A group of Finnish researchers have found that dietary Xylitol prevents weakening of bones in laboratory rats, and actually improves bone density.
一组芬兰的研究员发现饮食中的木糖醇能预防实验老鼠中骨头的弱化，且提高骨头的密度。
As a result jumping improves dynamic balance and coordination, reflexes, bone density and muscular endurance.
其结果是跳绳提高动态的平衡和协调，反射，骨密度和肌肉耐力。
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