Anterior thigh Flashcards
Origin of Rectus femoris?
Anterior inferior iliac spine, supraacetabular groove
Insertion of Rectus femoris?
Tibial tuberosity and the patella
Action of Rectus femoris?
Flexion of the hip joint, extension of the knee joint
Innervation of Rectus femoris?
Femoral nerve (L2-L4)
Origin of Vastus medialis?
Intertrochanteric line, linear aspera, pectineal line of femur
Insertion of Vastus medialis?
Patella and tibial tuberosity
Action of Vastus medialis?
Extension of the knee joint
Innervation of Vastus medialis?
Femoral nerve (L2-L4)
Origin of Vastus lateralis?
Intertrochanteric line, greater trochanter, gluteal tuberosity, linea aspera
Insertion of Vastus lateralis?
Tibial tuberosity + patella
Action of Vastus lateralis?
Extension of the knee joint
Innervation of Vastus lateralis?
Femoral nerve (L2-L4)
Origin of Sartorius?
Anterior superior iliac spine
Insertion of Sartorius?
Proximal end of tibia below medial condyle of tibia
Action of Sartorius?
Flexion + Abduction + external rotation of the hip joint
Flexion + Internal rotation of the knee joint
Innervation of Sartorius?
Femoral nerve (L2-L3)
Origin of Vastus intermedius?
Anterior surface of femoral shaft
Insertion of Vastus intermedius?
Tibial tuberosity + patella
Action of Vastus intermedius?
Extension of the knee joint
Innervation of Vastus intermedius?
Femoral nerve (L2-L4)
Origin of iliacus?
Iliac fossa
Insertion of iliacus?
Lesser trochanter of the femur
Action of iliacus?
Flexion + lateral rotation of hip joint (trunk and thigh)
Innervation of iliacus?
Femoral nerve (L1-L3)
Origin of psoas major?
Vertebral bodies of T12-L4, vertebral discs of T12-L4, transverse processes of L1-L5
Insertion of psoas major?
Lesser trochanter of femur via the iliacus tendon
Action of psoas major?
Flexion of the thigh and trunk, lateral rotation of the thigh, lateral flexion of trunk
Innervation of psoas major?
Anterior rami of spinal nerves L1-L3
