Hamstring flexibility enables easy high steps and wider stems.Good stemming technique allows you to rest and relax in the middle of hard climbs, which in turn keeps you loose and unpumped.

• 腿筋的柔软度可以使脚提更高或张更开，好的支撑技巧可以使你在困难路线的中间休息放松，肌肉就不会僵硬或充血。