4 minutes of progressive body weight training can be done anywhere anytime.
Timer app:
(IOS): http://bit.ly/jy-timer
(Android): http://bit.ly/jytimer
Videos of general interest.
4 minutes of progressive body weight training can be done anywhere anytime.
Timer app:
(IOS): http://bit.ly/jy-timer
(Android): http://bit.ly/jytimer