Lay a monster tire flat on ground. With your feet shoulder width apart, swing the sledge hammer overhead and strike the tire as hard as possible alternating left and right.

Sledgehammer workouts: For arms like Thor’s, buy a sledgehammer at the hardware store, grab a tractor tire from your local dump, and dive into this routine. By Matt Tuthill, C.S.C.S. With a new Thor ...

Sledgehammer training--wherein one exercises by lifting, swinging, and mashing an industrial-grade sledgehammer into an old, worn-out rubber tire--is really, really good for you. The movement ...

You've probably seen people work out with tires at the gym and wondered one thing: "Why?" As it turns out, tire workouts help build strength and endurance and burn major calories. Plus, it's a nice ...

Marlins slugger Giancarlo Stanton gets his power by beating up on tires in the off-season. Miami Herald file photo Marlins opponents might be quaking in their cleats after watching a workout video ...