Even inspecting the video, I’m very interested on even when I do the full extension of my legs, and hold the weight on my shoulders, my thighs were still quivering. This means that it was actually a very very heavy weight, and it actually exercised my muscles quite well.

How heavy can you go?

Full video

How to build a steel spine:

665 SQUAT HOLD UNRACK RACK MUTE ERIC KIM HYPELIFTING

Hypelifting by KIM

The art of the hype:

1. 640 POUND RACK PULL ERIC KIM
2. Squat Hold
3. 610 POUND RACK UNRACK SQUAT
4. 630 POUND RACK HYPELIFTING PULL ERIC KIM SUPER SAIYAN
5. The Zen of Hypelifting
6. How to Start Hypelifting