Fitness Top 10 Fitness Trends For 2013 by Yesha Callahan — Nov 6, 2012 Group personal training A boon for budget-conscious clients, personal trainers now often provide services to small groups of two to four people at deep discounts. Share this:FacebookTwitterGooglePinterestTumblrEmail Related 1 2 3 4 5 6 7 8 9 10 11 around the web