Femoral Muscles Flashcards
Sartorius
O: ASIS
I: Medial Tibia (Pes Anserinus)
N: Femoral
A: hip&knee flexion,
LR of thigh,
MR of knee
Rectus Femoris
O: AIIS & Ilium
I: quad femoris tendon
N: femoral
A: Flex hip, extend knee
Vastus Lateralis
O: Lateral lip linea aspera
I: quad femoris tendon & lateral patella
N: Femoral
A: knee extension
Vastus Intermedius
O: anterior lateral femus
I: Quad femoris tendon & lateral patella, lateral tibial condyle
N: femoral
A: knee extension
Vastus Medialis
O: medial side lineament aspera
I: quad femoris tendon, medial patella
N: femoral
A: knee extension
Pectineus
O: pectineal line on pelvis
I: pectineal line of femur
N: femoral
A: adducts & flexes the hip
Adductor Longus
O: pubis inferior to pubic crest
I: middle third of linea aspera
N: obturator
A: adduction of thigh
Adductor Brevis
O: inferior pubic rams
I: proximal linea aspera
N: obturator
A: adduction & flex thigh
Adductor Magnus
O: pubic rams ischial tuberosity
I: gluteal tuberosity, linea aspera, add. tuburcle
N: add: obturator
hams: sciatic (tibial)
Gracilis
O: pubic ramus
I: medial tibia (pes anserinus)
N: obturator
A: thigh add., flexes & IR of lower leg
Obturator Externus
O: External surface of obturator membrane
I: trochanteric fossa of femur (passes post. to femoral neck)
N: LR of Femur
Semitendonosis
O: ischial tuberosity
I: medial tibia (pes anserinus)
N: sciatic (tibial)
A: flexes lower leg & extends thigh
Semimembranosous
O: lateral ischial tuberosity
I: posterior medial tibial condyle
N: sciatic (tibial)
A: flexes lower leg & extends thigh
Biceps Femoris
O: LH= ischial tuberosity
SH= lateral lip linea aspera
I: head of fibula & lateral femoral condyle
N: LH= sciatic (tibial)
SH= sciatic (common fibular
A: Flexes & LR lower leg, thigh extension