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Colin OS2 Midterm > Innominates > Flashcards

Innominates Flashcards

1
Q

What are the three bones of the pelvis?

A

Pubis
Ilium
Ischium

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2
Q

What is the origin and instertion of the Inguinal Ligament?

A

ASIS –> Pubic Tubercle

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3
Q

What is the origin and insertion of the Sacrospinous Ligament?

A

Anterior, lateral surface of the sacrum –> Spine of the Ischium

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4
Q

What is the origin and insertion of the Iliolumbar Ligament?

A

5th Lumbar Vertebrae –> Ilium

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5
Q

What is the Origin and Insertion of the Anterior Sacroiliac Ligament?

A

Anterior, lateral surface of the Sacrum –> Ilium

Covers the anterior side of the Sacro-Iliac Joint

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6
Q

What is the Origin and Insertion of the Sacrotuberous Ligament?

A

Anterior, lateral surface of the Sacrum –> Ischial Tuberosity

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7
Q

What is the Origin and Insertion of the Posterior Sacroiliac Ligament?

A

Posterior, lateral surface of sacrum –> Ilum

Covers the posterior side of the Sacro-iliac Joint

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8
Q

What muscle has part of its origin on the Sacrospinous Ligament?

A

Coccygeus M.

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9
Q

What structures attach to the Sacrotuberous Ligament?

A

Gluteus Maximus M.

Tendon of the Biceps Femoris M.

Pelvic Fascia

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10
Q

Where would you find the Interosseous Sacroiliac ligament?

A

Interosseous means between bones.

Interosseous Sacroiliac Ligament is between the ilium and the sacrum and attaches posterosuperiorly to the joint

It is covered by the Posterior Sacroiliac Ligament

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11
Q

How do the inominates move during the gate cycle?

A

When you extend your leading leg ahead of you for a heel strike, the ASIS of the same leg POSTERIORLY ROTATES

The opposite leg as it is extended behind you while taking the stride, will exhibit an ANTERIOR ROTATION of the ASIS

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12
Q

What muscles are used to flex the thigh?

A
  • Psoas M.
  • Iliacus M.
  • Rectus Femoris M.
  • Sartorius M.
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13
Q

What muscles are used to extend the thigh?

A
  • Gluteus Maximus M.

Ham Strings:

  • Biceps Femoris M.
  • Semimembranosis M.
  • Semitendonosis M.
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14
Q

What muscles are used to ABduct the thigh?

A
  • Gluteus Medius M.
  • Gluteus Minimus M.
  • Tensor Fascia Lata M.
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15
Q

What muscles are used to ADduct the thigh?

A
  • Aductor Longus M.
  • Aductor Magnus M.
  • Aductor Brevis M.
  • Gracilis M.
  • Pectineus M.
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16
Q

What does a Positive Trendelenburg Sign on the Left indicate?

A

It means the LEFT HIP is DROPPING

which indicates that the RIGHT GLUTEUS MEDIUS M. is WEAK

17
Q

What muscles are used for External Rotation of the Leg?

A
  • Piriformis M.
  • Obturator Internus M.
  • Obturator Externus M.
  • Superior Gemelis M.
  • Inferior Gemelis M.
  • Quadratus Femoris M.
18
Q

What are some important things to note about the Piriformis M.?

A

It is the only Hip Rotator Muscle that attaches directly tot he Sacrum

Abnormal contraction of this muscle can lead to Sciatica (lower back, hip pain due to issues with sciatic nerve)

The action of the Piriformis M. changes depending on the position of the thigh

  • Flexed thigh: Piriformis acts as an ABductor
  • Extended thigh: Pirifomis acts as an external rotator
19
Q

What associated issues can arrise from a Dysfunction of the Quadratus Lumborum M.?

A

Dysfunction of the Quadratus Lumborum can lead to symptoms similar to groin pull or hernia by irritating the Iliohypogastric and Ilioinguinal nerves (L1) as they pass anterior to the muscle

20
Q

What ligament separates the Greater Sciatic Foramen and Lesser Sciatic Foramen?

A

The Sacrospinous Ligament, which connects the sacrum and spine of the ischium

21
Q

What are the landmarks along the gravitational line?

A
  • Auditory Meatus
  • Acromian Process
  • Greater Trochanter
  • Body of L3
  • Anterior 1/3 of sacrum
  • Lateral Condyle of the knee
  • Laterl Malleolus
22
Q

When assessing Ichial Tuberocity’s, what somatic dysfunction are checking for?

A

Small Hemipelvis - One side of the pelvis is congenitally smaller than the other

23
Q

What are the signs you look for if a patient has Anterior Innominate Rotation?

A
  • ASIS - Inferior
  • PSIS - Superior
  • Medial Malleolus - Inferior (long)
  • Iliac crest is level (no change in height
24
Q

What are the signs you look for in a patient has Posterior Innominate Rotation?

A
  • ASIS - Superior
  • PSIS - Inferior
  • Iliac Crest - level (no change in height)
  • Medial Malleolus - superior (short)
25
Q

What are the signs you look for in a patient that has Superior Innominate Shear?

A
  • Iliac crest - one side is higher than the other
  • Pubic Ramus on same side is higher
  • ASIS - more superior on same side
  • PSIS - more superior on same side
  • Medial Malleolus - superior (short) on same side
26
Q

What are the signs you look for in a patient that has Inferior Innominate Shear?

A
  • Iliac crest - on side is more inferior than the other
  • Pubic Ramus is inferior on same side
  • ASIS - inferior on same side
  • PSIS - inferior on same side
  • Medial Malleolus - inferior (long) on same side
27
Q

What are the signs you look for in patients with an Innominate Inflare?

A

The distance between the umbillicus and the ASIS is shorter on one side compared to the other.

28
Q

What are the signs you look for in patients with an Innominate Outflare?

A

The distance between the Umbillicus and the ASIS is longer on one side compared the other

29
Q

What are the signs you look for in patients with an Inferior Pubic Shear?

A

The Superior Aspect of the pubic ramus of the lateralized side is more inferior than the opposite side

30
Q

What are the signs you look for in patients with a Superior Pubic Shear?

A

The Superior Aspect of the Pubic Ramus of the lateralized side is more Superior than the opposite side

Colin OS2 Midterm (6 decks)

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