MSK - Muscles of the Anterior Thigh (Hip Flexors) Flashcards Preview

ESA 2 > MSK - Muscles of the Anterior Thigh (Hip Flexors) > Flashcards

Flashcards in MSK - Muscles of the Anterior Thigh (Hip Flexors) Deck (24):
1

Name the hip flexors (5)

- Psoas Major
- Psoas Minor
- Iliacus
- Pectineus
- Sartorius

2

What do the Psoas Major and Iliacus blend together to form?

Iliopsoas muscle

3

What is the origin of the Psoas Major?

T12 - L5 Vertebrae

4

What is the insertion point of the Psoas Major?

Lesser trochanter of the femur where it merges with the iliacus

5

What is the innervation of the Psoas Major?

Anterior rami of L1-L3

6

What are the actions of the Psoas Major?

- Flexion of the leg at the hip joint

- Assists in lateral rotation of the hip joint

7

What is the origin of the Psoas Minor?

T12-L1

8

What is the insertion of the Psoas Minor?

Iliopectineal Arch

9

What is the innervation of the Psoas Minor?

- Anterior ramus of L1

10

What are the actions of Psoas Minor?

- Stabilisation of pelvis and hip joint

- Weak flexion of the lumbar column

11

What is the origin of the Iliacus?

- Iliac fossa of the pelvis

12

What is the insertion of the Iliacus?

The lesser trochanter of the femur where it merges with the psoas major

13

What is the innervation of the Iliacus?

Femoral Nerve

14

What are the actions of the Iliacus?

- Flexion of the leg at the hip joint

- Lateral rotation of the hip joint

15

Describe the Pectineus

- Flat

- Base of the femoral triangle

16

What is the origin of the Pectineus?

Superior Pubic Rami

17

Where does the Pectineus insert?

Pectineal line of the femur

18

What is the innervation of the Pectineus?

- Femoral nerve

- Has a branch from the obturator nerve

19

What are the actions of the Pectineus?

- Adduction of the hip joint

- Flexion of the hip joint

20

Describe the Sartorius

- Longest muscle in the body

- Runs inferiomedially on the leg

- Most superficial muscle

21

What is the origin of the Sartorius?

- Anterior superior iliac spine (ASIS)

22

Where does the Sartorius insert?

The superior, medial surface of the tibia

23

What is the innvervation of the Sartorius?

Femoral Nerve

24

What are the actions of the Sartorius?

- Flexion, abduction and lateral rotation of the hip joint

- Flexion of the knee joint

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