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PT 505 Anatomy Lab > Gluteal Region & Posterior Thigh > Flashcards

Gluteal Region & Posterior Thigh Flashcards

1
Q

Gluteus Maximus Origin

A

Ilium posterior to posterior gluteal line; dorsal surface of sacrum and coccyx; sacrotuberous ligament

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2
Q

Gluteus Maximus Insertion

A

Most fibers end in iliotibial tract that inserts into lateral condyle of tibia; some insert on gluteal tuberosity

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3
Q

Gluteus Maximus Action

A

Extends thigh and assists in its lateral rotation; steadies thigh and assists in rising from sitting

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4
Q

Gluteus Maximus Innervation

A

Inferior gluteal nerve (L5, S1, S2)

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5
Q

Gluteus Medius Origin

A

External surface of ilium between anterior and posterior gluteal lines

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6
Q

Gluteus Medius Insertion

A

Lateral surface of greater trochanter of femur

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7
Q

Gluteus Medius Action

A

Abduct and medially rotate thigh; keep pelvis level when ipsilateral limb is WB and advance opposite side during swing phase

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8
Q

Gluteus Medius Innervation

A

Superior Gluteal Nerve (L5, S1)

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9
Q

Piriformis Origin

A

Anterior surface of sacrum; sacrotuberous ligament

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10
Q

Piriformis Insertion

A

Superior border of greater trochanter of femur

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11
Q

Piriformis Action

A

Laterally rotate extended thigh and abduct flexed thigh; steady femoral head in acetabulum

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12
Q

Piriformis Innervation

A

Branches of anterior rami of S1 and S2

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13
Q

Superior Gemellus Origin

A

Ischial Spine

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14
Q

Superior Gemellus Insertion

A

Medial surface of greater trochanter (trochanteric fossa) of femur

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15
Q

Superior Gemellus Action

A

Laterally rotate extended thigh and abduct flexed thigh; steady femoral head in acetabulum

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16
Q

Superior Gemellus Innervation

A

Nerve to obturator internus (L5, S1)

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17
Q

Inferior Gemellus Origin

A

Ischial tuberosity

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18
Q

Inferior Gemellus Insertion

A

Medial surface of greater trochanter (trochanteric fossa) of femur

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19
Q

Inferior Gemellus Action

A

Laterally rotate extended thigh and abduct flexed thigh; steady femoral head in acetabulum

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20
Q

Inferior Gemellus Innervation

A

Nerve to quadratus femoris (L5, S1)

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21
Q

Obturator Internus Origin

A

Pelvic surface of ilium and ischium and obturator membrane

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22
Q

Obturator Internus Insertion

A

Medial surface of greater trochanter of femur

23
Q

Obturator Internus Action

A

Laterally rotate extended thigh and abduct flexed thigh; steady femoral head in acetabulum

24
Q

Obturator Internus Innervation

A

Nerve to obturator internus (L5, S1)

25
Q

Quadratus Femoris Origin

A

Lateral border of ischial tuberosity

26
Q

Quadratus Femoris Insertion

A

Quadrate tubercle on intertrochanteric crest of femur and area inferior to it

27
Q

Quadratus Femoris Action

A

Laterally rotates thigh; steadies femoral head in acetabulum

28
Q

Quadratus Femoris Innervation

A

Nerve to quadratus femoris (L5, S1)

29
Q

Tensor Fascia Lata Origin

A

Anterior superior iliac spine; anterior part of iliac crest

30
Q

Tensor Fascia Lata Insertion

A

Iliotibial tract, which attaches to lateral condyle of tibia

31
Q

Tensor Fascia Lata Action

A

Abduct and medially rotate thigh; keep pelvis level when ipsilateral limb is WB and advance opposite side during swing phase

32
Q

Tensor Fascia Lata Innervation

A

Superior gluteal nerve (L5, S1)

33
Q

Biceps femoris Long Head Origin

A

Ischial tuberosity

34
Q

Biceps femoris Long Head Innervation

A

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

35
Q

Biceps femoris short head origin

A

Linea aspera and lateral supracondylar line of femur

36
Q

Biceps femoris short head Innervation

A

Common fibular division of sciatic nerve (L5, S1, S2)

37
Q

Biceps femoris Insertion

A

Lateral side of head of fibula

38
Q

Biceps femoris Action

A

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

39
Q

Semimembranosus Origin

A

Ischial Tuberosity

40
Q

Semimembranosus Insertion

A

Posterior part of medial condyle of tibia; refected attachement forms oblique popliteal ligament

41
Q

Semimembranosus Action

A

Extend thigh; flex leg and rotate it medially when knee is flexed; extends trunk when thigh and leg are flexed

42
Q

Semimembranosus Innervation

A

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

43
Q

Semitendinosus Origin

A

Ischial Tuberosity

44
Q

Semitendinosus Insertion

A

Medial surface of superior part of tibia (Pes anserine)

45
Q

Semitendinosus Action

A

Extend thigh; flex leg and rotate it medially when knee is flexed; extends trunk when thigh and leg are flexed

46
Q

Semitendinosus Innervation

A

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

47
Q

Adductor Magnus Hamstring Part origin

A

Ischial Tuberosity

48
Q

Adductor Magnus Hamstring Part insertion

A

Adductor tubercle of femur

49
Q

Adductor Magnus Hamstring Part Action

A

Extends thigh

50
Q

Adductor Magnus Hamstring Part Innervation

A

Tibial division of sciatic nerve (L4)

51
Q

Gluteus Minimus Origin

A

External surface of ilium between anterior and inferior gluteal lines

52
Q

Gluteus Minimus Insertion

A

Anterior surface of greater trochanter of femur

53
Q

Gluteus Minimus Action

A

Abduct and medially rotate thigh; keep pelvis level when ipsilateral limb is WB and advance opposite side during swing phase

54
Q

Gluteus Minimus Innervation

A

Superior gluteal nerve (L5, S1)

PT 505 Anatomy Lab (9 decks)

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