[Retracted] Intelligent Design of Tennis Player Training Schedule Based on Big Data of Complexity

Table 2

Strength test index description.

Variable	Name	Unit
V1	3RMBench press	kg
V2	Toss a solid ball with closed forehand footwork	m
V3	Toss a solid ball with backhand closed footwork	m
V4	Throw a solid ball over the head of the serving station	m
V5	Jump in place and touch high	cm
V6	One-legged vertical jump and touch high (left side)	cm
V7	One-legged vertical jump and touch high (right side)	cm
V8	Squat on one leg (left)	Frequency
V9	Squat on one leg (right)	Frequency
V10	Eight-level abdominal bridge	Level