Best Dumbbell Leg Workout for Lower-Body Strength
The single-arm dumbbell swing offers more core activation than the standard two-arm swing. Some like to keep the dumbbell in ...
来自MSN12 个月
Running arm swing: Why it's important and how to improve it
“Arm swing is often an overlooked part of having an efficient running form,” says Dave Berdan, two-time winner of the Baltimore Marathon, former collegiate coach, and current coach with RunDoyen.