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Titolo:
BIORHEOLOGICAL RESPONSES OF THE INTACT AND NUCLEOTOMIZED INTERVERTEBRAL DISKS TO COMPRESSIVE, TENSILE, AND VIBRATORY STRESSES
Autore:
ISHIHARA H; TSUJI H; HIRANO N; OHSHIMA H; TERAHATA N;
Indirizzi:
TOYAMA MED & PHARMACEUT UNIV,FAC MED,DEPT ORTHOPAED SURG,2630 SUGITANI TOYAMA TOYAMA 93001 JAPAN
Titolo Testata:
Clinical biomechanics
fascicolo: 5, volume: 8, anno: 1993,
pagine: 250 - 254
SICI:
0268-0033(1993)8:5<250:BROTIA>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
KELVIN-SOLID MODELS; MECHANICAL-BEHAVIOR; SPINE;
Keywords:
INTERVERTEBRAL DISC; NUCLEOTOMY; BIORHEOLOGY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
H. Ishihara et al., "BIORHEOLOGICAL RESPONSES OF THE INTACT AND NUCLEOTOMIZED INTERVERTEBRAL DISKS TO COMPRESSIVE, TENSILE, AND VIBRATORY STRESSES", Clinical biomechanics, 8(5), 1993, pp. 250-254

Abstract

Using intact and nucleotomized discs obtained from porcine coccyges, the biorheological responses to compressive, tensile, and vibratory stresses were investigated; in particular the creep characteristic change in compressive and tensile stresses, and the dynamic elastic modulusand dissipated energy under vibratory stress were analysed. In the nucleotomized disc the viscosity coefficient and the dissipated energy were decreased. However, the elastic modulus and the dynamic elastic modulus were increased compared to the intact disc under compressive andvibratory stresses, but there was no difference between intact and nucleotomized discs in the creep response to tensile stress. After nucleotomy the disc and surrounding structures of the disc are likely to beexposed to severe mechanical stresses. These mechanical stresses on the nucleotomized disc might accelerate degeneration of the disc due tothe biorheological, nutritional, and biological alterations.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 19:45:16