Reduce appearance of forehead lines for up to 4 months

Invisible braces straighten teeth in 6–18 months

Reformer machines add spring-loaded resistance to Pilates movements during beginner and intermediate classes

Personal trainers keep muscles guessing during 40-minute circuit-training classes; training sessions and weigh-ins boost weight loss

Instructors blend high-energy athletic training with U.S. Marine techniques to create an intense outdoor workout

Live video ultrasounds reveal fetal position, heart rate, and gender

Well-being classes include gentle lunchtime yoga and beginner meditation; reiki sessions optimize the body's energy pathways

Certified practitioner uses traditional Japanese practice to balance energy and to relax and calm the body

Signature Pilates fitness classes combine core-strengthening moves with weightlifting and aerobics for a dynamic group workout

Three 75-minute boot-camp classes per week for one or two months; nutritional counseling included