exam 2 nerves, veins, arteries

nerve plexus

network of spinal nerves

how many pairs of spinal nerves are there?

31

how many pairs of cervical spinal nerves

8

how many pairs of thoracic spinal nerves

12

how many pairs of lumbar spinal nerves

5

how many pairs of coccygeal spinals nerves?

1

myotomes

muscle groups used to test motor function, 10 paired

dermatomes

28 sensory regions for testing

lumbar plexus range

L1 to L4

lumbar plexus location

psoas major

lumbar plexus supplies

abdominal wall, anterior and medial thigh

femoral nerve general info

largest branch on lumbar plexus, passes under inguinal ligament,

femoral nerve innervates

quads, sartorius, iliopsoas

femoral nerve function

hip flexion, knee extension

obturator nerve general

passes through obturator foramen

obturator nerve innervates

adductors

obturator nerve functions

hip adduction

sacral plexus ranges

L4 to S4

sacral plexus supplies

glutes, posterior thigh, leg, foot

sciatic nerve general

largest nerve in body, leaves pelvis via greater sciatic notch, runs under piriformis

what does the sciatic nerve split into

tibial nerve, common fibular nerve

sciatic nerve innervates

entire leg except the anterior/medial thigh

tibial nerve general

runs through popliteal fossa

tibial nerve innervates

hamstrings, posterior leg, foot

tibial nerve function

plantarflexion, toe flexion

common fibular/peroneal nerve superficial function

lateral leg, eversion

common fibular nerve deep

anterior leg, dorsiflexion

common fibular nerve innervates

fibularis, tibialis anterior, hallucis, digitorum longus

superior gluteal nerves

medius

inferior gluteal nerve

maximus

arteries function

carry blood away from heart

arteries order

aorta, common iliac, external iliac, femoral, popliteal, tibial, fibular

internal iliac artery supplies

organs, glutes, pelvis

external iliac artery supplies

lower limbs

where is femoral artery

after inguinal ligament, runs through the anterior thigh

popliteal artery splits into

anterior tibial and posterior tibial

anterior tibial artery supplies

anterior leg and foot

posterior tibial artery supplies

posterior leg and foot

vein function

carries blood toward heart

longest vein in body?

great saphenous vein

varicose veins

dilated vein from weak walls

superficial veins

greater saphenous vein, lesser saphenous vein

deep veins

have same name as arteries

femoral triangle superior boarder

inguinal ligament

femoral triangle lateral boarder

sartorius

femoral triangle medial boarder

adductor longus

contents of femoral triangle

femoral vein, femoral artery, femoral nerve

popliteal fossa lateral boarder

biceps femoris

popliteal fossa medial boarder

semitendinosus, semimembranosus

popliteal fossa inferior border

gastrocnemius

contents of popliteal fossa

popliteal artery, popliteal vein, tibial nerve

tom dik and very nervous harry

tibialis posterior, flexor digitorum longus, posterior tibial artery, posterior tibial vein, tibial nerve, flexor hallucis longus