GLENOHUMERAL Flashcards

1
Q

The GH joint is intracapsular or extracapsular?

A

Intracapsular

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2
Q

How much of a sphere does the humeral head measure?

A

1/3

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3
Q

What are the possible structure that may be affected when the surgical neck is fractured?

A

axillary nerve

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4
Q

What does the axillary nerve supply

A

teres minor &
deltoids

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5
Q

Other name for axillary nerve

A

circumflex nerve

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6
Q

If the axillary nerve is damaged, which mm/s will you assess to confirm suspicion of damage of the axillary nerve?

A

Deltoids

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7
Q

Why is the deltoid mm assessed to confirm axillary nerve damage?

A

As teres minor is difficult to isolate

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8
Q

This is the structure of the proximal humerus that is most prone to fx

A

surgical neck

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9
Q

This is a sign for (+) deltoid weakness

A

swallow tail sign

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10
Q

Where does the shoulder jt capsule attaches or inserts?

A

anatomical neck

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11
Q

What motion of the SH will you ask the pt to do to be able to palpate for the greater tuberosity

A

ask patient to perform IR of SH

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12
Q

In the aspect of imaging, the greater tuberosity is best viewed in ER or IR

A

ER

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13
Q

Where can you locate the greater tuberosity?

A

lateral side of the proximal humerus

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14
Q

Which muscle attaches to the lesser tuberosity?

A

subscapularis

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15
Q

What motion of the SH will you ask the pt to do to be able to palpate for the greater tuberosity

A

ask patient to perform ER of SH

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16
Q

What are the muscles that attaches to the greater tuberosity?

A

SIT muscles

17
Q

Where can you locate the greater tuberosity?

A

medial side of the proximal humerus

18
Q

This is the orientation of the humeral head

A

MPS (med, post, sup)

19
Q

This is the groove seen in between 2 tuberosities where the biceps tendon passes through

A

Bicipital / Intertubercular groove

20
Q

This ligament anchors the tendon of the long head of biceps along the Bicipital / Intertubercular groove

A

Transverse humeral ligament

21
Q

What is the structure that passes through the Bicipital / Intertubercular groove

A

Tendon of long head of biceps

22
Q

This is the groove wherein the Radial / musculospiral n. passes
through

A

Spiral / radial groove

23
Q

This special test is done to assess tear in the transverse humeral ligament

A

yergason’s test

24
Q

Groove located posteriorly at the humerus

A

Spiral / radial groove

25
Q

Part of the humeral shaft that is a site for fx

A

Spiral / radial groove

26
Q

What is the only muscle that is spared if there is a radial nerve damage?

A

long head of triceps because it is innervated by axillary nerve

27
Q

GH joint is what type of joint?

A

Synovial ball & socket / universal / spheroidal

28
Q

ligament that limits excessive ER & inf/downward
translation of humerus

A

coracohumeral lig.

29
Q

muscle that limits excessive ER & inf/downward
translation of humerus

A

supraspinatus

30
Q

Capsular pattern of frozen shoulder

A

ERABIR

31
Q

comorbidity associated with a risk for frozen sh

A

diabetes mellitus

32
Q

ligament that limits excessive ER

A

GH & coracohumeral lig

33
Q

This is the foramen seen in between the superior and middle GH lig

A

foramen of weitbrecht

34
Q

This is the foramen seen in between the inferior and middle GH lig

A

foramen of Rouvier

35
Q

laxity or tear of the GH ligament may result to what condition?

A

anteroinferior SH D/L

36
Q

What are the boundaries of the bicipital groove

A

Medial: T. Major
Lateral: Pecs Major
Floor: Lat. Dorsi