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SHB Exam 3 > Anterior Thigh > Flashcards

Anterior Thigh Flashcards

1
Q

What innervates the adductor brevis?

A

Obturator nerve

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2
Q

What is the main action of the adductor brevis?

A

Adducts thigh at hip (weak hip flexor)

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3
Q

What innervates the adductor longus?

A

Obturator nerve (anterior division)

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4
Q

What is the main action of the adductor longus?

A

Adducts thigh at hip

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5
Q

What innervates the adductor magnus?

A

Adductor part: obturator nerve

Hamstring part: sciatic nerve (tibial division)

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6
Q

What is the main action of the adductor magnus?

A

Adductor part: adducts and flexes the thigh

Hamstring part: extends the thigh

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7
Q

What innervates the gracilis?

A

Obturator nerve

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8
Q

What are the main actions of the gracilis?

A

Adducts thigh

Flexes and medially rotates the leg

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9
Q

What innervates the obturator externus?

A

Obturator nerve

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10
Q

What is the main action of the obturator externus?

A

Laterally rotates thigh

Stabilizes head of femur in acetabulum

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11
Q

What innervates the pectineus?

A

Femoral nerve and sometimes obturator nerve

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12
Q

What is the main action of the pectineus?

A

Adducts and flexes thigh at hip

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13
Q

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

A

Ventral rami of first lumbar nerve

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14
Q

What innervates the rectus femoris (quadriceps)?

A

Femoral nerve

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15
Q

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

A

Extends leg at knee joint and flexes thigh at hip joint

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16
Q

What innervates the sartorius?

A

Femoral nerve

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17
Q

What is the main action of the sartorius?

A

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

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18
Q

What innervates the vastus intermedius (quadriceps)?

A

Femoral nerve

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19
Q

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

A

Extends leg at knee joint

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20
Q

What innervates the vastus lateralis (quadriceps)?

A

Femoral nerve

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21
Q

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

A

Extends leg at knee joint

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22
Q

What innervates the vastus medialis (quadriceps)?

A

Femoral nerve

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23
Q

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

A

Extends leg at knee joint

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24
Q

What innervates the articularis genus?

A

Femoral Nerve

25
Q

What is the main action of the articularis genus?

A

Pulls suprapatellar bursa superiorly with extension of the knee

26
Q

What innervates the iliacus (Iliopsoas) ?

A

Femoral Nerve

27
Q

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

A

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

28
Q

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

A

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
Q

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

A

Ventral rami of first lumbar nerve

30
Q

What is the origin of the articularis genus?

A

Distal femur

31
Q

What is the insertion of the articularis genus?

A

Suprapatellar bursa

32
Q

What is the origin of the iliacus (Iliopsoas) ?

A

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

33
Q

What is the insertion of the iliacus (Iliopsoas)?

A

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

34
Q

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

A

Transverse processes of lumbar vertebrae and IVDs

35
Q

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

A

Lesser trochanter of femur

36
Q

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

A

Iliac spine and ilium above the acetabulum

37
Q

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

A

Patella and tibial tuberosity via patellar ligament

38
Q

What is the origin of the sartorius?

A

Iliac spine

39
Q

What is the insertion of the sartorius?

A

The tibia

40
Q

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

A

Body of femur

41
Q

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

A

Patella and tibial tuberosity via patellar ligament

42
Q

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

A

Greater trochanter and lateral lip of linea aspera of femur

43
Q

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

A

Patella and tibial tuberosity via patellar ligament

44
Q

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

A

Intertrochanteric line and medial lip of linea aspera of femur

45
Q

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

A

Patella and tibial tuberosity via patellar ligament

46
Q

What is the origin of Adductor brevis?

A

Body and pubic ramus

47
Q

What is the insertion of Adductor brevis?

A

Pectineal line and linea aspera of femur

48
Q

What is the origin of Adductor longus?

A

Body of pubis inferior to pubic crest

49
Q

What is the insertion of Adductor longus?

A

Linea aspera of femur

50
Q

What is the origin of Adductor magnus?

A

Pubic ramus and ramus of ischium

51
Q

What is the insertion of Adductor magnus?

A

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

Hamstring part: adductor tubercle of femur

52
Q

What is the origin of the Gracilis?

A

Body and inferior ramus of pubis

53
Q

What is the insertion of the Gracilis?

A

Medial surface of tibia

54
Q

What is the origin Obturator externus?

A

Obturator foramen and obturator membrane

55
Q

What is the insertion Obturator externus?

A

Trochanteric fossa of femur

56
Q

What is the origin of the Pectineus?

A

Superior ramus of pubis

57
Q

What is the insertion of the Pectineus?

A

Pectineal line of femur

58
Q

Pes anserinus: component tendons

A 
Some God*mned Tendon
(from medial to lateral)
Sartorius
Gracilis
Semitendinosus
59
Q

Femoral triangle lateral to medial

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

SHB Exam 3 (14 decks)

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