At home exercise to strengthen knee after patellar dislocation?

SLR's: Straight leg raises w/ a 1 or 2 lb. Ankle wt. On a daily basis(start w/ 25 and buld up to 100 per day).Lay flat on back, bend good knee to 90 degrees;.Then bring ankle back on weak leg(tightening hamstring group) then tighten quads and pick up leg and hold a foot or so off floor or couch and hold for a count of 10.Then let down relax both muscle groups and then repeat.Look up diagram of exercise.