Deep Hip Flexors + Anterior Thigh

Iliacus - Origin

Iliac fossa

Iliacus - Insertion

Lesser trochanter

Iliacus - Action

Hip flexion, hip external rotation

Iliacus - Innervation

Femoral nerve

Psoas Major - Origin

Bodies and transverse processes of T12-L5

Psoas Major - Insertion

Lesser trochanter

Psoas Major - Action

Hip flexion

Psoas Major - Innervation

Ventral rami L1-L3

Sartorius - Origin

ASIS

Sartorius - Insertion

Anteromedial aspect of superior tibia, contributes to pes anserinus

Sartorius - Action

Hip flexion, abduction, and external rotation; Knee flexion and internal rotation; combined movement

Sartorius - Innervation

Femoral nerve

Rectus Femoris - Origin

Anterior head: AIIS; Posterior head: Rim of acetabulum

Rectus Femoris - Insertion

Tibial tuberosity

Rectus Femoris - Action

Knee extension, hip flexion

Rectus Femoris - Innervation

Femoral nerve

Vastus Lateralis - Origin

Greater trochanter, lateral lip of linea aspera

Vastus Lateralis - Insertion

Tibial tuberosity via quadriceps tendon

Vastus Lateralis - Action

Knee extension

Vastus Lateralis - Innervation

Femoral nerve

Vastus Medialis - Origin

Intertrochanteric line, medial lip of linea aspera

Vastus Medialis - Insertion

Tibial tuberosity via quadriceps tendon

Vastus Medialis - Action

Knee extension

Vastus Medialis - Innervation

Femoral nerve

Vastus intermedius origin

upper anterolateral femoral shaft