Dây Đai Kháng Lực Hỗ Trợ Tập Thể Thao

Material:latex.
Brand new with high quality
Color:green,blue,yellow,red,black
Circumference:500mm/600mm
Width:50mm
Description:
1.Can effectively improve muscle strength, physical mobility and flexibility. Improve athletic performance, to help treating a variety of chronic diseases.
2.When you pull the elastic band from the beginning,the longer you pull ,the bigger resistance you will get it.
The size of elastic band is in charge of the muscle strength.
How to use :
1.Training for 2 to 3 groups, each group of training repeat 8 to 12 times.
2.Take elastic band fixed on the fixed object of the ground, then form a ring.
3.Lie on the training mat, keep the knees bending. Elbow straight and do sit-ups moves upwards, the shoulder blade off the ground Keep on and continue to do this exercise.
Package Includes:
1XResistance elastic band
Notice:
1.1cm=10mm=0.39inch.
2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering.
3.Please understand that colors may exist chromatic aberration as the different placement of pictures.