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Lower Limb > Gluteal Muscles > Flashcards

Gluteal Muscles Flashcards

1
Q

Gluteus Maximus

Origin

Insertion

A

Origin:

  • Behind pos. iliac line
  • Sacrum
  • Sacrotuberous lig.

Insertion:

  • Deep part- Gluteal tuberosity
  • Superficial part (larger)- Iliotibial tract (to lat. tibia)
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2
Q

Gluteus Maximus

Blood Supply

Action

Innervation

A

Blood Supply:

  • Sup./inf. gluteal arteries

Action:

  • Extends hip/knee
  • Strenuous extension e.g. climbing stairs “anti-gravity muscle”

Innervation:

  • Inferior gluteal n.
  • (L5-S2)
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3
Q

Gluteus Medius

Origin

Insertion

A

Origin:

  • Lateral ilium between anterior and posterior gluteal lines

Insertion:

  • Greater trochanter
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4
Q

Gluteus Medius

Blood Supply

Action

Innervation

A

Blood Supply:

  • Sup. gluteal artery

Action:

  • Abductor
  • Ant. part- medial rotation
  • Also stabilise body in swing period when opp. limb is off the ground

Innervation:

  • Superior gluteal n.
  • (L4-S1)
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5
Q

Gluteus Minimus

Origin

Insertion

A

Origin:

  • Lateral ilium between anterior and inferior gluteal lines

Insertion:

  • Greater trochanter (anterior to medius)
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6
Q

Gluteus Minimus

Blood Supply

Action

Innervation

A

Blood Supply:

  • Sup. gluteal artery

Action:

  • Abductor
  • Ant. part- medial rotation
  • Also stabilise body in swing period when opp. limb is off the ground

Innervation:

  • Superior gluteal n.
  • (L4-S1)
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7
Q

Tensor Fascia Lata

Origin

Insertion

A

Origin:

  • ASIS

Insertion:

  • Ant. iliotibial tract (which attaches to lat. tibia)
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8
Q

Tensor Fascia Lata

Blood Supply

Action

Innervation

A

Blood Supply:

  • Sup. gluteal artery

Action:

  • Flexes hip
  • Extends knee
  • Medial rotation

Innervation:

  • Sup. gluteal n.
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9
Q

Piriformis

Origin

Insertion

A

Origin:

  • Ant. sacrum

Insertion:

  • Trochanteric fossa
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10
Q

Piriformis

Action

Innervation

A

Action:

  • Lateral rotator

Innervation:

  • N. to piriformis (S1-3)
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11
Q

Obturator Internus

Origin

Insertion

A

Origin:

  • Obturator membrane

Insertion:

  • Trochanteric fossa (between gemelli muscles)
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12
Q

Obturator Internus

Action

Innervation

A

Action:

  • Lateral rotator

Innervation:

  • N. to obturator (L5-S2)
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13
Q

Quadratus Femoris

Origin

Insertion

A

Origin:

  • Ischial tuberosity

Insertion:

  • Quadrate tubercle
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14
Q

Quadratur Femoris

Action

Innervation

A

Action:

  • Lateral rotator

Innervation:

  • N. to quadratus femoris
  • (L4-S1)
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Lower Limb (8 decks)

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