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MABS Anatomy - Thigh, Leg and Foot > Thigh > Flashcards

Thigh Flashcards

1
Q

Pectineus origin?

A

superior ramus of pubis

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2
Q

Pectineus distal?

A

pectineal line of femur

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3
Q

Pectineus innervation?

A

Femoral nerve and may receive a branch from the obturator nerve

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4
Q

Pectineus action?

A

Adducts and flexes thigh, assists with medial rotation of thigh

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5
Q

Psoas major origin?

A

T12-L5 vertebrae

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6
Q

Psoas major distal?

A

lesser trochanter of femur

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7
Q

Psoas major innervation?

A

Anterior rami of lumbar nerves

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8
Q

Psoas major action?

A

to flex the thigh at the hip joint and helps stabilize the joint

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9
Q

Iliacus origin?

A

iliac crest and fossa, ala of sacrum

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10
Q

Illiacus distal?

A

tendon of psoas major, lesser trochanter

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11
Q

Illiacus innervation?

A

Femoral nerve

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12
Q

Illiacus action?

A

flex the thigh at the hip joint and helps stabilize the joint

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13
Q

sartorius origin?

A

anterior superior iliac spine (ASIS)

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14
Q

sartorius distal?

A

superior part of medial surface of tibia

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15
Q

sartorius innervation/action?

A

Femoral nerve; Flexes, abducts and laterally rotates thigh at hip joint; flexes leg at knee joint (medially rotating leg when the knee is flexed)

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16
Q

Quadriceps femoris origin?

A

Rectus femoris: Anterior inferior iliac spine

Vastus lateralis: greater trochanter and lateral lip of linea aspera of femur

Vastus intermedius: anterior and lateral surfaces of the shaft of the femur

Vastus medialis: intertrochanteric line and medial lip of linea aspera of femur

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17
Q

Quadriceps femoris distal?

A

via common tendon (quadriceps tendon) to patella

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18
Q

Quadriceps femoris innervation?

A

Femoral nerve

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19
Q

Quadriceps femoris action?

A

Extend leg at knee joint; rectus femoris also steadies hip joint and helps iliopsoas flex the thigh

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20
Q

adductor longus origin?

A

pubis inferior to pubic crest

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21
Q

adductor longus distal?

A

middle third of linea aspera

22
Q

adductor longus innervation?

A

Obturator nerve

23
Q

adductor longus action?

A

Adducts thigh

24
Q

adductor brevis origin?

A

inferior ramus of pubis

25
Q

adductor brevis distal?

A

pectineal line and proximal part of linea aspera

26
Q

adductor brevis innervation?

A

Obturator nerve

27
Q

adductor brevis action?

A

Adducts thigh

28
Q

adductor magnus - adductor portion origin?

A

inferior ramus of pubis, ischial ramus

29
Q

adductor magnus - adductor portion distal?

A

gluteal tuberosity, linea aspera, medial supracondylar line

30
Q

adductor magnus - adductor portion innervation?

A

Obturator nerve

31
Q

adductor magnus - adductor portion action?

A

Adducts the thigh

32
Q

adductor magnus - hamstring portion origin?

A

ischial tuberosity

33
Q

adductor magnus - hamstring portion distal?

A

adductor tubercle of femur

34
Q

adductor magnus - hamstring portion innervation?

A

Tibial division of the sciatic nerve

35
Q

adductor magnus - hamstring portion action?

A

Extends the thigh

36
Q

gracilis origin?

A

body and inferior ramus of pubis

37
Q

gracilis distal?

A

superior part of medial surface of the tibia

38
Q

gracilis innervation?

A

Obturator nerve

39
Q

gracilis action?

A

Adducts thigh AND flexes leg, helps rotate leg medially

40
Q

semitendinous origin?

A

ischial tuberosity

41
Q

semitendinous distal?

A

medial surface of the superior part of the tibia (pes anserinus)

42
Q

semitendinous innervation?

A

Tibial division of the sciatic nerve (L5, S1, S2)

43
Q

semitendinous action?

A

Extends the hip, flexes the knee and rotates it medially

44
Q

semimembranous origin?

A

ischial tuberosity

45
Q

semimembranous distal?

A

medial tibial condyle, oblique popliteal ligament, popliteus fascia

46
Q

semimembranous innervation?

A

Tibial division of the sciatic nerve (L5, S1, S2)

47
Q

semimembranous action?

A

Extends the hip, flexes the knee and rotates it medially

48
Q

biceps femoris long/short head origin?

A

Long Head: ischial tuberosity
Short Head: linea aspera and supracondylar line of femur

*long head is a hamstring muscle

49
Q

biceps femoris long/short head distal?

A

head of fibula

50
Q

biceps femoris long/short head innervation?

A

Long Head: tibial division of sciatic nerve (L5, S1, S2)

Short Head: common fibular division of sciatic nerve (L5, S1, S2)

51
Q

biceps femoris long/short head action?

A

Flexes leg and rotates it laterally when knee is flexed; extends thigh

MABS Anatomy - Thigh, Leg and Foot (3 decks)

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