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Anterior Thigh Muscles
Origins, insertions, innervation, action, and blood supply of the muscles of the anterior thigh
40
Anatomy
Graduate
09/15/2011

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Term
Iliopsoas/psoas major: origin
Definition
sides of vertebrae TXII to LV and transvers processes of LI to LV
Term
Iliopsoas/psoas major: insertion
Definition
lesser trochanter of femur
Term
Iliopsoas/psoas major: innervation
Definition
anterior rami of lumbar nerves (L1 to L3)
Term
Iliopsoas/psoas major: action
Definition
flexes thigh at hip and stabilizes the hip
Term
Iliopsoas/psoas major: blood supply
Definition
lumbar branches of iliolumbar a.
Term
Iliacus: origin
Definition
iliac crest, iliac fossa, ala of sacrum, and anterior sacro-iliac ligaments
Term
Iliacus: insertion
Definition
tendon of psoas major and body of femur, inferior to lesser trochanter
Term
Iliacus: innervation
Definition
femoral n. (L2,L3)
Term
Iliacus: action
Definition
flexes thigh at hip and stabilizes the hip
Term
Iliacus: blood supply
Definition
iliac branches of iliolumbar a.
Term
Tensor fasciae latae: origin
Definition
anterior superior iliac spine and anterior part of external lip of iliac crest
Term
Tensor fasciae latae: insertion
Definition
iliotibial tract that attaches to lateral condyle of tibia
Term
Tensor fasciae latae: innervation
Definition
superior gluteal n. (L4,L5)
Term
Tensor fasciae latae: action
Definition
abducts, medially rotates and flexes the thigh, stabilizes trunk on thigh
Term
Tensor fasciae latae: blood supply
Definition
superior gluteal aa., lateral circumflex femoral a.
Term
Sartorius: origin
Definition
anterior superior iliac spine and superior part of notch inferior to it
Term
Sartorius: insertion
Definition
superior part of medial surface of tibia (pes anserinus)
Term
Sartorius: innervation
Definition
femoral n. (L2,L3)
Term
Sartorius: action
Definition
abducts, medially rotates and flexes the thigh
Term
Sartorius: blood supply
Definition
femoral a.
Term
Quadriceps femoris, rectus femoris: origin
Definition
anterior inferior iliac spine and groove superior to acetabulum
Term
Quadriceps femoris, rectus femoris: insertion
Definition
base of patella via patellar ligament
Term
Quadriceps femoris, rectus femoris: innervation
Definition
femoral n. (L2 to L4)
Term
Quadriceps femoris, rectus femoris: action
Definition
extends the leg at the knee joint and flexes the thigh at the hip joint
Term
Quadriceps femoris, rectus femoris: blood supply
Definition
lateral circumflex femoral a., deep femoral a.
Term
Vastus lateralis: origin
Definition
greater trochanter and lateral lip of linea aspera of femur
Term
Vastus lateralis: insertion
Definition
base of patella via patella ligament
Term
Vastus lateralis: innervation
Definition
femoral n. (L2 to L4)
Term
Vastus lateralis: action
Definition
extends the leg at the knee joint
Term
Vastus lateralis: blood supply
Definition
lateral circumflex femoral a., deep femoral a.
Term
Vastus medialis: origin
Definition
intertrochanteric line and medial lip of linea aspera of femur
Term
Vastus medialis: insertion
Definition
base of patella via patellar ligament
Term
Vastus medialis: innervation
Definition
femoral n. (L2 to L4)
Term
Vastus medialis: action
Definition
extends the leg at the knee joint
Term
Vastus medialis: blood supply
Definition
femoral a., deep femoral a.
Term
Vastus intermedius: origin
Definition
anterior and lateral surfaces of body of femur
Term
Vastus intermedius: insertion
Definition
base of patella via patellar ligament
Term
Vastus intermedius: innervation
Definition
femoral n. (L2 to L4)
Term
Vastus intermedius: action
Definition
extends the leg at the knee joint
Term
Vastus intermedius: blood supply
Definition
lateral circumflex femoral a., deep femoral a.
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