Because of the physical differences between boys and girls, resulting in a difference in the weight of the elastic band training. Girls' muscle strength is worse than boys, boys in the elastic band weight-bearing exercises, we must increase their training weight, so that their fitness effect is more obvious. So how to choose the weight of the elastic band?
As the largest muscle group in the arm, the triceps determines the circumference of the arm. The triceps and biceps are like brothers and together they make up our upper arm, while the small arm makes up the lower arm.
In summer, we need to do a good job of sun protection, but also need to pay attention to timely hydration, so we mostly choose a relatively convenient cup or cold water cup.
Eason's "Ten years" "Your backpack" Have heard, but two young men from europe, but really dry "With ten years to do backpack" This thing.