
What is HSI
Lift On Strongman HSI (Hybrid Strength Index) is an international benchmark system designed for everyone — from everyday lifters to elite athletes — to test and compare their hybrid strength capabilities.
“An international Hybrid Strength Benchmark for everyone.”
For the first time ever, HSI offers a standardized testing protocol that integrates raw strength, muscular endurance, and functional fitness — making it the most complete strength evaluation system available today.