10Acious is a high-energy, heart-pumping series that gets you stronger and leaner in just 10 minutes. Designed by trainer Nicky Holender, each workout has a fast warm-up and cool-down, with six challenging exercises performed for 45 highly intense seconds. Stack these workouts for a longer session, or do one alone for a fast, effective burn. This one's definitely a 10.

Dive into Allison's Ballroom Basics course that walks you through the salsa, jive and cha-cha techniques! As you explore the basics in each class, remember to have fun and find your unique style.

Heavy Kettle lets you get a grip on fitness by building muscle, improving strength and getting functional training. No shiny bars or gym sets; this is classic kettlebell all the way. Trainer Alex Isaly designed this program with three individual kettlebell workouts mixed with body-weight training. Your only prescription: more kettlebell!