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Lower Extremity Anatomy > Glutes and Posterior Thigh > Flashcards

Glutes and Posterior Thigh Flashcards

1
Q

Biceps Femoris

Origin

A

Long head: ischial tuberosity

Short head: lateral lip of linea aspera, lateral supracondylar line

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2
Q

Biceps Femoris

Insertion

A

Lateral fibulae head

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3
Q

Biceps Femoris

Innervation

A

Long head: tibial part of Sciatic Nerve (L4-S3)

Short head: common fibulae part of Sciatic Nerve (L4-S2)

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4
Q

Biceps Femoris

Action

A

Thigh: extension
Leg: flexion, lateral rotation
(Closed chain: trunk extension)

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5
Q

Semitendinosus

Origin

A

Ischial tuberosity

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6
Q

Semitendinosus

Insertion

A

Proximal shaft of medial tibia (Pes Anserine)

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7
Q

Semitendinosus

Innervation

A

Tibial part of Sciatic Nerve (L4-S3)

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8
Q

Semitendinosus

Action

A

Thigh: extension
Leg: flexion, medial rotation
(Closed chain: trunk extension)

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9
Q

Semimembranosus

Origin

A

Ischial tuberosity

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10
Q

Semimembranosus

Insertion

A

Posterior part of medial tibial condyle

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11
Q

Semimembranosus

Innervation

A

Tibial part of Sciatic Nerve (L4-S3)

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12
Q

Semimembranosus

Action

A

Thigh: extension
Leg: flexion, medial rotation
(Closed chain: trunk extension)

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13
Q

Gluteus Maximus

Origin

A

Ilium posterior to posterior gluteal line, dorsal surface of sacrum, lateral coccyx, sacrotuberous ligament

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14
Q

Gluteus Maximus

Insertion

A

Iliotibial tract to anterolateral tibial tubercle (Gerdy’s Tubercle), gluteal tuberosity

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15
Q

Gluteus Maximus

Innervation

A

Inferior Gluteal Nerve (L5-S2)

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16
Q

Gluteus Maximus

Action

A

Thigh: extension, lateral rotation

Closed chain: trunk extension

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17
Q

Gluteus Medius

Origin

A

Ilium between anterior and inferior gluteal lines

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18
Q

Gluteus Medius

Insertion

A

Lateral surface of greater trochanter

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19
Q

Gluteus Medius

Innervation

A

Superior Gluteal Nerve (L4-S1)

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20
Q

Gluteus Medius

Action

A

Thigh: abduction, medial rotation

(Closed chain: keeps pelvis level during gait)*

21
Q

Gluteus Minimus

Origin

A

Ilium between anterior and inferior gluteal lines

22
Q

Gluteus Minimus

Insertion

A

Anterior surface of greater trochanter

23
Q

Gluteus Minimus

Innervation

A

Superior Gluteal Nerve (L4-S1)

24
Q

Gluteus Minimus

Action

A

Thigh: abduction, flexion, medial rotation

25
Q

Tensor or Fasciae Latae

Origin

A

ASIS, anterolateral part of iliac crest

26
Q

Tensor of Fasciae Latae

Insertion

A

Iliotibial tract to anterolateral tibial tubercle (Gerdy’s Tubercle)

27
Q

Tensor of Fasciae Latae

Innervation

A

Superior Gluteal Nerve (L4-S1)

28
Q

Tensor of Fasciae Latae

Action

A

Thigh: abduction, flexion, medial rotation, tense iliotibial tract

29
Q

Piriformus

Origin

A

Anterior surface of sacrum and of sacrotuberous ligament

30
Q

Piriformus

Insertion

A

Greater trochanter

31
Q

Piriformus

Innervation

A

Ventral Rami S1-S2

32
Q

Piriformus

Action

A

Thigh: lateral rotation, abducts flexed thigh

33
Q

Gemellus Superior

Origin

A

Ischial Spine

34
Q

Gemellus Superior

Insertion

A

Medial surface of greater trochanter

35
Q

Gemellus Superior

Innervation

A

Nerve to Obturator Internus (L5-S2)

36
Q

Gemellus Superior

Action

A

Thigh: lateral rotation, abducts flexed thigh

37
Q

Obturator Internus

Origin

A

Internal margins of obturator foramen, internal surface of obturator membrane

38
Q

Obturator Internus

Insertion

A

Medial surface of greater trochanter

39
Q

Obturator Internus

Innervation

A

Nerve to Obturator Internus (L5-S2)

40
Q

Obturator Internus

Action

A

Thigh: lateral rotation, abducts flexed thigh

41
Q

Gemellus Inferior

Origin

A

Ischial tuberosity

42
Q

Gemellus Inferior

Insertion

A

Medial surface of greater trochanter

43
Q

Gemellus Inferior

Innervation

A

Nerve to Quadratus Femoris (L4-S1)

44
Q

Gemellus Inferior

Action

A

Thigh: lateral rotation, abducts flexed thigh

45
Q

Quadratus Femoris

Origin

A

Ischial tuberosity

46
Q

Quadratus Femoris

Insertion

A

Quadrate tubercle

47
Q

Quadratus Femoris

Innervation

A

Nerve to Quadratus Femoris (L4-S1)

48
Q

Quadratus Femoris

Action

A

Thigh: lateral rotation

Lower Extremity Anatomy (4 decks)

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