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Year 2 MSK Anatomy > Thigh > Flashcards

Thigh Flashcards

1
Q

List the anterior muscles of the thigh

A

Sartorius
Iliopsoas
Pectineus
Quadriceps femoris

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2
Q

What is the origin and insertion of sartorius?

A

ASIS of pelvic bone
Anteromedial surface of superior tibia

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3
Q

What is the nerve + arterial supply to sartorius?

A

Femoral nerve
Femoral artery

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4
Q

What movements does sartorius enable?

A

Hip: flexion, abduction, lateral rotation
Knee: flexion

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5
Q

Which 2 muscles make up the prime mover of hip flexion?

A

Iliacus
Psoas major

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6
Q

What is the origin and insertion of iliacus?

A

Iliac fossa
Lesser trochanter of femur

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7
Q

What is the origin and insertion of psoas major?

A

Lumbar spine (transverse processes)
Lesser trochanter of femur

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8
Q

What is the nerve + arterial supply to iliopsoas?

A

Femoral nerve
Medial femoral circumflex artery

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9
Q

Which movements does iliopsoas enable?

A

Hip: flexion

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10
Q

What is the origin and insertion of pectineus?

A

Pectineal line of pubic bone
Pectineal line of femur

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11
Q

What is the nerve + arterial supply to pectineus?

A

Femoral nerve
Obturator artery

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12
Q

Which movements does pectineus enable?

A

Thigh: flexion, adduction

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13
Q

Which 4 muscles make up the quadriceps femoris muscle?

A

Rectus femoris
Vastus intermedius
Vastus medius
Vastus lateralis

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14
Q

What is the origin and insertion of quadriceps femoris?

A

Shaft of femur
Patella

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15
Q

What is the nerve + arterial supply to quadriceps femoris?

A

Femoral nerve
Femoral artery

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16
Q

Which movements does quadriceps femoris enable?

A

Knee: extension
Hip: flexion

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17
Q

What is the main nerve supply to the anterior thigh muscles?

A

Femoral nerve (L2-L4)

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18
Q

List the medial muscles of the thigh

A

Adductor longus
Adductor brevis
Adductor magnus
Obturator externus
Gracilis

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19
Q

What is the origin and insertion of adductor longus?

A

Pubic body
Linea aspera of femur

20
Q

What is the nerve + arterial supply to adductor longus?

A

Obturator nerve
Deep femoral artery

21
Q

Which movements does adductor longus enable?

A

Hip: adduction, flexion

22
Q

What is the origin and insertion of adductor brevis?

A

Pubic body
Linea aspera of femur

23
Q

What is the nerve + arterial supply to adductor brevis?

A

Obturator nerve
Deep femoral artery

24
Q

Which movements does adductor brevis enable?

A

Hip: adduction

25
Q

What is the origin and insertion of adductor magnus?

A

Ischiopubic ramus
Linea aspera of femur/adductor tubercle of femur

26
Q

What is the nerve + arterial supply to adductor magnus?

A

Obturator nerve
Tibial nerve (hamstring part)
Deep femoral artery

27
Q

Which movements does adductor magnus enable?

A

Hip: adduction, flexion, extension

28
Q

What is the origin and insertion of obturator externus?

A

Obturator foramen
Trochanteric fossa of femur

29
Q

What is the nerve + arterial supply to obturator externus?

A

Obturator nerve
Obturator artery

30
Q

Which movements does obturator externus enable?

A

Thigh: adduction, lateral rotation

31
Q

What is the origin and insertion of gracilis?

A

Pubic symphysis
Superomedial tibia

32
Q

What is the nerve + arterial supply to gracilis?

A

Obturator nerve
Medial circumflex femoral artery

33
Q

Which movements does gracilis enable?

A

Hip: flexion, adduction, medial rotation

34
Q

What is the main nerve supply to the medial thigh muscles?

A

Obturator nerve (L2-L4)

35
Q

List the posterior muscles of the thigh

A

Semimembranosus
Semitendinosus
Biceps femoris

36
Q

What is the origin and insertion of semitendinosus?

A

Ischial tuberosity
Tibial tuberosity

37
Q

What is the nerve + arterial supply to semitendinosus?

A

Tibial nerve
Inferior gluteal artery

38
Q

Which movements does semitendinosus enable?

A

Knee: flexion
Hip: extension

39
Q

What is the origin and insertion of semimembranosus?

A

Ischial tuberosity
Medial condyle of tibia

40
Q

What is the nerve + arterial supply to semimembranosus?

A

Tibial nerve
Deep femoral artery

41
Q

Which movements does semimembranosus enable?

A

Knee: flexion
Hip: extension

42
Q

What is the origin and insertion of the long head of biceps femoris?

A

Ischial tuberosity
Head of fibula

43
Q

What is the origin and insertion of the short head of biceps femoris?

A

Linea asper of femur
Head of fibula

44
Q

What is the nerve + arterial supply to biceps femoris?

A

Tibial nerve [long head]
Common fibular nerve [short head]
Deep femoral artery

45
Q

Which movements does biceps femoris enable?

A

Knee: flexion, lateral rotation
Hip: extension

46
Q

What is the main nerve supply to the posterior thigh muscles?

A

Tibial nerve

Year 2 MSK Anatomy (2 decks)

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