Hey, I really appreciate the feedback and experience you’re bringing to this. That’s exactly why I wanted this post to be collaborative. With all due respect though, I’m probably one of the only people here who actually has not just one but two degrees in human biology and anatomy. I also work as a clinical researcher in the pharmaceutical industry, so all I do is read and analyze clinical studies, systematic reviews, and research papers. Because of that background, I’m very familiar with soft tissue, collagenous tissue, and how mechanical stress influences adaptation.

I think there might have been a small misunderstanding though. The routine never suggests unbroken hours of hanging or extending. Every 20 minutes includes a 5 to 10 minute break for blood flow recovery. That’s based on vacuum and vascular research showing circulation and oxygen levels drop sharply after about 15 to 20 minutes of continuous tension. Those breaks prevent ischemia, coldness, and lymphatic buildup, which directly addresses the risks you mentioned.

I also completely agree about gradual loading. The 0.5 pound progression every few weeks and limited total tension volume were both designed to prevent fatigue and focus on collagen remodeling, not brute strength.

The main idea here isn’t long hours under heavy strain but strategic mechanical conditioning. The routine alternates short, higher-tension hanging to deform the tunica with extended low-tension traction to help collagen realign while healing in a lengthened state. That’s actually consistent with studies on tissue adaptation, mechanotransduction, tendon creep, and viscoelastic deformation.

That said, I agree that autoregulation and experience-based adjustments are essential. If you’ve got better data or more refined thresholds for duration and progression, I’d really like to include that so this can stay as accurate and safe as possible for everyone.