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Lab 6a.4
N/A
45
Anatomy
Undergraduate 2
10/24/2009

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Term
What is the origin of the psoas major m?
Definition
bodies and transverse processes of lumbar vertebrae
Term
What is the insertion of the psoas major m?
Definition
lesser trochanter of femur
Term
What is the action of the psoas major m?
Definition
flex thigh
Term
What is the innervation of the psoas major m?
Definition
lumbar ventral rami
Term
What is the origin of the iliacus m?
Definition
iliac fossa
Term
What is the insertion of the iliacus m?
Definition
lesser trochanter of femur
Term
What is the action of the iliacus m?
Definition
flex thigh
Term
What is the innervation of the iliacus m?
Definition
Femoral n.
Term
Iliopsoas m
Definition
Inferior to the inguinal ligament the 2 muscles merge and share a common insertion
Term
What is the origin of the gluteus maximus m?
Definition

  • posterior ilium
  • sacrum
  • coccyx
  • sacrotuberous ligament

Term
What is the insertion of the gluteus maximus m?
Definition

  • iliotibial tract
  • gluteal tuberosity of the femur

Term
What is the action of the gluteus maximus m?
Definition
Extends and assists in lateral rotation of the thigh
Term
What is the innervation of the gluteus maximus m?
Definition
Inferior gluteal n.
Term
What is the origin of the gluteus medius m?
Definition
Lateral surface of the ilium
Term
What is the insertion of the gluteus medius m?
Definition
lateral surface of greater trochanter
Term
What is the action of the gluteus medius m?
Definition
abducts thigh
Term
What is the innervation of the gluteus medius m?
Definition
superior gluteal n.
Term
What is the origin of the gluteus minimus m?
Definition
Lateral surface of the ilium inferior to the origin of the glutues medius m
Term
What is the insertion of the gluteus minimus m?
Definition
anterior surface of the greater trochanter
Term
What is the action of the gluteus minimus m?
Definition
Abducts and medially rotates thigh
Term
What is the innervation of the gluteus minimus m?
Definition
Superior gluteal n.
Term
What is the origin of the tensor fasciae latae m?
Definition

  • iliac crest
  • anterior superior iliac spine

Term
What is the insertion of the tensor fasciae latae m?
Definition
iliotibial tract
Term
What is the action of the tensor fasciae latae m?
Definition
abducts and flexes thigh
Term
What is the innervation of the tensor fasciae latae m?
Definition
Superior gluteal n.
Term
What is the origin of the rectus femoris m?
Definition
anterior inferior iliac spine
Term
What is the insertion of the rectus femoris m?
Definition
tibial tuberosity via patellar tendon
Term
What is the action of the rectus femoris m?
Definition
extends leg, flexes thigh
Term
What is the innervation of the rectus femoris m?
Definition
femoral n.
Term
What is the origin of the vastus lateralis m?
Definition

  • greater trochanter of femur
  • lateral margin of the linea aspera

Term
What is the insertion of the vastus lateralis m?
Definition
Tibial tuberosity via patellar tendon
Term
What is the action of the vastus lateralis m?
Definition
extends leg
Term
What is the innervation of the vastus lateralis m?
Definition
femoral n.
Term
What is the origin of the vastus intermedius m?
Definition
anterior and lateral surface of femur
Term
What is the insertion of the vastus intermedius m?
Definition
tibial tuberosity via patellar tendon
Term
What is the action of the vastus intermedius m?
Definition
extend leg
Term
What is the innervation of the vastus intermedius m?
Definition
femoral n.
Term
What is the origin of the vastus medialis m?
Definition
medial margin of linea aspera
Term
What is the insertion of the vastus medialis m?
Definition
Tibial tuberosity via patellar tendon
Term
What is the action of the vastus medialis m?
Definition
Extends leg
Term
What is the innervation of the vastus medialis m?
Definition
Femoral n.
Term
What is the origin of the sartorius m?
Definition
anterior superior iliac spine
Term
What is the insertion of the sartorius m?
Definition
medial surface of proximal tibia
Term
What is the action of the sartorius m?
Definition

  • Flexes leg
  • Flexes and laterally rotates thigh

Term
What is the innervation of the sartorius m?
Definition
Femoral n.
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