Product Line
Dark Kinetics: Hamstring Engineering
Posterior chain science — nordic progressions, eccentric control, and jump-force development.
The hamstring engineering line is built for athletes who need real posterior chain output — not leg curl volume. Two sequenced protocols: eccentric mastery through nordics, and explosive transfer through jump-focused strength work.
Protocols
Two systems. One posterior chain focus.
Run nordic mastery for eccentric control, explosive hamstrings for jump-force transfer — or take the quiz to identify your entry point.
Nordic Hamstring Mastery
Master the nordic curl through intelligent progressions.
For: Athletes, lifters, footballers, sprinters, jumpers, and anyone serious about ham...
Explosive Hamstrings: Jump Higher
Build posterior chain power for athletic explosiveness.
For: Athletes and lifters who want more explosive lower body power, stronger hamstrin...
Not sure which hamstring protocol to start with?
The system quiz maps your goal, level, and equipment to the right entry point.