Gym owners like weight machines because they're easy for their clientele to use – the problem is they work only a single muscle group at a time. Trainers know that functional strength comes from barbell exercises that recruit multiple muscles, such as squats. A great guide to functional exercises is 'Athletic Development,' by Vern Gambetta.
Credit: Getty Images
Powered By ZergNet
Jimmy Fallon's Rules for Success
Work Your Ass Off, Make It Look Easy
Plus: The Wolf of Weed Street
ON NEWSSTANDS NOW
Is Monogamy Insane?
Life Advice from Jeff Daniels
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.