Health & Wellness, Workouts

25 Min Shoulder & Back Workout!

What you'll need: Timer: I use the app GymBoss (free) and I can create any kind of timer I want! The intervals you will want to create for this is 6 working intervals of 30 sec each, 3 working intervals of 20 sec each, and 1 rest interval for 1 min (60 seconds), there will… Continue reading 25 Min Shoulder & Back Workout!