Serving all subspecies of fitness nut, from moderate enthusiast to Shake Weight prophet, Body Mechanix is home to a certified, passionate staff and more than two dozen weekly sweat-and-grunt-powered fitness classes. Today’s deal lets you choose any 8 sessions from 11 separate classes that tone bodies of all shapes, ages, and Bill Nye the Science Guy–tattoo preferences. Classes include Core Pilates, a 60-minute session that promotes strength and flexibility, and Silver Sneakers, a 45-minute cardio-heavy course for exercisers 64 and older. Most classes last 45–60 minutes, except for the abs workout, which takes only 15 minutes to start fashioning prominent abdominal muscles just in time for pleather swimsuit season. Check the website for an up-to-date course schedule.