Although Black Friday hasn't officially kicked off, plenty of retailers are beginning their extra savings ahead of time. Stores such as Walmart , Nike , Dick's Sporting Goods , and a handful of others are currently promoting their holiday sales with discounts on everything from adjustable dumbbells to workout wear and beyond. If you're hoping to get a jumpstart on bettering your health before the New Year's resolutions hit your local gyms or sell out all of the fitness equi...
