From Men’s Health:

“American soldiers have been doing a simple fitness activity since the American Revolution, and it’s turned our military into the fittest, most feared fighting force in the history of the world.

That activity: rucking, or walking with a weighted pack on your back.

…

“Rucking is great for the average person,” says Doug Kechijian, Doctor of Physical Therapy at Peak Performance, in New York City, and a former US Special Forces soldier. “It’s simple, and it delivers a lot of health and fitness benefits.” “

Read full article here and learn more about rucking here.