09/08/2026
Backflip Drop: 600+ Pounds of Force. Weights Are Massively Overrated.
Adam Berg. Gym Freerun. Backflip drop.
A back flip is basically just a reverse crunch done airborne while resisting centrifugal force of up to 2 or more G's. That's like pulling a reverse crunch with 200 pounds or greater. That's what creates that tucked rotation in the air — powerful core strength, the kind you don't get from crunches or workouts in the gym.
Then add the drop. Jumping down or a flip down from a ledge can generate 2, 3, even 10 times bodyweight on impact. That means this flip down to the ground is 600 pounds or more of force. And these impacts happen in daily life, at weird angles, which is what messes people up.
Nothing worse than heavy lifting creating the illusion of strength and then going and doing some basic jumps or vaults and blowing out knees. We've seen it happen.
You get hurt in sports, activities, or daily life because you're just completely undertrained.
Look at our gym and you realize it's not fancy at all — just simple items to hang from, floor space, and a few mats for advanced skills. A mat, a block, and a wall. The magic is in the coaching and community.
Roll or die. Rolls save lives. If you don't know how to vault and roll, you're missing a huge piece of normal human movement.
Jumps, drops, and vaults are best, just like we did when we were children. Me and my students don't use weights. We use jumps, running, vaulting, drops. They build the legs to handle forces upwards of 3 to 10 times bodyweight, which is far superior than a squat.
But don't mistake media for a mentor. Get one, listen, and implement.
Lee Weiland, Pacific Rim Athletics, creator of Powerbatics. Welcome to training.