READY, SET, GAINS!

SPIN FOR STAMINA

Heimana Reynolds, 22, 5'9", 155 LBS

SKATEBOARDING

Skaters have a slacker image, but the fast-paced, highflying 45-second runs that Heimana Reynolds performs require serious cardio and leg stamina. That’s why the Hawaiian skater and 2019 world champion hits the Assault bike for sprint intervals. He does 5 sets of 45-second intervals, with 5 seconds of sprinting all out. Another favorite is the dumbbell snatch with a box jump: Start by squatting in front of a 12-inch box holding a light dumbbell in one hand on the floor between your legs. Pull the dumbbell up and over your shoulder as you jump onto the box. Do 3 sets of 10 per side. Focus on speed.

GRIP FOR GREATNESS

CJ Cummings, 21, 5'7", 161 LBS

WEIGHTLIFTING

Despite his young age, C J Cummings is the United States’ best hope for Olympic weightlifting gold, in part because of his polished technique. Even though he weighs only 161, Cummings has clean-and-jerked 423 pounds. Master the clean and you can build full-body power, too. most people, Cummings says, go too wide. “If you have a wide grip,” he explains, “your elbow will