Top 10 Fitness Programs and the Percentages of Club Offering Them
PROGRAM 1999 1998 1997 1996
Personal Training 87% 80% 82% 66%
Group Strength Training 77% 80% 75% 63%
Stretching/Flexibility 73% 72% 79% 69%
Step Aerobics 71% 82% 86% 77%
Abdominal Classes 71% 73% 76% n/a
Circuit Training 70% 70% 75% 58%
Boxing-Based Classes 69% 44% 34% 24%
Low-Impact Classes 66% 77% 85% 80%
Interval Training 64% 73% 75% n/a
Yoga 64% 53% 54% 31%

source: IDEA Fitness Programs Survey