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目的:探讨老年骨质疏松性椎体骨折患者的腰背部伸肌肌力评定的临床效果。方法:选取本院收治的132例骨质疏松性椎体骨折老年患者,行腰屈伸的等速肌力测试实验作为观察组,同期选取132例健康人行腰屈伸的等速肌力测试作为对照组,观察并分析两组患者测试后腰屈伸峰力矩(PT)、峰力矩体质量比(PT/BW)、平均功率(AP)及总功(TW)等指标的数值变化情况。结果:两组患者均行等速肌力测试后,观察组测试PT、PT/BW、关节活动度(ROM)数值明显低于对照组,观察组测试AP、TW数值明显低于对照组,而观察组的到达峰力矩的时间(TPT)数值高于对照组,组间比较,差异具有统计学意义(P<0.05)。结论:老年骨质疏松性椎体骨折患者的腰背部伸肌肌力发生明显的生物力学改变,临床康复训练时需结合力学改变的特点制定针对性的训练计划,以便更好的促进患者恢复。
Objective: To investigate the clinical effect of assessing muscle strength of lumbar and back extensor in elderly patients with osteoporotic vertebral fractures. Methods: 132 elderly patients with osteoporotic vertebral fractures admitted to our hospital were randomly divided into two groups: control group (132 cases), isokinetic test of lumbar flexion (PT) and peak torque mass ratio (PT / BW), average power (AP) and total work (TW) of the two groups were observed and analyzed. Results: The values of PT, PT / BW and ROM in the observation group were significantly lower than those in the control group after the isokinetic test. The values of AP and TW in the observation group were significantly lower than those in the control group The value of peak time of arrival (TPT) in observation group was higher than that in control group, and the difference was statistically significant (P <0.05). Conclusion: The biomechanical changes of the strength of the lumbar and back extensor muscles in elderly patients with osteoporotic vertebral fractures have obvious biomechanical changes. In the clinical rehabilitation training, we need to make the specific training plan in accordance with the characteristics of mechanical changes in order to better promote the recovery of the patients.