RunningFilter: What should I do to fix behind-the-knee pain?
August 20, 2018 12:17 PM Subscribe
After running short distances, I have a pain/ache behind the left knee. It goes away after a rest of a few days but then comes back again when I run. What can I do to fix this? Is this because I've got weak muscles in the knee area? If so, what would be an exercise regime for it?