Question

Asked 4 years, 9 months ago

Can Distance Running Cause an ACL Tear?

I am 42 and have been running for about four years. I set a PR in a half-marathon three weeks ago (1:19:36), as part of training for an upcoming marathon. My race is in 10 days, so I started tapering down from 95 miles a week to 60 miles a week. I was doing an easy recovery run when I heard a pop-and-tear as I landed. I had immediate pain in my knee area and had to hobble home. I had an ACL repair about 12 years ago but have never had any knee problems since then. I have a friend who is a radiologist, so I had an MRI done that very day, and it showed a contusion of the posterolateral tibial plateau along with an effusion, but no torn ligaments or meniscus. I can’t find any information about running causing this type of injury. Besides rest and NSAIDs, how do I treat it and what can I do to prevent it from happening again?

Michael Weiss, MD
Clearwater, FL

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