Sports. The most common cause of back injuries in young adults is participation in competitive sports. Contact sports like football can cause irreversible damage to the nervous system. There have been many advancements in safety with contact sports that make it more enjoyable for everyone. Back injuries while playing on the field can happen in an instant. Physical contact is the main culprit, but back injuries can occur from a simple fall on soft ground. The human body is much more fragile than most people realize. That’s why it is so crucial that players always take the necessary precautions when competing in any scenario. There’s a reason why hockey players have so much padding.