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Flashcards in Anterior Thigh Deck (59):
1

What innervates the adductor brevis?

Obturator nerve

2

What is the main action of the adductor brevis?

Adducts thigh at hip (weak hip flexor)

3

What innervates the adductor longus?

Obturator nerve (anterior division)

4

What is the main action of the adductor longus?

Adducts thigh at hip

5

What innervates the adductor magnus?

Adductor part: obturator nerve
Hamstring part: sciatic nerve (tibial division)

6

What is the main action of the adductor magnus?

Adductor part: adducts and flexes the thigh
Hamstring part: extends the thigh

7

What innervates the gracilis?

Obturator nerve

8

What are the main actions of the gracilis?

Adducts thigh
Flexes and medially rotates the leg

9

What innervates the obturator externus?

Obturator nerve

10

What is the main action of the obturator externus?

Laterally rotates thigh
Stabilizes head of femur in acetabulum

11

What innervates the pectineus?

Femoral nerve and sometimes obturator nerve

12

What is the main action of the pectineus?

Adducts and flexes thigh at hip

13

What innervates the psoas major in the region of the anterior thigh?

Ventral rami of first lumbar nerve

14

What innervates the rectus femoris (quadriceps)?

Femoral nerve

15

What is the main action of the rectus femoris (quadriceps)?

Extends leg at knee joint and flexes thigh at hip joint

16

What innervates the sartorius?

Femoral nerve

17

What is the main action of the sartorius?

Abducts, laterally rotates, and flexes the thigh and flexes the knee joint

18

What innervates the vastus intermedius (quadriceps)?

Femoral nerve

19

What is the main action of the vastus intermedius (quadriceps)?

Extends leg at knee joint

20

What innervates the vastus lateralis (quadriceps)?

Femoral nerve

21

What is the main action of the vastus lateralis (quadriceps)?

Extends leg at knee joint

22

What innervates the vastus medialis (quadriceps)?

Femoral nerve

23

What is the main action of the vastus medialis (quadriceps)?

Extends leg at knee joint

24

What innervates the articularis genus?

Femoral Nerve

25

What is the main action of the articularis genus?

Pulls suprapatellar bursa superiorly with extension of the knee

26

What innervates the iliacus (Iliopsoas) ?

Femoral Nerve

27

What is the main action of the iliacus (Iliopsoas)?

Flexes hip and stabilizes hip joint; acts with the psoas major

28

What are the main actions of the psoas major (Iliopsoas)?

Acting superiorly with the iliacus, flexes the hip
Acting inferiorly with iliacus, flexes trunk
Acting inferiorly, flexes vertebral column laterally
Used to balance trunk in sitting position

29

What innervates the psoas major in the region of the anterior thigh?

Ventral rami of first lumbar nerve

30

What is the origin of the articularis genus?

Distal femur

31

What is the insertion of the articularis genus?

Suprapatellar bursa

32

What is the origin of the iliacus (Iliopsoas) ?

The iliac fossa, iliac crest, sacrum, and sacro-iliac ligaments

33

What is the insertion of the iliacus (Iliopsoas)?

Lesser trochanter of femur and shaft inferior to it, to psoas major tendon

34

What is the origin of the psoas major (Iliopsoas)?

Transverse processes of lumbar vertebrae and IVDs

35

What is the insertion of the psoas major (Iliopsoas)?

Lesser trochanter of femur

36

What is the origin of the rectus femoris (quadriceps)?

Iliac spine and ilium above the acetabulum

37

What is the insertion of the rectus femoris (quadriceps)?

Patella and tibial tuberosity via patellar ligament

38

What is the origin of the sartorius?

Iliac spine

39

What is the insertion of the sartorius?

The tibia

40

What is the origin of the vastus intermedius (quadriceps)?

Body of femur

41

What is the insertion of the vastus intermedius (quadriceps)?

Patella and tibial tuberosity via patellar ligament

42

What is the origin of the vastus lateralis (quadriceps)?

Greater trochanter and lateral lip of linea aspera of femur

43

What is the insertion of the vastus lateralis (quadriceps)?

Patella and tibial tuberosity via patellar ligament

44

What is the origin of the vastus medialis (quadriceps)?

Intertrochanteric line and medial lip of linea aspera of femur

45

What is the insertion of the vastus medialis (quadriceps)?

Patella and tibial tuberosity via patellar ligament

46

What is the origin of Adductor brevis?

Body and pubic ramus

47

What is the insertion of Adductor brevis?

Pectineal line and linea aspera of femur

48

What is the origin of Adductor longus?

Body of pubis inferior to pubic crest

49

What is the insertion of Adductor longus?

Linea aspera of femur

50

What is the origin of Adductor magnus?

Pubic ramus and ramus of ischium

51

What is the insertion of Adductor magnus?

Adductor part: Gluteal tuberosity, linea aspera, medial supracondylar line

Hamstring part: adductor tubercle of femur

52

What is the origin of the Gracilis?

Body and inferior ramus of pubis

53

What is the insertion of the Gracilis?

Medial surface of tibia

54

What is the origin Obturator externus?

Obturator foramen and obturator membrane

55

What is the insertion Obturator externus?

Trochanteric fossa of femur

56

What is the origin of the Pectineus?

Superior ramus of pubis

57

What is the insertion of the Pectineus?

Pectineal line of femur

58

Pes anserinus: component tendons

Some God*mned Tendon
(from medial to lateral)
Sartorius
Gracilis
Semitendinosus

59

Femoral triangle lateral to medial

NAVEL
Nerve (directly behind sheath)
Artery (within sheath)
Vein (within sheath)
Empty space (between vein and lymph
Lymphatics (with deep inguinal node)