Changes of upright body posture in the sagittal plane of men and women occurring with aging - a cross sectional study.

For knee angle, there is an increasing trend with aging in women and a slight increase after 50 yrs. in men although without statistical significance (Fig. 3 c).

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For neck angle, a decreasing trend with aging is showed in women and no obvious trend has been observed in men, except that the angle of 80-89 yrs. is greater than that of 60-69 yrs. in men (Fig. 3 a).

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