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Savarese > Chapter 7 Shoulder > Flashcards

Chapter 7 Shoulder Flashcards

1
Q

Bones making up the shoulder?

A

Clavicle, scapula, humerus

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1
Q

Joints of the shoulder/

A

Scapulothoracic (pseudo-joint), AC joint, glenohumeral, SC joint

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2
Q

Rotator cuff muscles?

A

Supraspinatus, Infraspinatus, teres minor, Subscapularis (SItS)

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2
Q

Primary flexor?

A

Deltoid (anterior portion)

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3
Q

Primary abductor?

A

Deltoid (middle portion)

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3
Q

Primary extensors?

A

Lat dorsi, teres major, deltoid (posterior portion)

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4
Q

Primary adductors?

A

Pec major, lat dorsi

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4
Q

Primary external rotators?

A

Infraspinatus, teres minor

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5
Q

Primary internal rotator?

A

Subscapularis

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5
Q

Subclavian artery passes bt which 2 muscles?

A

Anterior and middle scalenes–contracture of these muscles affects arterial supply but not venous drainage

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6
Q

Subclavian vein passes where?

A

Anterior to anterior scalene

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6
Q

When does subclavian a become axillary a?

A

Lateral border of 1st rib

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7
Q

When does the axillary a become the brachial a?

A

Inferior border of teres minor

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7
Q

1st major branch of brachial a?

A

Profunda brachial a–accompanies radial n in its posterior course of radial groove

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8
Q

Where does brachial a divide into ulnar and radial aa?

A

Under bicipital aponeurosis

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8
Q

What becomes the deep palmar arterial arch?

A

Radial a

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9
Q

What becomes the superficial palmar arterial arch?

A

Ulnar a (Ulnar is Up in the palm)

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9
Q

Tx technique to relieve lymph congestion of UE?

A

1) Open thoracic inlet
2) Redome diaphragm
3) Posterior axillary fold technique

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10
Q

Nerve roots of brachial plexus?

A

C5-T1

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10
Q

Degrees of motion during arm abduction?

A

120 degrees due to glenohumeral motion, 60 degree due to scapulothoracic motion

11
Q

For every 3 degrees of abduction…

A

Glenohumeral joint moves 2 degrees and the scapulothoracic joint moves 1 degree

11
Q

Most common somatic dysfunction of shoulder?

A

Restriction in internal and external rotation

12
Q

Second most common somatic dysfunction of shoulder?

A

Restriction in abduction

12
Q

Least common somatic dysfunction of shoulder?

A

Restriction in extension

13
Q

Motion of clavicle during internal/external rotation?

A

Around transverse axis

13
Q

Most common somatic dysfunction of SC joint?

A

Clavicle anterior and superior on sternum

14
Q

Most common somatic dysfunction of AC joint?

A

Clavicle superior and lateral on acromion

14
Q

“Step-off” seen at the AC joint?

A

Superior and lateral clavicle on acromion

15
Q

Sites of compression of nv bundle in thoracic outlet syndrome?

A

1) Bt anterior and middle scalenes
2) Bt clavicle and 1st rib
3) Bt pectoralis minor and upper ribs

15
Q

Pathogenesis of supraspinatus tendinitis?

A

Continuous impingement of greater tuberosity against acromion as arm is flexed and internally rotated

16
Q

Site of pain in supraspinatus tendinitis?

A

Tip of acromion

16
Q

“Painful arc”?

A

Pain exacerbated by abduction from 60-120 degrees in supraspinatus tendinitis

17
Q

Pathogenesis of bicipital tenosynovitis?

A

Inflammation of tendon and its sheath of long head of biceps

17
Q

Aggravating factors in bicipital tenosynovitis?

A

Elbow flexion or supination

18
Q

Most commonly affected rotator cuff muscle?

A

Supraspinatus

18
Q

Location of pain in rotator cuff tear?

A

Tenderness just below tip of acromion

19
Q

Motions most often affected in adhesive capsulitis?

A

Abduction, internal and external rotation (extension is preserved)

19
Q

Etiology of frozen shoulder?

A

Prolonged immobility of shoulder

20
Q

When is pain elicited in frozen shoulder?

A

End of ROM

20
Q

Most common shoulder dislocation?

A

Anterior and inferior–affects axillary n

21
Q

Pathogenesis of winging of scapula?

A

Weakness of anterior serratus due to long thoracic n injury

21
Q

Most common brachial plexus injury?

A

Erb-Duchenne’s palsy

22
Q

Erb-Duchenne’s?

A

Upper trunk (C5-6)

22
Q

What is paralyzed in Erb-Duchenne’s?

A

Abduction, external rotation, flexion, supination

23
Q

Most commonly affected nerve injured in UE due to direct trauma?

A

Radial n

23
Q

Crutch palsy?

A

Radial n

24
Q

Most common cause of injury to radial n?

A

Humeral fracture

24
Q

Saturday night palsy?

A

Compression of radial n against humerus as arm is draped over back of chair

Savarese (31 decks)

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