Wiki Diagnosis for Subscapularis tear

[Jocopoco53]

Would the Subscapularis be part of the Shoulder Girdle ?

 

[amyjph]

It's one of the four that makes up the rotator cuff.

https://orthoinfo.aaos.org/en/diseases--conditions/rotator-cuff-tears/

Try looking at injury>rotator cuff. You won't find the subscap called out specifically in the index.
It also depends on if it is acute (S) or chronic (M).