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Anatomy Of The Upper Extremity > Ligaments of the shoulder girdle > Flashcards

Ligaments of the shoulder girdle Flashcards

1
Q

Movements of the SC joint

A
  • rotation
  • elevation
  • depression
  • minor anterior posterior glide
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2
Q

AC joint movements

A
  • minor rotation

- minor sup/inf glide

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3
Q

Shapes of AC facets

A
  • clavicle: oval inferior aspect
  • acromion: oval superior aspect
  • meet at 45 degree angle
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4
Q

Superior AC ligament attachments

A

Superior lateral aspect of clavicle to sup medial aspect of acromion

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5
Q

Inferior AC ligament attachments

A

Inferior lateral aspect of clavicle to inferior medial aspect of acromion

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6
Q

Coracoclavicular ligaments attachments

A

Conoid ligament: root of coracoid process to conoid tubercle

Trapezoid ligament: Superior aspect of coracoid process to trapezoid line

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7
Q

Coracoacromial ligament attachments

A

Lateral coracoid process to summit of acromion

Protects anterior GH and pec minor passes through

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8
Q

Suprascapular ligament

A

Spans suprascapular notch

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9
Q

2 Apertures of GH capsule

A
  • long head biceps at bicipital groove

- inferior to coracoid process for subscapular bursa

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10
Q

Three ligaments of the GH

A

Glenohumeral
Coracohumeral
Transverse humeral

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11
Q

Attachments of superior GH ligament

A

Superior aspect of lesser tubercle to superior anterior aspect of margin of glenoid cavity

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12
Q

Attachments of middle GH ligament

A

Inferior aspect of lesser tubercle of humerus to mid anterior glenoid cavity

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13
Q

Attachments of inferior GH ligament

A

Inferior aspect of the anatomical neck to the anterior inferior margin of the glenoid cavity

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14
Q

Attachments of transverse humeral ligament + fx

A

Posterior aspect of lesser tubercle to anterior aspect of greater tubercle
Converts intertubercular groove into canal for long head of biceps and synovial sheath

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15
Q

Coracohumeral ligament attachments and fx

A

Root of coracoid process to superior aspect of greater tubercle (blends with attachment of supraspinatus)
Functions to strengthen superior joint capsule

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16
Q

Bursae of the GH

A

Subdeltoid/subacromial
Subcoracoid
Subscapular

17
Q

Function of subacromial bursa

A

Prevents friction between supraspinatus, delts, and joint capsule

18
Q

Function of subscapular bursa

A

Prevents friction between subscapularis and lat border of scap

19
Q

Function of subcoracoid bursa

A

Extension of subscapular bursa

Prevents friction between biceps short head and subscap

20
Q

Structures in subacromial arch

A

Joint capsule
Supraspinatus
Long head biceps
subacromial bursa

Impingement zone

21
Q

Supports of anterior GH

A 
Pec major
Anterior GH ligaments
Subscapularis
Joint capsule
Labrum
Coracohumeral lig
22
Q

Posterior GH supported by:

A

Infraspinatus
Teres minor
Labrum

Anatomy Of The Upper Extremity (4 decks)

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