Get Rucking! How to Build Your Own Ruck Pack

Can't afford an expensive pack? Go cheap!

Rucking is an exercise that almost anyone can do. All you need is the ability to walk and a backpack.

This dead-simple exercise creates endurance and strengthens your back, legs, and core. The typical starting point is to carry one-tenth of your body weight. For example, a 200-pound guy would start with 20 lbs. For a progression, you could add 5 pounds a…