Anterior Thigh- muscles

Question 1

Psoas major- origin

Answer 1

Posterior abdominal wall (lumbar transverse processes, intervertebral discs, and adjacent bodies from TXII to LV and tendinous arches between these points)

Question 2

Psoas major- insertion

Answer 2

Lesser trochanter of femur

Question 3

Psoas major- innervation

Answer 3

Anterior rami (L1, L2, L3)

Question 4

Psoas major- function

Answer 4

Flexes the thigh at the hip joint

Question 5

Iliacus- origin

Answer 5

Posterior abdominal wall (iliac fossa)

Question 6

Iliacus- insertion

Answer 6

Lesser trochanter of femur

Question 7

Iliacus- innveration

Answer 7

Femoral nerve (L2, L3, L4)

Question 8

Iliacus- function

Answer 8

Flexes the thigh at the hip joint

Question 9

Vastus medialis- origin

Answer 9

Femur- medial part of intertrochanteric line, pectineal line, medial lip of the line aspera, medial supracondylar line

Question 10

Vastus medialis- insertion

Answer 10

Quadriceps femoris tendon and medial border of patella

Question 11

Vastus medialis- innervation

Answer 11

Femoral nerve (L2, L3, L4)

Question 12

Vastus medialis- function

Answer 12

Extends the leg at the knee joint

Question 13

Vastus intermedius- origin

Answer 13

Femur- upper two-thirds of anterior and lateral surfaces

Question 14

Vastus intermedius- insertion

Answer 14

Quadriceps femoris tendon, lateral margin of patella, and lateral condyle of tibia

Question 15

Vastus intermedius- inneration

Answer 15

Femoral nerve (L2, L3, L4)

Question 16

Vastus intermedius- function

Answer 16

Extends the leg at the knee joint

Question 17

Vastus lateralis- origin

Answer 17

Femur- lateral part of intertrochanteric line, margin of greater trochanter, lateral margin of gluteal tuberosity, lateral lip of the line aspera

Question 18

Vastus lateralis- insertion

Answer 18

Quadriceps femoris tendon and lateral margin of patella

Question 19

Vastus lateralis- innervation

Answer 19

Femoral nerve (L2, L3, L4)

Question 20

Vastus lateralis- function

Answer 20

Extends the leg at the knee joint

Question 21

Rectus femoris- origin

Answer 21

Straight head originates from the anterior inferior iliac spine; reflected head originates from the ilium just superior to the acetabulum

Question 22

Rectus femoris- insertion

Answer 22

Quadriceps femoris tendon

Question 23

Rectus femoris- innervation

Answer 23

Femoral nerve (L2, L3, L4)

Question 24

Rectus femoris- function

Answer 24

Flexes the thigh at the hip joint and extends the leg at the knee joint

Question 25

Sartorius- origin

Answer 25

Anterior superior iliac spine

Question 26

Sartorius- insertion

Answer 26

Medial surface of tibia just inferomedial to tibial tuberosity

Question 27

Sartorius- innervation

Answer 27

Femoral nerve (L2, L3)

Question 28

Sartorius- function

Answer 28

Flexes the thigh at the hip joint and flexes the leg at the knee joint

Question 29

Psoas minor- origin

Answer 29

Lateral surface of bodies of TXII and LI vertebrae and intervening vertebral disks

Question 30

Psoas minor- insertion

Answer 30

Pectineal line of the pelvic brim and iliopubic eminence

Question 31

Psoas minor- innervation

Answer 31

Anterior rami of LI

Question 32

Psoas minor- function

Answer 32

Weak flexion of lumbar vertebral column