Running is associated with reduced risk for Osteoarthritis and the need for hip replacement.
1) Avoid re-injury.
2) Optimise BMI: lose excess weight.
3) Correct quadriceps weakness with a 5-week muscular strengthening programme before considering surgical repair.
4) Pass fitness to "return-to-sports" test before resumption of full activities.
5) Surgical repair of isolated traumatic ACL tears may lessen risk of developing secondary knee OA compared to non-surgical management.
"The exercise program entailed two hour-long, physical therapist-supervised sessions per week, which included functional, proprioceptive, strength, and endurance exercises of three or four progressive degrees of difficulty."