Spin in 30 days - stretching and flexibility exercises is a new app from a professional trainer. Using effective training at home and stretching tips you will be able to sit on a twine in 30 days easily and quickly. When you start stretching into the twine, you need to warm up your muscles thoroughly. This is necessary to avoid sprains and injuries during the workout. The twine is beautiful. And already for the sake of this you can try to stretch regularly for a month. But in addition to beaut