ANTERIOR MUSCLES

Question 1

SARTORIUS/ tailor muscle(similar movement as that of tailor)

Answer 1

ORIGIN-anterior superior iliac spine and upper half notch below spine
INSERTION-upper part of medial surface of shaft of tibia infront of gracilis and semitendinous
INNERVATION- femoral nerve
ACTION-abductor
lateral rotation thigh
flexion at knee joint

Question 2

RECTUS FEMORIS

Answer 2

ORIGIN-straight head- upper half of anterior inferior iliac spine
reflected head- groove above the margin of acetabulum
INSERTION- base of patella ant. to vastus intermedialis
INNERVATION- femoral nerve
ACTION- extensor of knee, kicking muscle and flexor of hip joint

Question 3

VASTUS LATERALIS

Answer 3

ORIGIN-upper part of intertrochantric line
anterior and inferior borders of greater trochanter
lateral lip of gluteal tuberosity
upper half of lateral lip of line aspera
INSERTION- lateral part of base of patella
INNERVATION-femoral nerve
ACTION-extensor of knee, walking,standing and running

Question 4

VASTUS MEDIALIS

Answer 4

ORIGIN-
INSERTION-
INNERVATION-
ACTION-

Question 5

VASTUS INTERMEDIALIS

Answer 5

ORIGIN-
INSERTION-
INNERVATION-
ACTION-

Question 6

PSOAS MAJOR(dissection purpose)

Answer 6

ORIGIN-
INSERTION-
INNERVATION-
ACTION-

Question 7

ILIACUS(dissection purpose)

Answer 7

ORIGIN-
INSERTION-
INNERVATION-
ACTION-