerve associated with the motor innervation of the supraspinatus and infraspinatus?
Suprascapular nerve C5,C6
what are the nerve roots and the nerve associated with the motor innervation of the subscapularis?
Subscapular nerve C5,C6
what are the nerve roots and the nerve associated with the motor innervation of the teres major?
Subscapular nerve C5,C6,C7
what are the nerve roots and the nerve associated with the motor innervation of the Latissimus Dorsi?
Thoracodorsal nerve C5,C6,C7
what are the nerve roots and the nerve associated with the motor innervation of the Teres Minor?
Axillary nerve C5,C6
what are the nerve roots and the nerve associated with the motor innervation of the Deltoid?
Axillary nerve C5,C6
what are the nerve roots and the nerve associated with the motor innervation of the Biceps Brachii?
Musculocutaneous nerve C5,C6
what are the nerve roots and the nerve associated with the motor innervation of the Brachialis?
Musculocutaneous nerve C5,C6
what are the nerve roots and the nerve associated with the motor innervation of the Coracobrachialis?
Musculocutaneous nerve C6,C7
what are the nerve roots and the nerve associated with the motor innervation of the Triceps?
Radial nerve C6,C7,C8
what are the nerve roots and the nerve associated with the motor innervation of the Brachioradialis?
Radial nerve C5,C6
what are the nerve roots and the nerve associated with the motor innervation of the Extensor Carpi Radialis?
Radial nerve C5,C6
what are the nerve roots and the nerve associated with the motor innervation of the Supinator?
Posterior Interosseous Nerve (branch of radial nerve) C6,C7
what nerve and associated nerve roots provide the motor function for extensor carpi ulnaris, extensor digitorum communis, extensor digiti quinti, abductor pollicis longus, extensor pollicis (longus and brevis), and extensor indicis proprius?
Posterior Interosseous Nerve (branch of radial nerve) C7,C8
what nerve and associated nerve roots provide the motor function for pronator teres and flexor carpi radialis?
Median Nerve C6,C7
what nerve and associated nerve roots provide the motor function for palmaris longus and flexor digitorum superficialis?
Median Nerve C7,C8, T1
what nerve and associated nerve roots provide the motor function for lumbricals I and II, opponens pollicis, abductor pollicis brevis, and flexor pollicis brevis? these are all affected by carpal tunnel syndrome.
Median Nerve C8, T1
what nerve and associated nerve roots provide the motor function for flexor digitorum profundus (digits 2,3) and flexor pollicis longus?
anterior interosseous nerve (branch of the median nerve) C7,C8
what are the nerve roots and the nerve associated with the motor innervation of the pronator quadratus?
anterior interosseous nerve (branch of the median nerve) C7,C8,T1
what are the nerve roots and the nerve associated with the motor innervation of the flexor carpi ulnaris?
Ulnar nerve C7,C8,T1
what are the nerve roots and the nerve associated with the motor innervation of the flexor digitorum profundis (digits 4,5)?
Ulnar nerve C7,C8
what are the nerve roots and the nerve associated with the motor innervation of the lumbricals (III and IV), Palmer interossei, dorsal interossei, flexor pollicis brevis (deep head), adductor pollicis and the muscles of the hypothenar eminence?
Ulnar nerve C8, T1
what are the nerve roots and the nerve associated with the motor innervation of the obturator externus, adductor longus, adductor magnus,adductor brevis, and gracilis?
obturator L2,L3,L4
what are the nerve roots and the nerve associated with the motor innervation of the iliacus?
Femoral nerve L1,l2,L3
what are the nerve roots and the nerve associated with the motor innervation of the psoas?
Femoral nerve L2,L3,L4
what are the nerve roots and the nerve associated with the motor innervation of the quadriceps?
Femoral nerve L2,L3,L4
what are the nerve roots and the nerve associated with the motor innervation of the pectineus and sartorius?
Femoral nerve L2,L3,L4
what are the nerve roots and the nerve associated with the motor innervation of the adductor magnus?
Sciatic Nerve L4,L5,S1
what are the nerve roots and the nerve associated with the motor innervation of the hamstring muscles?
Sciatic nerve L5,S1,S2
what are the nerve roots and the nerve associated with the motor innervation of the triceps surae muscles?
Tibial Nerve S1,S2
what are the nerve roots and the nerve associated with the motor innervation of the popliteus?
Tibial nerve L4,L5,S1
what are the nerve roots and the nerve associated with the motor innervation of the tibialis posterior?
Tibial nerve L4,L5
what are the nerve roots and the nerve associated with the motor innervation of the plantaris?
Tibial nerve L4,L5,S1
what are the nerve roots and the nerve associated with the motor innervation of the flexor digitorum longus and flexor hallucis longus?
Tibial nerve L5, S1,S2
what are the nerve roots and the nerve associated with the motor innervation of the small foot muscles?
Tibial nerve S1,S2
what are the nerve roots and the nerve associated with the motor innervation of the peroneus longus and peroneus brevis?
superficial peroneal nerve L5,S1
what are the nerve roots and the nerve associated with the motor innervation of the tibialis anterior?
deep peroneal nerve L4,L5
what are the nerve roots and the nerve associated with the motor innervation of the extensor digitorum longus and extensor hallucis longus?
deep peroneal nerve L5,S1
what are the nerve roots and the nerve associated with the motor innervation of the peroneus tertius?
deep peroneal nerve L4,L5,S1
what are the nerve roots and the nerve associated with the motor innervation of the extensor digitorum brevis?
deep peroneal nerve L5,S1
what are the nerve roots and the nerve associated with the motor innervation of the gluteus medius, gluteus minimus, and tensor fasciae latae?
superior gluteal nerve L4,L5,S1
what are the nerve roots and the nerve associated with the motor innervation of the gluteus maximus?
inferior gluteal nerve L5,S1,S2