[Retracted] Content System of Physical Fitness Training for Track and Field Athletes and Evaluation Criteria of Some Indicators Based on Artificial Neural Network

Table 2

Main training methods used in physical training.

Name	High-intensity interval training	Short repetition training	Transform training
Usage frequency	21%	33%	46%
Heart rate	180 times/min	90 times/min	90 times/min
Intermittent time	Relatively adequate	More adequate	More adequate
Intermittent form	Walk, sit	Sit, massage	Walk, sit, massage
Energy supply form	ATP-CP	ATP-CP	ATP-CP