Your leg muscles are often applauded for doing most of the work on a run. But you’re not just running around with your arms tucked by your sides—at least you shouldn’t be. Instead, your arms swing ...
Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Neck and upper back muscles ...