To accomplish this, simply push a weighted sled across the ground. This increases functional endurance, strengthens the upper body, and increases total power. A sandbag is a multipurpose tool that ...

200-pound sled drag, 200-pound sandbag carry, kettlebell toss, and walking lunges. And while the endeavor would cause nearly every muscle to seize from overuse, it would also pose an enormous ...

And the grippy outsole, conveniently distributed primarily towards the forefoot, clawed the turf like an animal during weighted sled pushes ... a race-ending injury. Sandbag lunges are hard ...