Week Eight OIA lower extremity Flashcards

1
Q

Origin of Gluteus maximus

A

Coccyx, edge of sacrum, posterior iliac crest, sacrotuberous and sacroiliac ligaments

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2
Q

Insertion of gluteus maximus

A

IT band (upper fibers) and gluteal tuberosity (lower fibers)

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3
Q

Action of gluteus maximus

A

ALL: extend, abduct and laterally rotate the hip.
Lower: adduct hip

Everything except flexion and medially rotation

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4
Q

Origin of gluteus Medius

A

The gluteal surface of the ilium, between posterior and anterior gluteal lines, is just below the iliac crest.

P-A
Middle of front and back

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5
Q

Insertion of gluteus Medius

A

The lateral aspect of greater trochanter

Med = L

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6
Q

Action of gluteus Medius

A

ALL: abduct, flex, medially rotate hip
POST: extend and laterally rotate hip

Expect adduction

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7
Q

Origin of Gluteus Minimus

A

The gluteal surface of the ilium between the anterior and inferior gluteal lines

Part of AI
I’s in minimus = I in inferior

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8
Q

Insertion of gluteus Minimus

A

The anterior aspect of greater trochanter

Min = anterior

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9
Q

Action of gluteus minimus

A

Abduct, medially rotate, flexion of the hip

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10
Q

Origin of psoas Major

A

Bodies and transverse process of lumbar vertebra

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11
Q

Insertion of psoas major

A

Lesser trochanter

all the major S’s = Lesser

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12
Q

Action of psoas major

A

Flexion, laterally rotate the hip.
Flex the trunk, ant tilt of the pelvis. Assist to laterally flex the lumbar spine.

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13
Q

Origin of Psoas Minor

A

Body and transverse process of first lumbar vertebra

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14
Q

Insertion of psoas Minor

A

Superior ramus of pubis

SRP

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15
Q

Action of psoas Minor

A

assist in creating lumbar lordosis, post lilt of the pelvis

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16
Q

Origin of Iliacus

A

iliac fossa

17
Q

Insertion of iliacus

A

Lesser trochanter

18
Q

Action of iliacus

A

flexion, laterally rotate. FIXED: flex trunk, ant pelvic tilt

19
Q

Origin of Piriformis

A

Anterior surface of sacrum

20
Q

Insertion of piriformis

A

The superior aspect of greater trochanter

21
Q

Action of piriformis

A

Laterally rotate the hip
(Abduct when hip flexed)

22
Q

Origin of Obturator internus

A

Obturator membrane and inferior surface of obturator foreman

Internus = inferior
Obturator = obturator membrane and foreman

23
Q

Insertion of obturator internus

A

Medial surface of greater trochanter

24
Q

Action of obturator internus

A

Laterally rotate hip

25
Origin of obturator externus
Rami of pubis and ischium, obturator membrane
26
Insertion of obturator externus
trochanteric fossa of femur
27
Action of obturator externus
Laterally rotate the hip
28
Origin of Gemellus superior
ischial spine ## Footnote Superior = spine
29
Insertion of Gemellus superior
Medial surface of greater trochanter
30
Action of Gemellus superior
Laterally rotate hip
31
Origin of Gemellus inferior
ischial tuberosity ## Footnote Inferior = ischial
32
Insertion of Gemellus inferior
Medial surface of greater trochanter
33
Action of Gemellus inferior
Laterally rotate hip
34
Origin of quadratus femoris
Lateral border of ischial tuberosity ## Footnote Lateral gemellus inferior
35
Insertion of quadratus femoris
Intertrochanteric crest
36
Action of quadratus femoris
Laterally rotate hip