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OS > Osii Exam 1 > Flashcards

Osii Exam 1 Flashcards

1
Q

What are the 4 major true pelvic ligaments

A

Iliolumbar, sacrospinous, sacrotuberous, sacroiliac

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2
Q

Which pelvic ligament is responsible for stabilizing L5

A

Iliolumbar

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3
Q

Which pelvic ligament is part of the coccygeus muscle

A

Sacrospinous

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4
Q

Gluteus maximus attaches to which pelvic ligament

A

Sacrotuberous

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5
Q

Tendon of biceps femoris attaches to which pelvic ligament

A

Sacrotuberous

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6
Q

Which pelvic ligament has these three components: anterior,, interosseous, and dorsal

A

Sacroiliac

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7
Q

What is teh joint classification of pubic symphysis

A

Secondary cartilagenous (fibrocartilage)

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8
Q

Adductors limit pelvic motion in which direction

A

Laterally

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9
Q

What hip. Motion is produced by piriformis, quadratus femoris and gemelli mm

A

External rotation

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10
Q

The piriformis performs what motion when teh hip is flexed

A

Abduction

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11
Q

The piriformis performs what motion when teh hip is extended

A

External rotation

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12
Q

How do you determine laterality for innominate dysfunction

A

Standing flexion, pelvic compression

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13
Q

Whats the term describing. Holding an object. By pressure on sides. (Part of what holds pelvis together)

A

Force closure (ligaments)

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14
Q

Whats teh term describing how stacking can allow a structure to freestand if its in arch formation

A

Form closure (articulation of pelvis with legs)

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15
Q

which sacroiliac ligaments are stronger

A

Dorsal

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16
Q

Which ligament plays a small. Role in stabilizing L5 by blending in with teh main support: iliolumbar

A

Sacroiliac (lumbosacral) ligament

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17
Q

Which pelvic ligaments work together to prevent posterior superior rotation of sacral apex around transverse axis

A

Sacrospinous / sacrotuberous

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18
Q

Which major back muscles attach to sacrum

A

Erector spinae and multifidus

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19
Q

Which mm attach to innominates

A

Obliques , quadratus lumborum

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20
Q

What spinal cord component attaches to the sacrum at teh level of S2

A

Dura

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21
Q

Where does the dura of spinal cord attach at its cranial end

A

Foramen magnum (C1-2)

22
Q

Nodding forward/anterior movement of the sacral base

A

Nutation

23
Q

Nutation occurs during which sphenobasilar motion

A

Extention

24
Q

Posterior movement of sacral base around transverse axis

A

Counternutation

25
Q

Counternutation occurs during which sphenobasilar motion

A

Flexion

26
Q

Sacral base. Should move. __ during inhalation

A

Posteriorly

27
Q

Bilateral deep sulci and bilateral posterior ILA’s indicate

A

Bilateral sacral flexion

28
Q

Restriction to inhalation of sacrum indicates

A

Flexion dysfunction

29
Q

Lumbar lordosis is decreased in which bilateral sacral dysfunction

A

Extension

30
Q

Seated flexion R, sulcus deep on R, ILA inferior on R, lumbar spring negative, SB restricted to L

A

Unilateral flexion of R sacrum

31
Q

R seated flexion, R shallow sacral sulcus, ILA superior on R, positive lumbar spring, SB restricted toward R

A

R unilateral extension

32
Q

Seated flexion test is positive on the side ____ for torsions

A

Opposite

33
Q

R on R torsion would have what result for 4 point passive test

A

Restricted to posterior rotation about the R axis

34
Q

L5 rotates ___ during a right on right torsion

A

L

35
Q

Golgi tendon. Organs. Are mechanoreceptors that send. Afferents. To CNS in which group

A

1b

36
Q

Golgi tendon organ detect skeletal muscle ___ and send this to CNS

A

Tension

37
Q

Muscle spindle detect skeletal muscle ___ and send this to CNS

A

Stretch

38
Q

In golgi tendon reflex, the 1b fiber from golgi tendon organ synapse with inhibitory interneurons in the spinal cord which inhibit who

A

Alpha motor neurons

39
Q

Whats teh outcome of golgi tendon organ activation

A

Reflex relaxation of the muscle

40
Q

Name describing neuromuscular bundle in refractory state immediately after contraction

A

Post isometric relaxation

41
Q

Passive stretch can occur without ___ right after isometric contraction because neuromuscular bundle enters a refractory state

A

Reflex opposition

42
Q

Term: to lengthen a shortened muscle

A

Reciprocal inhibitionq

43
Q

Direct passive technique performed in direction of restrictive barrier

A

HVLA

44
Q

Direct active technique performed in direction of restrictive barrier

A

ME

45
Q

What are teh components fo a vertebral segment

A

Vertebra above and below and disc in between

46
Q

If not properly locked into place/localized to restrictive barrier then an HVLA thrust will dissipate and increase risc for what

A

Iatrogenic side effect

47
Q

Sudden change. In _____ during HVLA. Activates the golgi tendon organ to inhibit muscle activity

A

Length/tension

48
Q

Which pelvic ligament. Stabilizes anterior motion and. Prevents posterior superior rotation

A

Sacrotuberous and sacrospinous

49
Q

Respiratory motion occurs at which. Transverse. Axis and which sacral level

A

Superior axis S1

50
Q

Rotation of iliums about the sacrum occurs at which sacral level

A

Inferior transverse axis S3

OS (6 decks)

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