What do Recoil mean by scientifically proven?

Recoil completed a study with The University of Strathclyde, in Glasgow, Biomedical
Engineering department which revealed that not only did our kneepads rank number 1 for reducing pressure on your knee joints (compared with competitors kneepads at that time), but they were able to spread the pressure evenly across the knee which helps further protect your knees against pressure induced injuries.