Stabilized Hinged Open Knee SupportHINGED OPEN KNEE SUPPORT 894 Helps with strains, sprains, instability and patellar tracking Supports and stabilizes injured, weak or arthritic knees during occupational and sporting activities Open patella design and stitched buttress helps provide added support whilst the heat therapeutic neoprene helps warm muscles and joints Two point geared hinge system on either side, helps control flexion and extension movements The Neo G Hinged Open Knee