Pelvis Flashcards

1
Q

Form closure

A

structural anatomy of the wedge shaped sacrum
+ shape of internal SI joint= increased stability

creates the keystone of an arch

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2
Q

Force closure

A

tensile forces that pull on the pelvis to increase stability and mobility

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3
Q

Physiological motions

A

rotation ( ant and posterior)

flaring (lateral and medial )

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4
Q

Non-physiologic motion

A

shearing (superior and inferior)

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5
Q

standing flexion test

A

gives the laterality of the SD

Positive test on the right = right innominate somatic dysfunction

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6
Q

Anterior Rotation:

A

occurs about the inferior transverse axis of the sacrum

ASIS goes anterior inferior
PSIS goes posterior superior

extension of the hip

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7
Q

Posterior rotation

A

occurs about the inferior transverse axis of the sacrum

PSISgoes anterior inferior
ASIS goes posterior superior

Flexion of the hip

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8
Q

dx of ant rotation

A

(+) Standing Flex test- ipsilateral
ASIS inferior (caudad)
PSIS superior (cephalad)
Inferior pubes - ipsilateral

Tight quads, leg length discrepancy

TX= ME

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9
Q

dx of post rotation

A

(+) Standing Flex test-ipsilateral
ASIS superior (cephalad)
PSIS inferior (caudad)
Superior pubes-ipsilateral

inguinal/groin pain (due to rectus femoris dysfunction)
Medial knee pain (due to sartorius dysfunction)

tx= ME

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10
Q

Flare

A

changes in rotation that occur over a vertical axis

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11
Q

Medial flare

A

(+) Standing Flex test- ipsilateral
ASIS medial
PSIS lateral

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12
Q

lateral flare

A

ASIS lateral
PSIS medial
(+) Standing Flex test- ipsilateral

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13
Q

dx superior pelvic shear

A
Standing flexion test: positive right
ASIS: level
PSIS: level
Pubic tubercle: Superior right
RIGHT SUPERIOR PUBIC SHEAR
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14
Q

dx inferior pelvic shear

A
Standing flexion test: positive right
ASIS: level
PSIS: level
Pubic tubercle: Inferior right
RIGHT INFERIOR PUBIC SHEAR
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15
Q

dx for compressive shear

A

(+) Standing Flex test-ipsilateral
ASIS and PSIS level
Ipsilateral pubic tubercle level, but very tender

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16
Q

dx for superior innominate shear

A
Standing flexion test positive: right
Asis: superior right
PSIS: superior right
Pubic tubercle: superior right
RIGHT SUPERIOR INNOMINATE SHEAR
17
Q

Dx: Inferior Innominate Shear (Downslip)

A
Standing flexion test positive: right
Asis: inferior right
PSIS: inferior right
Pubic tubercle inferior right
RIGHT INFERIOR INNOMINATE SHEAR