期刊
JOURNAL OF BACK AND MUSCULOSKELETAL REHABILITATION
卷 14, 期 3, 页码 89-97出版社
IOS PRESS
DOI: 10.3233/BMR-2000-14303
关键词
trunk; endurance; isometric; force; measures; relationship
The purpose of this study was to determine the relationship between Ave common methods of measuring isometric trunk strength and endurance: Isometric flexion and extension tests, an upright lifting task, and timed isometric flexion and extension endurance tests. Fifty-six healthy individuals (aged 18-65 years) with no history of back problems or disease volunteered for this study. Data were analyzed using a Pearson Product Moment Correlation Coefficient and Student's T-test. Significant relationships (p < 0.0001) were found between the B-200 isometric extension and upright pull (r = 0.75); B-200 isometric flexion and upright pull (r = 0.78): and B-200 isometric flexion and B-200 isometric extension (r = 0.80). Men demonstrated greater strength than women in B-200 isometric flexion and extension, as well as in the upright pull measures (p < 0.05). A variety of measures are frequently used to evaluate trunk strength in force production and endurance. Although strong correlation was observed among measures of force, no significant relationships were demonstrated between endurance and force measures. This suggests that a subject who demonstrates a strong performance on strength test of force may not necessarily display an equally strong performance on a strength test of endurance. Hence, to obtain a full picture of a person's performance capabilities, measures of both fur ct: and endurance should be incorporated into evaluation protocols.
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