The holidays are over — it’s time to jump-start 2016 with a full-body circuit workout designed to kick your butt into gear! You need: A mat, an interval timer — 45s work, 15s rest Warm up: 25 jumping jacks | 20 bum kicks | 20 half squats | 20 walking lunges | 10 squat jumps | 25 Good Mornings | 10 arm swings each […]