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Gross Anatomy > Gluteal Muscles > Flashcards

Gluteal Muscles Flashcards

1
Q

Tensor Fascia Latae

A

O: Ilium, iliac crest, anterior lateral lip
I: Femur: IT band to Gerdy’s tubercle and lateral extensor retinaculum to patellar tendon
N: Superior gluteal nerve L45S1
Action: Hip abduction, flexion, IR

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2
Q

Gluteus minimus

A

O: Ilium: external surfaces between anterior and inferior gluteal lines
I: Femur: Greater trochanter anterior surface
N: Superior gluteal nerve L45S1
Action: Hip abduction, IR

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3
Q

Gluteus medius

A

O: Ilium; external surfaces between anterior and posterior gluteal lines
I: Femur greater trochanter lateral surface
N: Superior gluteal nerve L45S1
A: Hip abduction, IR

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4
Q

Gluteus maximus

A

O: Ilium posterior gluteal lines, sacrum and coccyx dorsal surface, sacrotuberous ligament
I: Femur - gluteal tuberosity (1/4), IT band, posterior border (3/4)
N: Inferior gluteal nerve L5S12
Action: Hip extension

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5
Q

Piriformis

A

O: Sacrum- anterior surface
I: Femur - greater trochanter superior aspect
N: Nerve to piriformis (VPR S12)
A: Hip ER, horizontal abduction

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6
Q

Obturator Internus

A

O: Pubis/ischium - medial margin of obturator foramen and membrane
I: Femur- greater trochanter medial aspect
N: Nerve to obt. internus/gemellus superior L5S12
A: Hip ER, horizontal abduction

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7
Q

Gemellus superior

A

O: Ischium- ischial spine
I: Obturator internus - superior border
N: nerve to gemellus superior/ obt. internus L5S12
A: Hip ER, horizontal abduction

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8
Q

Gemellus inferior

A

O: Ischium- ishial tuberosity
I: Obturator internus - inferior border
N: nerve to gemellus inferior/ quadratus femoris L45S1
A: Hip ER, horizontal abduction

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9
Q

Quadratis femoris

A

O: Ischium- ischial tuberosity lateral aspect
I: Femur - quadrate tubercle
N: Nerve to quadratis femoris/gemellus inferior L45S1
A: Hip ER

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10
Q

Obturator Externus

A

O: Pubis/ischium - lateral margin of obturator foramen and membrane
I: Femur - trochanteric fossa
N: Posterior obturator nerve L34
A: Hip ER

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11
Q

Sartorius

A

O: Ilium - ASIS and the 1/2 iliac notch below
I: Femur - pes anserinus (cane)
N: Femoral nerve L23
A: Hip flexion, abduction, ER; knee flexion, IR

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12
Q

Rectus Femoris

A 
O: Straight head: Ilium- AIIS
Reflected head: groove above acetablum
I: Patella - base
Tibia- tibial tuberosity via patellar tendon
N: Femoral nerve L234
A: Knee extension
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13
Q

Vastus Lateralis

A 
O: Femur - Lateral lip of linea aspera
I: Patella  - lateral border
Tibia - tibial tuberosity via patellar tendon
N: Femoral nerve L234
A: Knee extension
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14
Q

Vastus Medialis

A 
O: Femur - medial lip of linea aspera
I: Patella - medial border
Tibia - tibial tuberosity via patellar tendon
N: Femoral nerve L234
A: Knee extension
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15
Q

Vastus intermedius

A

O: Femur - anterior and lateral surface to lateral lip of linea aspera
I: Patella - base
Tibia - tibial tuberosity via patellar tendon
N: Femoral nerve L234
A: Knee extension

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16
Q

Articularis genu

A

O: Femur - distal anterior surface
I: Knee joint capsule superior margin
N: femoral nerve L234
A: pulls Knee capsule up with knee extension

17
Q

Semitendinosus

A

O: Ishium - ischial tuberosity (lower medial aspect)
I: Femur - pes anserinus - lower half
N: Sciatic nerve tibial division L5S12
A: Knee flexion

18
Q

Semimembranosus

A

O: Ischium (upper lateral aspect)
I: Femur - medial condyle, groove for semimembranosus, the reflected insertion into the oblique popliteal groove
N: Sciatic nerve tibial division L5S12
A: Knee flexion

19
Q

Biceps Femoris

A

O: Long head - ischium - ischial tuberosity (upper medial aspect)
Short head - distal lateral lip of linea aspera
I: Fibula, head lateral surface
N: Long head: Sciatic nerve tibial division S123
Short head: Sciatic nerve fibular division L5S12
A: Knee flexion

20
Q

Gracilis

A

O: Ischium/Pubis- Ischiopubic ramus
I: Pes anserinus upper half
N: Anterior Obturator nerve L34
A: Hip adduction, Knee flexion, IR

21
Q

Pectineus:

A

O: pubis - pecten pubis
I: femur - pectineal line
N: Anterior obturator nerve L34
A: Hip adduction, flexion

22
Q

Adductor Longus

A

O: Pubis, body
I: Femur - medial lip of linea aspera, mid 1/3
N: Anterior obturator nerve L34
A: Hip adduction, flexion

23
Q

Adductor brevis:

A

O: Pubis - inferior ramus
I: Femur - medial lip of linea aspera, upper 1/2
N: Anterior or Posterior obturator nerve L34
A: Hip adduction, flexion

24
Q

Adductor magnus

A

O: Ischium/Pubis - ischiopubic ramus
I: Femur - medial margin of gluteal tuberosity, intermediate lip of linea aspera, medial supracondylar ridge, and adductor tubercle
N: Adductor part - posterior obturator nerve L3+4; Hamstring part - Sciatic nerve tibial division L5S12

Gross Anatomy (11 decks)

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