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Movement Science 1 > Shoulder > Flashcards

Shoulder Flashcards

1
Q

Sternoclavicular (SC) Joint for Elevation/Depression
Rolls & Slides

A

Vex on Cave
Elevation : Roll Superior, Slide Inferior
Depression: Roll Inferior, Slide Superior

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2
Q

Sternoclavicular (SC) Joint Protraction/Retraction Rolls & Slides

A

Cave on Vex
Protraction: Roll & Slide Anteriorly
Retraction: Roll & Slide Posteriorly

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3
Q

Acromioclavicular (AC) Joint Osteokinematics

A

Slight Upward & Downward Rotation

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4
Q

Scapulothoracic (ST) Joint Osteokinematics for Elevation (shoulder shrug)

A

Scapula elevates with clavicle at SC Joint
Downwardly rotates at AC Joint

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5
Q

Scapulothoracic (ST) Joint Osteokinematics for Protraction/Retraction

A

Scapula protracts when clavicle protracts at SC Joint & inwardly rotates at AC joint
(reverse for retraction)

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6
Q

Scapulothoracic (ST) Joint Osteokinematics for Upward/Downward Rotation

A

Occurs with Glenohumeral Elevation

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7
Q

Glenohumeral (GH) Joint Osteokinematics for Flexion/Extension

A

120 Degrees total flexion
45-55 Extension
Spins (no roll)

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8
Q

Glenohumeral (GH) Joint Osteokinematics for Abduction/adduction

A

120 total abduction (elevation)
Vex on Cave
Abduction: Roll Superior, Slide Inferior
Adduction: Roll Inferior, Slide Superior

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9
Q

Glenohumeral (GH) Joint Osteokinematics Scaption

A

Scapular Plane= 30-35 degrees anterior to frontal plane
IR + Abduction= greater tubercle in path of acromion (high floor & low ceiling)
ER + Scaption= Greater Tubercle has the most room to move under acromion (low floor & high ceiling)

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10
Q

Glenohumeral (GH) Joint Internal Rotation
Rolls & Slides

A

Vex on Cave
Roll Anterior, Slide Posterior

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11
Q

Glenohumeral (GH) Joint External Rotation
Rolls & Slides

A

Vex on Cave
Roll Posterior, Slide Anterior

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12
Q

Open Pack Glenohumeral Joint

A

Soft tissue is as lax as possible, joint is “unlocked”, inefficient for loading

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13
Q

Close Pack Glenohumeral Joint

A

Soft tissue is under max. tension, joints are most congruent, efficient for load bearing

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14
Q

Glenohumeral Joint is slack anteriorly and inferiorly so motions cause it to tighten?

A

Abduction and External Rotation

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15
Q

Forward shoulder posture overtime will…

A

Tighten: Scapular Protractors (pec minor), Posterior GHJ capsule, & Thoracic Spine
Loosen: Anterior GHJ capsule
Overstretch: Scapular Retractors, GHJ External Rotators

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16
Q

What are potential causes of External Rotation deficits?

A

Tight Anterior Capsule
Rotator Cuff Injury
Poor Scapular Stability

17
Q

What are potential causes of Internal Rotation deficits?

A

Tight Posterior Capsule
Repeated overhead throwing
Poor scapular stability

18
Q

Scapular Dyskinesis Type 1

A

Inferior Angle Prominence
(“Tipping”)

19
Q

Scapular Dyskinesis Type 2

A

Medial Border Prominence
(“Winging”)

20
Q

Scapular Dyskinesis Type 3

A

Superior Border Prominence
(“Hike”)

Movement Science 1 (8 decks)

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