SportsCan exercise apps cause injuries?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSports10/08/2015October 8, 2015Sports scientist Claudius Kohdadad warns about potential problems for people who use exercise apps. Many of these programs have a lot to offer. But they're not for everyone, so do your homework before you start.https://p.dw.com/p/1Gk6CAdvertisement