>> two cameras are on me, so maybe that wasn't my exact gait. >> you run pretty good for most americans. >> it does sound good. >> you have good posture. but i would say there are two things that you could benefit from and the first is your cadence. the rate at which you're turning -- using your legs, your step frequency. >> let's get an idea how i'm running in terms of cadence. you have the metronome here. >> the metronome here, a simple little device and a great thing for runners to get and it tells your frequency and you are running at this frequency about 155 steps per minute. >> it's a little bit too slow. >> it's common and it's a little bit too slow and you want to be up to 170 or 180 and i'll turn it up here like this. you want to be like this. what that does is it makes you less likely to overstride, so your foot is less likely, your ankle, is less likely to land in front of your knee because you never want that to happen. >> because you're not reaching? >> that's right. if you land out in front of you