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anatomy 3 exam

Terms

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attachments of sartorius
prox: ASIS dis: medial side of tibia
innervation of sartorius
femoral nerve
mm of medial compartment
adductor longus, adductor brevis, adductor magnus, gracilis
innervation of deep-posterior compartment
tibial nerve
actions of deep-posterior compartment
plantarflexion of ankle (all), flexion of toes (FHL, FDL), inversion of foot (TP)
muscles of deep-posterior compartment
flexor hallucis longus, flexor digitorum longus, tibialis posterior
actions of superficial-posterior compartment
plantarflexion of ankle
attachments of gastrocnemius
prox: posterior femur (condyles) dis: calcaneous
mm of superficial-posterior compartment
triceps surae, gastrocnemius, soleus
attachments of Hcompartment
dis: phalanges, metatarsals, tarsals (plantar side)
innervation of superficial-posterior compartment
tibial nerve
mm. of buttock region
gluteus max/med/min
attachments of g. maximus
prox: iliac crest, sacrum dist: IT band, posterior femur
attachments of g medius
prox: external surface of ilium gluteal lines dist: greater trochanter
attachments of g. minimus
prox: external surface of ilium gluteal lines dist: greater trochanter
innervation of g maximus
inferior gluteal nerve
innervation of g medius and minimus
superior gluteal nerve
lateral rotators
piriformis, obturator internus superior and inferior gemellus, quadratus femoris
attachments of lateral rotators
prox: pelvic girdle dist: greater trochanter of femur
action of lateral rotators
lateral rotation of femur
action of g max
powerful thigh extensor, laterally rotates femur, back extension
action of g med and min
abduction at hip, medial rotation of femur, stablize pelvis during walking.
mm of anterior compartment
iliopsoas: iliacus, psoas major
attachments of iliacus
prox: iliac fossa dis: lesser trochanter
attachments of psoas major
prox: lumbar vertebrae dis: lesser trochanter
actions of iliopsoas
primary flexor of thigh (agonist)
innervation of iliopsoas
femoral nerve
mm of quadriceps femoris
rectus femoris, vastus lateralis, vastus intermedius, vastus medialis
attachments of rectus femoris
prox: AIIS dis: tibular tuberosity via patellar tendon
attachments of vastus lateralis
prox: linea aspera dis: tibular tuberosity via patellar tendon
attachments of vastus intermedius
prox: femur dis: tibular tuberosity via patellar tendon
attachments of vastus medialis
prox: linea aspera dis: tibular tuberosity via patellar tendon
actions of quadriceps femoris
extension at knee. RF also felxes and steadies hip joint.
innervation of quadriceps femoris
femoral nerve
attachments of medial compartment mm
prox: pubic bone dis: lineral aspera (gracilis: medial side of proximal tibia)
actions of medial compartment mm:
primarily adduction
innervation of medial compartment mm
obturator nerve
mm of posterior compartment
hamstring group: biceps femoris, semitendinosus, semimembranosus
attachments of biceps femoris long head
prox: ischial tuberosity dis: fibula (head)
attachments of semitendinosus
prox: ischial tuberosity dis: tibia
attachments of semimembranosus
prox: ischial tuberosity dis: tibia
actions of posterior compartment
flexes leg/extends thigh
innervation of posterior compartment
sciatic nerve
anterior compartment of foot
Tibialis anterior, extensor digitorum longus, hallucis longus
attachments of ant (foot) compartmnet
distal: (EDL/EHL) dorsum of phalanges
actions of ant (foot) compartment
dorsiflexion of ankle (all), extension of toes (EDL,EHL), inversion of foot (TA)
innervation of ant (foot) compt.
deep fibular (peroneal) nerve
mm of lateral comp.
fibularis longus/brevis
attachment of lateral compartment
prox: fibula dis: tarsals and metatarsals
action of lat comp.
eversion of foot
innervation of lat comp.
superficial fibular (peroneal) nerve

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