Bulletproof Back & Knees Bundle

Sale price$135.00 Regular price$200.00
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Bulletproof Back & Knees Bundle

Three Tools.
One System.

Built for anyone who wants to train hard, run far, and move well, without breaking down.

Bundle Benefits

What This Bundle Does For You

01 / 03
What's In The Bundle

Three Products.
Built to Work Together.

Everything you need in one box. Nothing you don't.

Product Features

What You Get

01 / 03
The Science Behind It

3 Main Reasons

There's a biomechanical reason elite coaches have used heel elevation for decades — and it works from your very first rep.

Improves Squat Depth Immediately

Limited ankle mobility restricts how deep you can squat. Heel elevation reduces the dorsiflexion demand at the ankle, allowing your knees to travel forward naturally so you can hit full depth from rep one.

📄 Study Ankle dorsiflexion demand significantly decreased with heel elevation — particularly advantageous for those with limited ankle mobility. Lu et al., MDPI Bioengineering, 2022

Increases Quad Activation

Heel elevated squats shift more load onto your quads and glutes — the muscles that are supposed to be doing the work. More quad activation means stronger legs, better knee tracking, and more effective training.

📄 Study Significant increases in vastus lateralis (quad) activation observed when heels were elevated during barbell squats. MDPI Systematic Review, 2025

Keeps Your Torso More Upright

Excessive forward lean during squats is one of the most common form breakdowns. Heel elevation allows your torso to stay upright naturally, reducing trunk lean and keeping your center of mass balanced over your feet.

📄 Study Higher wedge height produced a more upright trunk position during back squats — the steepest wedge showed the greatest reduction in trunk lean. Monteiro et al., Human Movement, 2022