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Titolo:
Factor structure of trunk performance data for healthy subjects
Autore:
Lee, YH; Kuo, CL;
Indirizzi:
Natl Taiwan Univ Technol & Sci, Dept Ind Management, Taipei, Taiwan Natl Taiwan Univ Technol & Sci Taipei Taiwan Management, Taipei, Taiwan
Titolo Testata:
CLINICAL BIOMECHANICS
fascicolo: 4, volume: 15, anno: 2000,
pagine: 221 - 227
SICI:
0268-0033(200005)15:4<221:FSOTPD>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
LOW-BACK-PAIN; STRENGTH; DYNAMOMETER; MOTION;
Keywords:
trunk muscle performance; B-200; factor structure;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Lee, YH Natl Taiwan Univ Technol & Sci, Dept Ind Management, 43 Kee Lung Rd,Sec 4,Taipei, Taiwan Natl Taiwan Univ Technol & Sci 43 Kee Lung Rd,Sec 4 Taipei Taiwan
Citazione:
Y.H. Lee e C.L. Kuo, "Factor structure of trunk performance data for healthy subjects", CLIN BIOMEC, 15(4), 2000, pp. 221-227

Abstract

Objective. To examine the factor structure of various measurements of trunk muscle performance for healthy subjects. Design. A total of 22 performance scores were collected and their univariate and multi-variate relationships were examined. Background. Extensive literature exists on the measurement of trunk performance data and the relationships between measurements but what needs to be collected to realize a true performance score remains unclear. Methods. Trunk muscle performance scores of 150 subjects (71 males and 79 females) were obtained on an Isostation B-200 Dynamometer. Twenty-two parameters measuring range of motion, isometric strength, velocity, and endurance on an three planes of motion were collected. The factor structures were constructed using Principal Components Analysis. Results. Clear-cut factor patterns (explained 96.3% of the total variance)suggests that the five-factor structure might be valid and appropriate forthis population. The major loading on each factor indicated that: Factor 1could be labeled as a static strength measure; Factor 2 as velocity; Factor 3 as flexibility; and Factors 4 and 5 as fatigue-resistance. Conclusion. No single mode of measurement can provide a good representation of a total trunk muscle performance.

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Documento generato il 04/04/20 alle ore 21:49:21