[Retracted] Progress Planning Method of Strength Quality Training of Volleyball Players Based on Data Mining

Table 2

Training methods of trunk strength of volleyball players.

Denomination of dive	Effect	Using instruments	Weight (%)	Number of groups × frequency
One hand side pull	Internal and external oblique muscle of abdomen	Big dumbbell	55∼65	3∼3 × 7∼12
Weight-bearing swivel	Internal and external oblique muscles, gluteus maximus	Barbell	65∼75	3∼4 × 6∼9
Weight lifter	Biceps femoris, gluteus maximus	Barbell	75∼85	5∼6 × 6∼11
Bow body	Biceps femoris, gluteus maximus	Barbell	75∼85	6∼8 × 2∼4
Width pull-up	Stretch trunk, knee and foot flexors	Barbell	75∼85	6∼ × 2∼4
Straight leg hard pull	Biceps femoris, gluteus maximus	Barbell	75∼85	6∼8 × 2∼4
Abdominal curl	Rectus femoris, iliopsoas, rectus abdominis	Sand coat, bell piece	55∼65	3∼ × 9∼12
Inclined plate abdomen and leg lifting	Rectus femoris, iliopsoas, rectus abdominis	Sand shinguard or confrontation	55∼65	3∼ × 4∼12