This six-move workout from fitness trainer Kat Boley is definitely one such workout. Using one dumbbell, it works all the major muscle groups in the body in just 20 minutes, and along with building ...

Bumstead performed two sets of this combo and moved on to the next exercise. After warming up the triceps, Chris Bumstead warmed up the biceps with preacher curls. The 27-year-old stated that this is ...