[Retracted] Research on the Protection of Extensor and Flexor Muscles in the Waist and Back of Competitive Athletes

Table 2

Evaluation results of maximum isometric muscle strength of subjects in each movement direction of lumbodorsal muscles.

Groups	Comparison period	Forward bends (nm)	Stretch back (nm)	Left lateral flexion (nm)	Right lateral flexion (nm)	Left-handed (nm)	Right-handed (nm)
Control group	Before the intervention
	Intervention for 5 weeks
Experimental group	Before the intervention
	Intervention for 5 weeks