Lec 12 - Thigh

Question 1

What are the 5 muscles that flex the thigh?

Answer 1

illiopsoas, rectus femoris, sartorius, pectineus, hip flexion,

Question 2

What muscle attaches to the lesser trochanter of the femur and its functions?

Answer 2

iliopsoas, L2, L3

• Flex the thigh at hip joint
• Flex the spinal column when femur fixed

Question 3

What are the functions of the sartorius muscle?

Answer 3

• flexion, abduction, lateral rotation of the thigh

- flexes and medially rotates the knee

Question 4

What muscles attached to the ASIS?

Answer 4

sartorius, rectus femoris

Question 5

What edge of the femoral condyle is raised to prevent patella dislocation?

Answer 5

The lateral edge

Question 6

Where do the hip adductors originate and their innervation?

Answer 6

The pubic bone to linea aspera (medial femur)

- obturator nerve L2-4

Question 7

What are the origin, insertion, and action of gracillis?

Answer 7

pubic bone to the medial tibia

• adducts thigh
• flexes the leg at knee joints
• medial rotation of the leg with knee fixed

Question 8

From an anterior view - list the Pes Anserenus muscles

Answer 8

Sartorius, gracillis, semitendinosus

Question 9

What forms the femoral triangle?

Answer 9

inguinal ligament superiorly
- Sartorius laterally,
adductor longus medially

Question 10

What are the origin, insertion, innervation, and action of Adductor Magnus?

Answer 10

Nerve: obturator and tibial (hamstring part)
A: Adducts thigh and extends hip