The room you use to take the measurements is surprisingly important. After some experimentation, I found that as long as the marker is a strongly contrasting color to the shoe, and the shoe doesn't have any of the marker color on it, there is no problem. Initially I chose predominantly black shoes and covered them with black duct tape for use with white markers. Wearing black socks to match the black tights helps avoid create a colored area that can confuse the tracking. I wear black tights and a white long-sleeved compression top. If the clothing is patterned, it's likely to confuse Kinovea.
![kinovea vs tracker kinovea vs tracker](https://www.kinovea.org/images/slides/004-speed2.jpg)
Loose clothing will move independent of your body and give incorrect tracking. It's important to wear clothing that is skintight and plain. Which locations you choose to track will depend on what you're trying to measure. I put markers on my forefoot, heel, ankle, knee, hip, shoulder, wrist, and head. You can read more about the various types of markers I've tested further down this page, and there are other approaches that might work for your situation. I simply use duct tape looped around to stick them to my clothing.
#Kinovea vs tracker software#
The Kinovea software tracks motion using visual markers, and I've found these 50 Colored Ping Pong Balls, worked pretty well.
![kinovea vs tracker kinovea vs tracker](https://images.sftcdn.net/images/t_app-cover-l,f_auto/p/6be3a26e-96d5-11e6-ba85-00163ec9f5fa/2179404084/kinovea-screenshot.jpg)
This is mostly an issue with measuring movement of the hip from the side, so it's not a huge deal. Ideally, you want a treadmill that doesn't have a side rail that gets in the way of the camera's view of the runner. The main downside of a treadmill is that most runners have a slightly different running form compared with running outside. It should be perfectly possible to video a runner outside, but you'll only get a small number of strides, and it can be tricky to analyze the motion as effectively as you can when recording on a treadmill.
#Kinovea vs tracker Bluetooth#
I purchased a cheap tripod adapter and Bluetooth remote control at the same time. I'm lucky enough to have a professional grade, heavy-duty tripod, but something far simpler should suffice. You'll also need a tripod and an adapter for your phone. I found that using the zoom lens on my iPhone 7+ from further away produced better results than the wide-angle lens, as there is less perspective distortion. Using a lower frame rate and a high resolution did not produce as good results. I found that this resolution and frame rate is perfectly adequate for analyzing a runner. The iPhone 6 & 7, and the Samsung Galaxy S7 will all record HD (1280x720) at 240 Frames Per Second (FPS), which is eight times as fast as typical video. In the past, I've used a GoPro, but their fisheye distortion is a less than ideal. You'll need a camera capable of recording high-speed video at a reasonable resolution.