GLENOHUMERAL Flashcards
The GH joint is intracapsular or extracapsular?
Intracapsular
How much of a sphere does the humeral head measure?
1/3
What are the possible structure that may be affected when the surgical neck is fractured?
axillary nerve
What does the axillary nerve supply
teres minor &
deltoids
Other name for axillary nerve
circumflex nerve
If the axillary nerve is damaged, which mm/s will you assess to confirm suspicion of damage of the axillary nerve?
Deltoids
Why is the deltoid mm assessed to confirm axillary nerve damage?
As teres minor is difficult to isolate
This is the structure of the proximal humerus that is most prone to fx
surgical neck
This is a sign for (+) deltoid weakness
swallow tail sign
Where does the shoulder jt capsule attaches or inserts?
anatomical neck
What motion of the SH will you ask the pt to do to be able to palpate for the greater tuberosity
ask patient to perform IR of SH
In the aspect of imaging, the greater tuberosity is best viewed in ER or IR
ER
Where can you locate the greater tuberosity?
lateral side of the proximal humerus
Which muscle attaches to the lesser tuberosity?
subscapularis
What motion of the SH will you ask the pt to do to be able to palpate for the greater tuberosity
ask patient to perform ER of SH