拱肩驼背的人不仅显得体态不优美,身高比正常也显得矮些,在体育活动和劳动中常比别人容易气急,从而影响耐力。这是因为脊柱弯曲后使胸腔容积缩小,呼吸时胸腔的活动受到限制,出入肺部的空气就比正常情况减少。当劳动或运动身体对氧气的需要量大大增加时,即使加快呼吸,也还是不能吸收充足的氧气来满足身体的需 Humpback hunters not only appear to be the body is not beautiful, shorter than normal height, in sports and work often easier than others, so as to affect endurance. This is because the curvature of the spine reduces the volume of the chest and limits the activity of the chest when breathing, reducing the amount of air entering and leaving the lungs. When the need for oxygen in work or exercise is greatly increased, even if we speed up breathing, we still can not absorb enough oxygen to meet the body’s needs