Objective To quantitatively assess the lower extremity muscle strength of the elderly. Methods From December, 2016 to March, 2017, 50 old subjects were enrolled. The evaluation indexes of lower extremity muscle strength of the elderly were determined as hip abductors, hip adductors, hip extensors, hip flexors, knee extensors, knee flexors, ankle dorsiflexors and ankle plantarflexors with the hand-held dynamometry. The data of 50 subjects were collected and the grey relational analysis model was used to make the decision and evaluation. The grading criteria for lower limb muscle strength of the elderly were given by Manual Muscle Test. Results Totally, 13 elderly subjects were well-matched, and the other 37 subjects were mildly disordered. Conclusion Based on the need for quantitative assessment of muscle strength of the lower limbs in the elderly, an objective evaluation model of the lower extremity muscle strength of the elderly was es-tablished, which facilitated to grade the elderly lower extremity muscle strength and then to carry out different rehabilitation guidance.%目的 对老年人下肢肌力进行量化评估.方法 2016年12月至2017年3月,50名老年受试者纳入研究.确定了老年人下肢肌力评估指标,包括髋外展肌、髋内收肌、髋伸肌、髋屈肌、膝伸肌、膝屈肌、踝背屈肌、踝跖屈肌,并结合手持式肌力测试仪(HHD)进行等长肌力测试.建立灰色关联分析法数学模型进行决策与评估,通过徒手肌力检查(MMT)给出的老年人下肢肌力的分级标准进行评判.结果 能力完好的老年受试者为13名,其余37名属于轻度障碍水平.结论 基于对老年人下肢肌力量化评估需求,建立了一种老年人下肢肌力的客观评估模型,便于为老年人下肢肌力分级,进而进行不同的康复指导.
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