Abstract:
AIM:To investigate the correlation between handgrip strength and performance of knee flexor and extensor muscles determined using an isokinetic dynamometer in community-dwelling elderly women. METHODS:This was a cross-sectional study. Sample selection for the study was made by convenience, and 221 (71.07 ± 4.93 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°/s and 180°/s. Assessment of handgrip strength was carried out using the Jamar dynamometer. Spearman's correlation coefficient was calculated to identify intervariable correlations. RESULTS:Only knee flexor peak torque (60°/s) and average power (60°/s), and knee extensor peak torque (180°/s) and total work (180°/s) were significantly (P < 0.05), yet poorly, correlated with handgrip strength (r < 0.30). CONCLUSION:The 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.
journal_name
Geriatr Gerontol Intjournal_title
Geriatrics & gerontology internationalauthors
Felicio DC,Pereira DS,Assumpção AM,de Jesus-Moraleida FR,de Queiroz BZ,da Silva JP,de Brito Rosa NM,Dias JM,Pereira LSdoi
10.1111/ggi.12077subject
Has Abstractpub_date
2014-01-01 00:00:00pages
185-9issue
1eissn
1444-1586issn
1447-0594journal_volume
14pub_type
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