Poor correlation between handgrip strength and isokinetic performance of knee flexor and extensor muscles in community-dwelling elderly women

被引:46
作者
Felicio, Diogo Carvalho [1 ]
Pereira, Daniele Sirineu [1 ]
Assumpcao, Alexandra Miranda [1 ]
de Jesus-Moraleida, Fabianna Resende [1 ]
de Queiroz, Barbara Zille [1 ]
da Silva, Juscelio Pereira [1 ]
de Brito Rosa, Naysa Maciel [1 ]
Domingues Dias, Joao Marcos [1 ]
Maximo Pereira, Leani Souza [1 ]
机构
[1] Univ Fed Minas Gerais, Dept Phys Therapy, Post Grad Program Rehabil Sci, Sch Phys Educ Phys Therapy & Occupat Therapy, Belo Horizonte, MG, Brazil
关键词
elderly; handgrip; isokinetic muscle performance; muscle strength; sarcopenia; DYNAMOMETER MEASUREMENTS; GRIP STRENGTH; OLDER; SARCOPENIA; PREDICTOR; LIMB; HIP;
D O I
10.1111/ggi.12077
中图分类号
R592 [老年病学]; C [社会科学总论];
学科分类号
030301 [社会学]; 100201 [内科学];
摘要
AimTo investigate the correlation between handgrip strength and performance of knee flexor and extensor muscles determined using an isokinetic dynamometer in community-dwelling elderly women. MethodsThis was a cross-sectional study. Sample selection for the study was made by convenience, and 221 (71.074.93 years) community-dwelling elderly women were included. Knee flexor and extensor muscle performance was measured using an isokinetic dynamometer Biodex System 3 Pro. The isokinetic variables chosen for analysis were peak torque, peak torque/bodyweight, total work/bodyweight, total work, average power, and agonist/antagonist ratio at the angular velocities of 60 degrees/s and 180 degrees/s. Assessment of handgrip strength was carried out using the Jamar dynamometer. Spearman's correlation coefficient was calculated to identify intervariable correlations. ResultsOnly knee flexor peak torque (60 degrees/s) and average power (60 degrees/s), and knee extensor peak torque (180 degrees/s) and total work (180 degrees/s) were significantly (P<0.05), yet poorly, correlated with handgrip strength (r<0.30). ConclusionThe majority of analyses did not show any correlation between variables assessed by isokinetic dynamometer and handgrip dynamometer. Caution is required when generalizing handgrip strength as a predictor of global muscle strength in community-dwelling elderly women. Geriatr Gerontol Int 2014; 14: 185-189.
引用
收藏
页码:185 / 189
页数:5
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