My trainer hurt himself a couple weeks ago, so I've been trying really hard to be an easy client. After seeing how much discomfort he was in as he was going to walk with me at the gym, I told him not to worry about it and I'd just jog a lap. Of course he took me up on the offer. I jogged 5 laps (maybe 4...) last Monday, ended up getting shin splints in the left shin, and my right knee was slightly hurting. On Wednesday, he mentioned again that I may need to upgrade the shoes I was wearing, so I bought a pair yesterday. I'm going to try them out today at the gym.