The FA medical recommendations state that: 'Since all head injuries are different in terms of the effects on the brain, no fixed time periods are applicable in professional football as to when the player should return to training and playing.
The FA medical recommendations state that: 'Since all head injuries are different in terms of the effects on the brain, no fixed time periods are applicable in professional football as to when the player should return to training and playing.
“足联的医学忠告里是这样写的：‘由于所有的头部伤势对于大脑的影响都不相同，所以对于专业足球队员没有固定的周期可以适用于何时恢复训练与比赛’。”