Perfect Olympic Tabata for Sexy Abs with Gymboss

Become an Olympian! This is the ultimate Olympic HIIT style time challenge with 5 exercises, and 3 rounds. 20 seconds on, 10 seconds rest for 4 minutes then 1 minute active recovery to complete an intense 15 minute ab workout. #getlean 1. Jackknife 2. Reverse curl 3. Scissors with Rotation 4. Plank with forward and back shift 5. Swan Stretch Need a timer? Grab one from Gymboss: Like the music? Get the album b