I used to do quite a bit of sprinting but stopped once i started cycling. I've been cycling pretty much since the beginning of this year and never have experienced knee or any other kind of pain.
I consider myself in decent shape now, but this weekend was a wake up call. I went hiking on the Applachian Trail with my Boy Scout troop. I did well with 7 miles on Saturday and 5 miles on Sunday. On Monday, we did 16 miles through some rough terrain. When we stopped for lunch, the outside of my left knee started hurting. I injured this knee about 4 years ago, but never really had a problem with it since then. When we started going again, it was hurting on and off. I should have gone with the slower group, but wasn't thinking and kept with the faster group. About 3 miles left, i was really hurting bad and had to move slow. I made it, but it was some of the worse pain i've ever deal with. I'm feeling fine now, but that was definitely horrible pain that i felt on Monday.
I did some research and read how cycling may cause muscle imbalances. I workout 2 times a week in the gym, but only do upper body workouts, because i figured cycling would take care of the lower body muscles. If i start sprinting again, will this fix those imbalances? Are there other things i can do as well?