LE Muscle Chart Flashcards
Illiacus
O: illiac fossa
I: lesser trochanter
A: hip flex/ER
N: femoral
Sartorius
O: ASIS
I: medial to tibial tuberosity via pes anserius
A: hip flex/abd/ER, knee flex, tibia IR
N: Femoral
Gluteus medius
O: superior gluteal surface of ilium
I: greater trochanter
A: hip ABD, anterior: flex/IR, posterior: ext/ER
N: sup gluteal
Psoas major
O: last surface of t12-l4 vertebral bodies
I: Lesser trochanter
A: Hip flex, ER, L/S flexion/ipsilateral flexion
N: L1-L3 direct branches from lumbar plexus
Glut max (upper)
O: sacrum, post illiac crest, thoracolumbar fascia
I: illiotibial tract
A: hip ext, ER, ABD
N: inf gluteal
Glut max (lower)
O: sacrum, thoracolumbar fascia, sacrotuberous ligament
I: gluteal tuberosity
A: hip ext, ER, ADD
N: inf gluteal
Glut min
O: inferior gluteal surface of ilium
I: greater trochanter
A: hip ABD, Ant: Flex/IR, Post: Ext/ER
N: sup gluteal
Tensor Fascia Latae
O: ASIS
I: illiotibial tract
A: hip flex/ABD/IR
N: sup gluteal
Piriformis
O: ant surface of sacrum
I: greater trochanter
A: hip ext/ABD/ER
I: L5-S2 from sacral plexus
Gemellus superior
O: ischial spine
I: medial greater trochanter
A: hip ER/Ext, ADD 30 deg of ABD
I: L5, S1 direct from sacral plexus
Gemellus inferior
O: ischial tuberosity
I: medial greater trochanter
A: hip ER/Ext, ADD 30 of ABD
N: L5, S1 direct from sacral plexus
Obturator internis
O: inner surface of Obturator membrane
I: medial greater trochanter
A: hip ER/Ext, ADD 30 deg
N: L5,S1 direct from sacral plexus
Obturator externis
O: outer surface of Obturator membrane
I: trochanteric fossa
A: hip ADD/ER
N: Obturator
Quadratus femoris
O: ischial tuberosity
I: intertrochanteric crest
A: hip ADD/ER
N: L5, S1 from sacral plexus
Pectineus
O: superior pubic ramus
I: proximal linea aspera/pectineal line
A: hip flex/IR/ADD
N: femoral
Adductor longus
O: superior pubic ramus
I: medial lip of linea aspera
A: hip ADD/IR, flex to 70 deg
N: Obturator
Adductor brevis
O: inferior pubic ramus
I: medial lip of linea aspera
A: hip ADD/IR, flex to 70 deg
N: Obturator
Adductor Magnus (ant)
O: inferior pubic ramus/ischial ramus
I: adductor tubercle of femur
A: hip flex/ADD/IR
N: Obturator
Adductor Magnus (post)
O: ischial ramus/ischial tuberosity
I: medial lip of linea aspera
A: hip ADD/ER/Ext
N: tibial
Gracilis
O: inferior pubic ramus
I: medial to tibial tuberosity via pes anserius
A: hip flex/ADD, knee flex, tibia IR
N: Obturator
Rectus femoris
O: AIIS/acetabular roof
I: tibial tuberosity via patellar lig
A: hip flex, knee ext
N: femoral
Vastus medialis
O: medial lip of linea aspera
I: tibial tuberosity via patellar lig
A: knee ext
N: femoral
Vastus lateralis
O: lateral lip of linea aspera
I: tibial tuberosity via patellar lig
A: ext knee
N: femoral
Vastus intermedius
O: anterior femur
I: tibial tuberosity via patellar lig
A: knee ext
N: femoral
