Do You Need Mirrors When Lifting Weights?
by Beth Skwarecki on Vitals, shared by Beth Skwarecki from Lifehacker on (#5CP89)
Just about every commercial gym has a giant wall of mirrors, whether surrounding the whole space or lining the portion of the gym with the dumbbell rack. Watching yourself in the mirror can help you to make sure you're lifting with the correct form and using the right muscles-so what the heck do you do if you're...