Anterior Lower extremity Flashcards
Tensor fascia lata origin
crest/ ilium
Tensor fascia lata insertion
iliotibial tract
Tensor fascia lata action
Helps stabilize the knee
Tensor fascia lata innervation
superior gluteal (L4, L5, S1)
ILIACUS origin
ILIAC fossa
ILIACUS insertion
Lesser Trochanter/ femur
ILIACUS action
Flexion of the femur at the hip
ILIACUS innervation
femoral (L2,L3,L4)
Psoas Major origin
Bodies and transverse processes/ lumbars
Psoas Major insertion
Lesser Trochanter/ femur
Psoas Major action
Flexion of the femur at the hip
Psoas Major innervation
femoral (L2,L3,L4)
Psoas minor origin
bodies/lumbar vertebrae
Psoas minor insertion
iliopubic eminence/ pubis
Psoas minor action
Flexion/ pelvic bone
Psoas minor innervation
L1 (sometimes L2)
Sartorius origin
anterior SUPERIOR iliac spine
Sartorius insertion
superior medial shaft/ tibia
Sartorius action
abducts and laterally rotates the femur
Sartorius innervation
femoral nerve (L2,L3,L4)
Rectus femoris origin
anterior INFERIOR iliac spine
Rectus femoris insertion
Base/ patella
Rectus femoris action
extends the leg at the knee
Rectus femoris innervation
femoral nerve (L2,L3,L4)
Vastus medialis origin
linea aspera/ femur
Vastus medialis insertion
Base/ patella
Vastus medialis action
extends the leg at the knee
Vastus medialis innervation
femoral nerve (L2,L3,L4)
Vastus Lateralis origin
greater trochanter and linea aspera/femur
Vastus Lateralis insertion
Base/ patella
Vastus Lateralis action
extends the leg at the knee
Vastus Lateralis innervation
femoral nerve (L2,L3,L4)
Vastus intermedius origin
anterior-lateral aspect and line aspera/femur
Vastus intermedius insertion
Base/ patella
Vastus intermedius action
extends the leg at the knee
Vastus intermedius innervation
femoral nerve (L2,L3,L4)
Iliopsoas insertion
lesser trochanter/ femur
Iliopsoas action
flexion of the femur at the hip
Iliopsoas innervation
femoral (L2,L3,L4)
Gracilis origin
ramus/ischium and inferior ramus/pubis
Gracilis insertion
superior medial shaft/ tibia
Gracilis action
aDDucts the femur
Gracilis innervation
obturator (L2,L3, L4)
Pectinus origin
superior ramus (pubic pecten)/ramus
Pectinus insertion
PECTINEAL line/ femur
Pectinus action
aDDucts the femur
Pectinus innervation
femoral (L2,L3,L4) and obturator (L2,L3,L4)
Adductor Longus origin
Superior Ramus/ pubis
Adductor Longus insertion
linea aspera/ femur
Adductor Longus action
aDDucts the femur
Adductor Longus innervation
obturator (L2,L3,L4)
Adductor brevis origin
Inferior ramus/ pubis
Adductor brevis insertion
pectineal line and linea aspera/femur
Adductor brevis action
aDDucts the femur
Adductor brevis innervation
obturator (L2,L3,L4)
Adductor Magnus origin
rami/ischium and pubis
Adductor Magnus insertion
linea aspera and adductor tubercle/femur
Adductor Magnus action
aDDucts the femur
Adductor Magnus innervation
obturator (L2,L3,L4) and sciatic (L4-S3)