The Hip Flashcards
Psoas Major
O: T10-L5
I: Lesser trochanter-posterior aspect
Action: Hip flexion
Iliacus
O: superior iliac fossa
I: Lesser trochanter
Action: hip flexion
Psoas Minor
O: Bodies of T12-L1
I: lateral part of superior pubic rams
Action: posterior pelvic tilt
located anterior ro major
TFL
O: ASIS
I: IT band
Action: hip flexion, IR, and abduction
Pectineus
O: superior ramus of pubis
I: pectineal line- posterior side
action: Hip flexion, adduction, some rotation (IR) depending on position of the femur
Rectus Femoris
O: AIIS
I: broad tendon to the patella
Action: hip flexion, knee extension
Sartorius
O: ASIS
I: medial tibia
Action: Hip flexion, ER, knee and internal tibial rotation, abductor
QL
O: rib, T12, and L1-L4
I: posterior iliac crest
Action: hip hike
Gluteus Maximus
O: post gluteal line, dorsal sacrum and coccyx
I: gluteal tuberosity, IT band
Action: hip extension, ER in standing, abduction, IR when flexed
Hamstrings
O: ischial tuberosity
I: biceps femoris- head of fibula; semimembranosis/semitendonosis- medial tibia
Action: hip extension, postural muscle when wt ant to hip axis, membran/tendonosis- IR
Bicep femoris- ER when extended
Piriformis
O: ventral sacrum
I: superior GT
action: ER, abduction, IR when flexed
Obturator Internus
O: internal surface of obturator membrane
I: medial part of GT
Action: ER
Obturator Externus
O: external surface of the obturator membrane
I: Trochanter fossa
Action: ER
Gamellus Superior
O: ischial spine
I: Superior part of obturator internus mm
Action: ER
Gamellus Inferior
O: inferior to sciatic notch near ischial tuberosity
I: Inferior part of obturator internus mm
Action:ER
