If you’re a fan of the Convict Conditioning series, or of bodyweight training in general, you would be interested to know that this popular series from Dragon Door now includes a log book.

Why does my coach always tell me to keep a journal? Will it actually help to write things down? And what if I don't want to carry a silly notebook?

Science Behind Sweat isn't just for logging workouts, it can predict how you should perform on a workout, and if you don't achieve that level of performance, it can figure out why.