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Titolo:
AGE-RELATED DIFFERENCES IN COLLAGEN CRIMP PATTERNS IN THE SUPERFICIALDIGITAL FLEXOR TENDON CORE REGION OF UNTRAINED HORSES
Autore:
PATTERSONKANE JC; FIRTH EC; GOODSHIP AE; PARRY DAD;
Indirizzi:
MASSEY UNIV,DEPT VET CLIN SCI,PRIVATE BAG 11-222 PALMERSTON NORTH NEWZEALAND UNIV BRISTOL SCH VET SCI,DEPT ANAT BRISTOL BS2 8EJ AVON ENGLAND MASSEY UNIV,DEPT PHYS PALMERSTON NORTH NEW ZEALAND
Titolo Testata:
Australian Veterinary Journal
fascicolo: 1, volume: 75, anno: 1997,
pagine: 39 - 44
SICI:
0005-0423(1997)75:1<39:ADICCP>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
MECHANICAL-PROPERTIES; MORPHOLOGY; ULTRASTRUCTURE; LIGAMENT; FIBRILS; TISSUES; FIBERS;
Keywords:
HORSE; TENDON; AGE; COLLAGEN; CRIMP; FIBRIL DIAMETER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
J.C. Pattersonkane et al., "AGE-RELATED DIFFERENCES IN COLLAGEN CRIMP PATTERNS IN THE SUPERFICIALDIGITAL FLEXOR TENDON CORE REGION OF UNTRAINED HORSES", Australian Veterinary Journal, 75(1), 1997, pp. 39-44

Abstract

Objective To measure collagen fibril crimp angles and lengths as wellas collagen fibril mass-average diameters in central and peripheral regions of the superficial digital flexor tendon of wild horses, to ascertain any age-related changes in either region in the absence of imposed galloping exercise. Design Measurements from a random cull of wildhorses. Sample population Superficial digital flexor tendon samples were taken from 23 wild horses ranging in age from two to ten years. Procedure Horses were divided into 'young' (< 5 years, n = 10), 'middle-aged' (5 to < 10 years, n = 9) and 'old' groups (10+ years, n = 4) andthe mean crimp angle, mean crimp length and collagen fibril mass-average diameter calculated for the central region, and for the peripheralregion of each group. Differences between groups and regions were analysed using two-tailed t tests. Results The crimp angle for the central region was found to decrease with age, so that in old horses it was smaller than that for the tendon periphery (P < 0.05). The crimp anglefor the latter region did not alter significantly with age. Crimp period lengths and collagen fibril mass-average diameters did not show significant changes with age in either region. Conclusions Reduction of the crimp angle in the core of the superficial digital flexor tendon occurs normally with age, as tendons of older animals would have undergone a higher number of loading cycles. It is possible that athletic training increases the frequency and/or the magnitude of high loading cycles experienced by the tendon, and may accelerate and worsen the normal load-related ageing process in the superficial digital flexor tendons of young performance horses, particularly in the central regions where lesions usually occur.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 31/03/20 alle ore 15:24:03