Combines DonJoys proven 4-Points-of-Leverage System# with our patented FourcePoint# hinge technology, the most powerful and clinically-proven solutions available to protect the ACL1,2. Created for all activity levels, FULLFORCEs sleek, low profile and exceptionally light weight have made it the go-to prefabricated brace for competitive and recreational athletes of all kinds.(1Beynnon et al. 1992. Beynnon et al. 1995. Beynnon et al. 1997. Fleming et al. 2000. 2Garrett and Yu, AJSM, 2004)