SoulCycle illustration

Illustration: Marcos Chin

SoulCycle

Fans of this thigh-quaking class lift hand weights, do modified push-ups, and work their core with crunches—all while furiously peddling spinning bikes.

Soul-Cycle.com
Physique 57 illustration

Illustration: Marcos Chin

Physique 57

Favored by celebrities like Kelly Ripa and Emmy Rossum, Physique 57 shifts between isometric exercises, like leg scissors and pulse squats, and deep stretches.

Physique57.com
piloxing illustration

Illustration: Marcos Chin

Piloxing

Created by a Swedish trainer and dancer, this unlikely hybrid of Pilates and boxing marries flexibility with fancy footwork and punching drills.

Piloxing.com
aerial yoga illustration

Illustration: Marcos Chin

Aerial Yoga

Remember Pink's midair performance in a silk hammock at the 2010 Grammy Awards? AntiGravity has created a yoga-infused class full of similar aerial moves.

AntiGravityYoga.com
forza illustration

Illustration: Marcos Chin

Forza

The Italian word for strength, Forza turns samurai sword training (using a wooden sword called a bokken) into a powerful workout for your arms, core and legs.

PowerStrike.com