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Musculoskeletal Anatomy > Glutes and Posterior Thigh > Flashcards

Glutes and Posterior Thigh Flashcards

1
Q

Gluteus maximus origin

A

External ilium, sacrum, coccyx, sacrotuberous ligament

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2
Q

Gluteus maximus insertion

A

Gluteal tuberosity and iliotibial tract (which inserts on lateral condyle of tibia)

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3
Q

Gluteus maximus action

A

Extend thigh, assist with lateral rotation of thigh

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4
Q

Gluteus maximus innervation

A

Inferior gluteal nerve

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5
Q

TFL origin

A

ASIS, anterior iliac crest

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6
Q

TFL insertion

A

Iliotibial tract

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7
Q

TFL action

A

Stabilization of hip and knee during gait, assists gluteal muscles

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8
Q

TFL innervation

A

Superior gluteal nerve

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9
Q

Gluteus medius origin

A

External ilium

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10
Q

Gluteus medius insertion

A

Greater trochanter

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11
Q

Gluteus medius action

A

Abduct and medially rotate thigh, stabilize pelvis during gait

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12
Q

Gluteus medius innervation

A

Superior gluteal nerve

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13
Q

Gluteus minimis origin

A

External ilium

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14
Q

Gluteus minimis insertion

A

Greater trochanter

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15
Q

Gluteus minimis action

A

Abduct and medially rotate thigh

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16
Q

Gluteus minimis innervation

A

Superior gluteal nerve

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17
Q

Piriformis origin

A

Anterior surface of sacrum

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18
Q

Piriformis insertion

A

Greater trochanter

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19
Q

Piriformis action

A

Lateral rotation of thigh

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20
Q

Piriformis innervation

A

Ventral rami of S1-S2

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21
Q

Superior gemellus origin

A

Ischial spine

22
Q

Superior gemellus insertion

A

Greater trochanter

23
Q

Superior gemellus action

A

Lateral rotation of thigh

24
Q

Superior gemellus innervation

A

Nerve to obturator internus

25
Q

Obturator internus origin

A

Obturator membrane, internal obturator foramen

26
Q

Obturator internus insertion

A

Greater trochanter

27
Q

Obturator internus action

A

Lateral rotation of thigh

28
Q

Obturator internus innervation

A

Nerve to obturator internus

29
Q

Inferior gemellus origin

A

Ischial tuberosity

30
Q

Inferior gemellus insertion

A

Greater trochanter

31
Q

Inferior gemellus action

A

Lateral rotation of thigh

32
Q

Inferior gemellus innervation

A

Nerve to quadratus femoris

33
Q

Quadratus femoris origin

A

Ischial tuberosity

34
Q

Quadratus femoris insertion

A

Intertrochanteric crest

35
Q

Quadratus femoris action

A

Lateral rotation of thigh

36
Q

Quadratus femoris innervation

A

Nerve to quadratus femoris

37
Q

Semitendinosus origin

A

Ischial tuberosity

38
Q

Semitendinosus insertion

A

Superior medial surface of posterior tibia (pes anserinus)

39
Q

Semitendinosus action

A

Extend hip, flex knee

40
Q

Semitendinosus innervation

A

Tibial division of sciatic nerve

41
Q

Semimembranosus origin

A

Ischial tuberosity

42
Q

Semimembranosus insertion

A

Posterior portion of medial tibial condyle

43
Q

Semimembranosus action

A

Extend hip, flex knee

44
Q

Semimembranosus innervation

A

Tibial division of sciatic nerve

45
Q

Biceps femoris origin (long head)

A

Ischial tuberosity

46
Q

Biceps femoris insertion (long head)

A

Head of fibula

47
Q

Biceps femoris action (long head)

A

Extend hip, flex knee
When knee is flexed, it can laterally rotate slightly

48
Q

Biceps femoris inervation (long head)

A

Tibial division of sciatic nerve

49
Q

Biceps femoris origin (short head)

A

Linea aspera and lateral supracondylar line

50
Q

Biceps femoris insertion (short head)

A

Head of fibula

51
Q

Biceps femoris action (short head)

A

Flex knee

52
Q

Biceps femoris innervation (short head)

A

Common fibular/peroneal division of sciatic nerve

Musculoskeletal Anatomy (18 decks)

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