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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
Tensor or Fasciae Latae Origin
ASIS, anterolateral part of iliac crest
26
Tensor of Fasciae Latae Insertion
Iliotibial tract to anterolateral tibial tubercle (Gerdy's Tubercle)
27
Tensor of Fasciae Latae Innervation
Superior Gluteal Nerve (L4-S1)
28
Tensor of Fasciae Latae Action
Thigh: abduction, flexion, medial rotation, tense iliotibial tract
29
Piriformus Origin
Anterior surface of sacrum and of sacrotuberous ligament
30
Piriformus Insertion
Greater trochanter
31
Piriformus Innervation
Ventral Rami S1-S2
32
Piriformus Action
Thigh: lateral rotation, abducts flexed thigh
33
Gemellus Superior Origin
Ischial Spine
34
Gemellus Superior Insertion
Medial surface of greater trochanter
35
Gemellus Superior Innervation
Nerve to Obturator Internus (L5-S2)
36
Gemellus Superior Action
Thigh: lateral rotation, abducts flexed thigh
37
Obturator Internus Origin
Internal margins of obturator foramen, internal surface of obturator membrane
38
Obturator Internus Insertion
Medial surface of greater trochanter
39
Obturator Internus Innervation
Nerve to Obturator Internus (L5-S2)
40
Obturator Internus Action
Thigh: lateral rotation, abducts flexed thigh
41
Gemellus Inferior Origin
Ischial tuberosity
42
Gemellus Inferior Insertion
Medial surface of greater trochanter
43
Gemellus Inferior Innervation
Nerve to Quadratus Femoris (L4-S1)
44
Gemellus Inferior Action
Thigh: lateral rotation, abducts flexed thigh
45
Quadratus Femoris Origin
Ischial tuberosity
46
Quadratus Femoris Insertion
Quadrate tubercle
47
Quadratus Femoris Innervation
Nerve to Quadratus Femoris (L4-S1)
48
Quadratus Femoris Action
Thigh: lateral rotation

Lower Extremity Anatomy (4 decks)

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