Study on the Characteristics of the"Sensitive Period"in the Development of Physical Fitness in Adolescents and the Mechanism of the"Spillover Effect"of Training Interventions
Developing physical fitness is fundamental to enhancing human athletic ability.The basic characteristics of the"sensitive period"for physical fitness development include limited sensitive timing,the irreversible and specific effects of training.The peak height velocity(PHV)is the effective method to establish the"sensitive period"for physical fitness de-velopment.The human body becomes more sensitive to training interventions during phases of rapid development in neural,muscular,and other organ tissues,and surges in hormone levels,leading to a"spillover effect"of training interventions.Appropriate training interventions during the"sensitive period"can accelerate the development of physical fitness,achieving more with less effort.The research aims to provide scientific basis for physical education and exercise for children and adoles-cents,help them develop more effective training plans,and promote the overall development of physical fitness.
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