Popsugar Fitness Workouts 20-Minute, No-Equipment Circuit Workout This 20-Minute, No-Equipment Circuit Is Clutch When the Gym Is Just Too Crowded December 1, 2018 by Colleen Travers View On One Page Photo 6 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 Punches Stand in a staggered stance with your knees slightly bent; raise your fists to just below your chin. Alternate straight jabs or cross punches, making sure to squeeze your biceps as you punch. Previous Next Start Slideshow WorkoutsStrength TrainingCardio WorkoutsGym Culture20-Minute Workouts