Perform three sets of eight to 12 reps. RELATED: These Men Swear By the '5-3-1' Workout Method for Bigger Muscles: 'I Love This Program' An upper-body workout focuses on building mass and definition ...
Spread the love Tabata Turbo 20 seconds on, 10 seconds off Exercises: Burpees, Mountain Climbers, Jump Squats, Push-Ups 4 ...