Not only are group exercisers more loyal than non-group exercisers, but the study also found that members who have multiple reasons for visiting the health club are more loyal than those who have one reason to visit.
New research by Les Mills suggests strict weekly limits on HIIT training for maximum effectiveness, while a new ACE report outlines the benefits of HIIT resistance exercise when compared with traditional workouts.
The hourly wages of various fitness instructors fall between $23 and $31, according to IHRSA's 2018 U.S. Fitness Professional Outlook report. Find out in this gallery how each instructor type ranks by full-time and part-time hourly pay.