At a CrossFit-equipped gym, kids learn the finer points of tumbling, core strength, and balance through gymnastics

Instructors lead high-intensity drills of calisthenics and aerobics infused with boxing and kickboxing movements

With sessions for all ages, instructors lead engaging workouts that combine strength-training exercises and cardio intervals

Female, CrossFit-certified instructors lead high-intensity workout routines that have been specially designed for females

One-hour classes combine cardio, strength training & dance for total-body workout set to current music hits

With sessions for all ages, instructors lead engaging workouts that combine strength-training exercises and cardio intervals.

Strength-boosting routine crafted by certified group fitness instructor toughens muscles & cardio intervals keep heart rates peaked

Supportive, motivating instructors encourage full-body results in variety of yoga & boot-camp classes, plus success & nutrition program

Pro boxer Rene Armijo Jr. knocks out calories with brutally effective array of aerobics classes that emphasize fitness or technique