Ostarine (Mk-2866) one of its primary Functions is muscle and joint repair/prevention of further or new injury.
Deca and test won't do much for you in terms of fixing an existing injury... It might make you feel more recovered and healed while on cycle, but you may end up actually making it worse with the increased training volume/load without realizing what's happening until you cease the cycle.
Enhanced recovery and repair of torn fatia and muscle tissue/fibers is not the same as previously pulled or strained muscles and ligaments, not to mention deca is better known for its ability to lubricate JOINTS.
Don't rely on AAS to heal injuries, get healed first without them then hop on once your 100%