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kinesiology biomechanics > bio mechanics exam 2 > Flashcards

bio mechanics exam 2 Flashcards

0
Q

ACJ superior and inferior lig what does the superior lig limit

A

limits posterior movement

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1
Q

SJC ant and post fibers limit what and contribute to what movement

A

limits elevation and contributes to inferior glide of clavicle

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2
Q

ACJ is the coracoclavicular joint which is made up of what two ligaments

A

Conoid and trapezoid

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3
Q

ACJ Coracoclavicular (conoid) resists and limits and does what motion

A

resists distal clavicular superior motion
limits upward rotation of scap
posteriorly rotates clavicle

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4
Q

ACJ coracoclavicular (Trapezoid) limits and does what motion

A

Limits post displacement of clavicle
limits upward rotation of scapula
posteriorly rotates clavicle

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5
Q

GHJ capsule Loose or tight

A

loose ant and inferior
tight superiorly
creates intraticular pressure

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6
Q

GHJ ant stable up to how many degrees

A

60 abduction

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7
Q

GHJ inferior ligaments at what degrees of abd is inferior translation resisted

A

45

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8
Q

Inferior gleno humeral ligament resists

A

ER resists anterior translation

IR resists post translation

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9
Q

coracohumeral ligament

A

limits inferior translation

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10
Q

SCJ frontal plane is

A

convex concave roll and slide

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11
Q

SJC elevation and depression degrees?

A

elevation 48

depression 10

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12
Q

SCJ transverse plane

A

concave convex protraction retraction

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13
Q

SJC protraction and retraction degrees

A

protraction 20

retraction 30

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14
Q

SJC sagital plane post rotation and ant rotation degrees

A

anterior rotation less then 10 degrees

posterior rotation 50 degrees

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15
Q

ACJ ant /post tilt
upward downward rotation
IR/ER degrees

A

ant/post 20- 40
upward/ downward rotation 30
IR/ER 30

16
Q

Scapulo thoracic joint coronal plane frontal plane

A

30-45

17
Q

Scapulo thoracic joint anterior tilted

A

10-15

18
Q

Scapulo thoracic joint upward rotation

A

10 degrees

19
Q

Scapulo thoracic joint can upwardly rotate up to how many degrees

A

60 coupled with post rotation os SCJ and clavicular elevation

20
Q

Scapulo thoracic joint elevation/depression

protraction/retraction occur at what joint

A

SCJ

21
Q

Scapulo thoracic joint
IR/ER
ant/post tilt occur at what joint

A

ACJ

22
Q

Scapulo rythm

A

elevation of humerus
upward rotation of scap
post tilt of scap
2:1 ratioGHJ :STJ

kinesiology biomechanics (4 decks)

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