STRENGTH TRAINING is synonymous with lifting heavy . It’s effective, but it’s not the only way. You can get plenty strong by moving lighter weights at high velocity, says Ryan Hopkins, co-founder of Soho Strength Lab in New York City. This trio of no-slam medicine ball moves is proof. Borrowed from basketball conditioning workouts, you’ll maintain control of a six- or eight-pound medicine ball throughout to have you accelerating and decelerating in quick succession, thus recruiting more muscles. Do these to kick off a lifting day for muscle activation and strengthening. 20 Things Your Bro Doesn’t Know About Weightlifting Stab Step Works the rectus abdominis, obliques, and hips. Start with soft knees, holding a medicine ball in front of right pec, shifting weight in right foot. In a swift, fluid movement, step left foot to the side into a shallow squat, and snap ball to left pec, left elbow back. Reset and repeat. Do 2 or 3 sets of 6 reps per side. Justin Steele for Men's Jo