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文献报告,随年龄组的增加,临床检查跟腱反射(T)消失者增多。Milne 和Willa-mson 报道在63～69岁年龄组中,20%的男性和37%的女性跟腱反射消失,并随年龄增加此百分比增大。用电诊断的方法辅助临床诊断发现,踝反射的消失率随年龄增加而稳定地增长,70～79岁的年龄组中,42%的女性和36%的男性踝反射消失。Baist 等用39例年龄在18～81岁的正常人记录了踝反射所引出的肌肉动作电位,发现在反射变化和年龄之间只有一很小的、无显著性的相关。
Literature reports, with age group increased, clinical examination with tendon reflex (T) disappeared. Milne and Willamson reported that in the 63- to 69-year age group, 20% of the males and 37% of the women lost their Achilles reflexes and this percentage increased with age. The diagnostic method used to aid clinical diagnosis found that the disappearance rate of ankle reflexes increased steadily with age, and in the age group of 70-79, 42% of women and 36% of men disappeared at the ankle. Baist et al. Recorded the motor action potentials induced by ankle reflex in 39 normal individuals aged 18-81 and found only a small, insignificant correlation between changes in reflexes and age.