The flesh around the knee joint provides a certain amount of natural padding, and players build up scar tissue over their careers. Inserting a rigid knee pad insert would create wrinkles and bunching in the fabric, which could actually create pressure points and skin irritation.
The Evolution of NFL Knee Protection and Equipment Standards
The existing foam padding sewn into the sides of the pants is flexible enough to contour to the leg during movement, providing a baseline of cushion without the rigidity of a dedicated knee cap. The modern era of protective gear began in the mid-20th century, driven by the need to prevent catastrophic injuries.
The NFL has strict regulations on what players are allowed to wear to ensure a level playing field. The sight of a massive man weighing over 300 pounds hitting the ground at full speed without any protection on his knees immediately raises a question for the casual observer.
The Evolution of NFL Knee Protection and Equipment Standards
A player wearing stiff knee pads would be unable to plant his leg effectively, leading to lost yards on runs and reduced power in tackles. However, the equipment that exists today is the result of decades of research, testing, and regulation by the NFL and the National Operating Committee on Standards for Athletic Equipment (NOCSAE).
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