A neck roll should prevent the neck from excessive lateral and rotational movements.
The primary purpose of a neck roll is to provide support and stability to the neck, particularly during contact sports like football. By positioning the neck roll snugly against the back of the neck, it acts as a cushion and restricts excessive lateral and rotational movements. This is crucial in preventing burners or stingers, which are injuries that occur when the nerves in the neck and shoulder area are compressed or stretched due to sudden impact or forceful movements.
When an athlete experiences a burner or stinger, it often results in a sharp, burning pain that radiates down the arm. This injury can be caused by movements that excessively strain or compress the neck, such as hyperextension, lateral flexion, or rapid rotation. By limiting these movements, a properly fitted neck roll helps to reduce the risk of nerve compression or stretching, thereby minimizing the likelihood of burners or stingers.
Additionally, the neck roll also serves as a reminder to maintain proper tackling technique and head positioning. It encourages athletes to keep their heads up and avoid leading with the crown of the helmet, which can significantly reduce the risk of neck injuries.
In summary, an effective neck roll should prevent the neck from excessive lateral and rotational movements, providing support, stability, and protection against burners or stingers. By limiting these movements, it helps safeguard the delicate nerves in the neck and shoulder area, reducing the risk of injury.
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In the chronic pulmonary disease ___, the alveolar walls lose their elasticity, become overinflated, and eventually ruptur
In the chronic pulmonary disease emphysema, the alveolar walls lose their elasticity, become overinflated, and eventually rupture.
Emphysema is a lung condition that develops when the alveolar walls in our lungs are harmed. It is possible for an obstruction (blockage) to form, trapping air in your lungs. It is a gradual degenerative disease, that affects the suppleness of the alveolar walls, which ultimately affects the lungs' capacity to exhale air.
A serous membrane called a pleura folds back on itself so as to to create a two-layered membranous sac called pleural sac. The parietal pleura, i.e. the outer layer's name, is connected to the to the chest wall.
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