Uh, Doctor. The carpal bones are the ones at the base of the hand, hence the syndrome's moniker.
Well, I'm sure you could catch my drift, seargent.

Knuckle area, as in wrist region....

What the fawk does it have to do with a shortened vastus lateralis, smaller side of one of the lats, and an atrophyed tricep?! The question still remains unanswered....
OK, SEARG.?!