The Hip Flexors Flashcards
Name the hip flexor muscles
Psoas major
Iliacus
Rectus Femoris
Sartorius
Pectineus
Psoas major origin
Transverse processes of all lumbar vertebrae
Bodies of 12th thoracic and all lumbar vertebrae and intervertebral disc above all the lumbar vertebrae
Psoas major insertion
Lesser trochanter of the femur
Psoas major nerve supply
Lumbar plexus L2 & 3
Psoas major action
Flexion of the hip, flexion of trunk
Psoas major function
stepping
Iliacus origin
Upper two thirds of Iliac Fossa of the innominate bone.
ala of the sacrum.
iliacus insertion
Lesser Trochanter of the femur
iliacus nerve supply
femoral nerve L2 & 3
iliacus action
hip flexion
iliacus function
stepping
Pectineus origin
Superior Ramus of the pubis, iliopubic eminence and pubic tubercle of the innominate bone.
Pectineus insertion.
pectineal line of femur
pectineus nerve supply
femoral nerve L2 & 3
pectineus action
flexion and adduction of the hip
pectineus functions
stepping & moving leg medially
rectus femoris origin
Anterior inferior iliac spine
reflected head above the acetabulum.
rectus femoris insertion
patella upper border
rectus femoris nerve supply
femoral nerve L 2 3 & 4
rectus femoris action
Hip flexion & knee extension
rectus femoris function
stepping
sartorius origin
anterior superior iliac spine of innominate
sartorius insertion
medial side of tibia with gracilis & semitendinosus
sartorius nerve supply
femoral nerve L2 & 3
sartorius action
Hip & knee flexion
thigh lateral rotation & abduction
medial rotation of tibia on the femur
sartorius function
stepping, high kicks, changing direction of foot
