Please choose the correct ending to complete the given sentence: Health: [header] How to rehab your knee after acl surgery [title] Use a knee brace to stabilize your knee following surgery. [step] In the hours following surgery, a knee brace will be place around your knee to support and stabilize it. This knee brace should be worn over the next 4 to 6 weeks, while your knee is at rest (i.e. it shouldn't be worn while you are performing rehabilitation exercises).

Ending1: The brace should be made of linen or leather. [substeps] Doctors recommend keeping the brace on for at least 4 weeks after surgery to maintain optimal healing. Ending2: Follow the directions your doctor gives you to use a knee brace, including bathroom directions. [title] Discuss the wear and tear of the knee brace with your family and friends. Ending3: [title] Massage and rearrange your knee during recovery to give it more structure and support. [step] Massage and rearrange your knee should be done as needed throughout recovery and avoid pain. Ending4: Make sure the brace is worn around the kneecap and that it is secured tightly. [title] Keep your knee elevated to avoid swelling.

Answer format: ending1/ending2/ending3/ending4