20 minute workout: high-intensity circuit

An Equinox trainer gets it done in this Tabata-influenced accelerated session.

While you can carve a tantalizingly toned body in less than a half hour, we’re here to tell you what you likely already know: To reap the rewards — increased calorie burn, strength, power, blissful endorphin high — truncated workouts must be insanely intense. But it may be worth the effort, since, according to a recent review of research published in the Journal of Physiology, shorter, more vigorous sessions are not only more effective than endurance training in terms of strength building and calorie burning, but they also may be the most efficient way to train elite athletes. Sold. So, we asked a team of Equinox trainers and group fitness instructors what they would do if they were given just 20 minutes to have at it. Here is the final routine in the series:

The Pro: Giovanni Roselli, NASM, Tier 4 Fitness Coach and Group Fitness Instructor (Tabata Intervals, ViPR)
The Club: Greenwich, Connecticut
The Workout: Power through this series of moves, attacking each for 20 seconds, then resting for 10 seconds. Complete 8 rounds, increasing reps with each round.

1. Squats
2. Plank
3. Kettle Bell Swings
4. The Rowing Machine
5. Push-ups

Want more? Try our brief coreworkout.