Thigh muscles attachments Flashcards Preview

Anatomy term 2 > Thigh muscles attachments > Flashcards

Flashcards in Thigh muscles attachments Deck (68)
Loading flashcards...
1

What are 3 compartments that make up the thigh muscles?

1. anterior
2. medial
3. posterior

2

What are the muscles in the anterior compartment of the thigh? (7)

1. psoas major
2. iliacus
3. vastus medialis
4. vastus intermedius
5. vastus lateralis
6. rectus femoris
7. sartorius

3

What is the origin of psoas major?

1. posterior abdominal wall - lumbar transverse processes

2. adjacent bodies from TXII to LV

3. tendinous arches between TXII to LV

4

What is the insertion of psoas major?

lesser trochanter of the femur

5

What is the innervation of psoas major?

anterior rami (L1, L2, L3)

6

What is the function of psoas major?

Flexes thigh at the hip joint

7

What is the origin of iliacus?

posterior abdominal wall - iliac fossa

8

What is the insertion of iliacus?

lesser trochanter of femur

9

What is the innervation of iliacus?

femoral nerve

10

What is the function of iliacus?

flexes the thigh at hip joint

11

What is the origin of vastus medialis? (4)

femur

1. medial part of the intertrochanteric line
2. pectineal line
3. medial lip of linea aspera
4. medial supracondylar line

12

What is the insertion of vastus medialis? (2)

1. quadriceps femoris tendon
2. medial border of patella

13

What is the innervation of vastus medialis?

femoral nerve

14

What is the function of vastus medialis?

extends the leg at the knee joint

15

What is the origin of vastus intermedius?

femur

1. upper 2/3rds of anterior and lateral surfaces

16

What are the insertions for vastus intermedius? (3)

1. quadriceps femoris tendon
2. lateral margin of patella
3. lateral condyle of tibia

17

What is the innervation of vastus intermedius?

femoral nerve

18

What is the function of vastus intermedius?

extends the leg at the knee joint

19

What is the origin of vastus lateralis? (4)

femur

1. lateral part of intertrochanteric line
2. margin of greater trochanter
3. lateral margin of gluteal tuberosity
4. lateral lip of the linea aspera

20

What are the insertion of vastus lateralis? (2)

1. quadriceps femoris tendon
2. lateral margin of patella

21

What is the innervation to vastus lateralis?

femoral nerve

22

What is the function of vastus lateralis?

extends the leg at knee joint

23

What is the origin of rectus femoris?

1. straight head originates from the AIIS
2. reflected head originates from the ilium just superior to the acetabulum

24

What is the insertion for rectus femoris?

quadriceps femoris tendon

25

What is the innervation for rectus femoris?

femoral nerve

26

What is the function of rectus femoris? (2)

1. flexes the thigh at hip joint
2. extends the leg at the knee joint

27

What is the origin for sartorius?

ASIS

28

What is the insertion for sartorius?

medial surface of tibia - just inferomedial to the tibial tuberosity

29

What is the innervation to sartorius?

femoral nerve

30

What is the function for sartorius?

1. flexed the thigh at the hip joint
2. flexes the leg at knee joint