I'm sure the author has never been in jail and the book stinks of marketing but anyway, I started doing the exercises and I like it.
I read this as a friend suggested it was a good way of building up strength without weights or being a member of a gym. Paul Wade was a long term convict in the US who acquired knowledge of Calisthenics. Wade argues that Calisthenics (essentially training without weights or machines (e.g. sit ups, ...
Log in with Facebook 
