PT here. I've guided thousands of patients through the TKR/THR recoveries over my 20 year career. So here's the skinny on THR. Best therapy is walking--the goal for rehab is to get that leg used to bearing your weight again. You already have all the range of motion you need right out of surgery--that's why they tell you not to cross your legs, turn your operated leg toes in, or flex your hip past 90*, since you don't want it dislocating (a very rare occurrence.) The joint is very durable and, short of having a very forceful accident (car crash with knees into the dash, falling down a flight of steps, etc) there's really not anything you can do to damage it. If you over-do it, your muscles (which were cut through during surgery) will be sore, but that gets better. I'm not a big fan of the "no pain, no gain" theory--that's fine when you're training for the Olympics or professional sports. But after orthopedic surgery, pain is your body's way of telling you, "that's enough, dummy." You most likely don't have any weight restrictions, so you want to walk and do steps as able--I usually start my patients stepping up onto a small step with the operated leg when they can, and gradually progress to a regular step. Unless your orthopedic surgeon doesn't want you to be full weight bearing for some reason. But if you have no restrictions, get up and walk. As mentioned earlier, NO IMPACT. So running, any court sports, and anything that might involve falling are out. Hiking, swimming, bicycle riding, and plain old walking are all good. Shoot me a PM if you have any other concerns. Good luck!
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