The objective of the present study was to evaluate the association of hip muscle strength, dynamic balance and functional capacity in the older adults aged 60 to 79 years and older adults aged 80 years and older. A total of 191 community-dwelling older adults participated in this study. Isometric muscle strength was quantified as the peak torque (PT), measured using an isokinetic dynamometer. Functional capacity was determined by the forward step test (ST) and the dynamic balance by the tandem gait (TG) test. The hip flexor, extensor, abductor and adductor PT in the older adults aged 60 to 79 years had a positive influence on the execution of the step test (p < 0.05). The peak adductor torque did not show a significant association with tandem gait (p = 0.649). In older adults aged 80 years and older, the peak adductor torque was the only one that showed an association with the performance of the ST (p = 0.001) and TG (p = 0.024) tests. The hip adductors may have a higher contribution in adults aged 80 years and older during the execution of clinical tests. These findings are relevant to clinical practice as they can help in the development of appropriate physical exercise programs targeting older adults of different age groups.

本研究的目的是评估 60 至 79 岁老年人和 80 岁及以上老年人髋部肌肉力量、动态平衡和功能能力之间的关联。共有 191 名居住在社区的老年人参与了这项研究。等长肌肉力量被量化为峰值扭矩 (PT)，使用等速测功机测量。功能能力由前步测试（ST）确定，动态平衡由串联步态（TG）测试确定。60 至 79 岁老年人的髋屈肌、伸肌、外展肌和内收肌 PT 对阶梯测试的执行有积极影响（p < 0.05）。峰值内收肌扭矩与串联步态没有显着关联（p = 0.649）。在 80 岁及以上的老年人中，峰值内收肌扭矩是唯一显示出与 ST (p = 0.001) 和 TG (p = 0.024) 测试性能相关的扭矩。在执行临床试验期间，髋内收肌在 80 岁及以上的成年人中可能有更高的贡献。这些发现与临床实践相关，因为它们可以帮助针对不同年龄组的老年人制定适当的体育锻炼计划。