. Injury, in the form of a rupture, may be due to an accident in everyday life, or as a result of sporting trauma. If a tear occurs, nine times out of 10 it will be in the anterior cruciate ligament (ACL).SymptomsYou are likely to have twisted your knee
, Minnesota. The good news is that traumatic knee injuries like ACL tears and degenerative knee problems like osteoarthritis tend to strike the knees of everyday runners at rates no higher than those of everyone else. However, half to three-quarters of all
