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Football: A Biomechanic Analysis

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Introduction American football is one of greatest pastimes and the most popular spectator sport, reaching many households in the US and more than 150 countries when the Super Bowl is played (5). A sport that captivates the family, unites the audience, and supports its homeland, football is a multi-billion-dollar industry. The intention of this paper is to zoom in on the biomechanics of this beloved sport, specifically understanding the importance of the defensive lineman stance as it is critical to the success of a football team. To clarify, while a team could score play after play, if their defense does not hold up the team may still lose and if the offense only has a few successes, but the defense is strong, the team is likely to perform …show more content…

It is similar to a sprint start stance, which will be explored further. One hand is on the ground by its fingertips. The other arm should be bent, elbow in with hand under facemask, ready to strike. The front foot is flat on the ground. This position allows players to get their hands prepared for a contact situation right from the inception of the play. It is well-understood that the low man wins in football with a lower center of gravity. In this position it is important to have great hand placement, active feet and low mobility …show more content…

For the head and neck, the motion that occurs is an extension. Some muscles act concentrically or shortening. Other muscles act eccentrically, meaning the muscles lengthen while producing force. Additionally, other movements involved include shoulder striking and flexing, elbow flexion, extension, hip flexion, neutral back and core, shoulder, elbow, knee flexion, and forearm, wrist, hand extension and flexion, foot dorsiflexion and plantarflexion (7). With myriad techniques required in this complex movement, it is important for proper strength and conditioning strategies in order to disrupt the passing game and shut down the running game. Lineman are expected to excel in sprints and change of direction ability test (1) (9). “Regarding professional football players, power, speed, and agility have been shown to be valid predictors of draft status and have been found to differentiate between college players that are drafted by the NFL and players that do not get drafted (5).” The athletes have become stronger, faster, and more powerful over the past 20 years

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