Effects of exercise on biomechanical properties of the superficial digital flexor tendon in foals

Cherdchutham, W.; Ls, Meershoek; Pr, van Weeren; Barneveld, A.

doi:10.2460/ajvr.2001.62.1859

Cited by 52 publications

(35 citation statements)

References 25 publications

(11 reference statements)

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“…The significance of this is that athletic training results in progressive changes in the molecular and cellular components of the flexor tendons (BIRCH et al, 1999;CHERDCHUTHAM et al, 2001;FIRTH, 2006). Training is a factor that results in adaptive hypertrophic changes in the matrix composition of the tendons, resulting in an increase in CSA, which may remain through the horse's life, (BIRCH et al, 1999;CHERDCHUTHAM et al, 2001).…”

Section: Resultsmentioning

confidence: 99%

“…Training is a factor that results in adaptive hypertrophic changes in the matrix composition of the tendons, resulting in an increase in CSA, which may remain through the horse's life, (BIRCH et al, 1999;CHERDCHUTHAM et al, 2001). However, it is difficult to say whether tendon hypertrophy represent a beneficial response or very early signs of micro damage.…”

Section: Resultsmentioning

confidence: 99%

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The cross-sectional area of the superficial digital flexor tendon of trained and untrained Thoroughbred racehorses

Reis

Baccarin

2010

Cienc. Rural

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

The cross-sectional area of the superficial digital flexor tendon of trained and untrained Thoroughbred racehorses

Reis

Baccarin

2010

Cienc. Rural

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“…Sprint exercise given to foals in the 5-11 month age range, superimposed on stall confinement, may have detrimental effects on tendon compared to foals kept in stalls or given daily pasture turnout. Foals turned out to pasture showed the greatest increase in tendon cross sectional area, rupture stress and compliance, while collagen fibril diameters were smaller (Cherdchutham, Becker, Spek, Voorhout and van Weeren 2001;Cherdchutham, Meershoek, van Weeren and Barneveld 2001).…”

Section: 7 Tendons and Ligamentsmentioning

confidence: 95%

Calcified tissue structure in the distal condyle of the third metacarpal bone in young Thoroughbred horses

Doube¹

2017

Preprint

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Aims: To determine improvements in third metacarpal (Mc3) condylar microanatomy attributable to preconditioning exercise. To investigate developmental causes of Mc3 condylar fracture.Methods: Twelve Thoroughbred horses were raised at pasture; six received preconditioning exercise from 10 days. Calcein labels were administered 19 and 11 days prior to euthanasia at 18 months. Six horses also received 2 seasons of race-training and were euthanised at 3 years. Slices were taken from the distal Mc3 condyle in the frontal and dorsal-and palmar-oblique frontal planes, scanned with DXA and macerated (frontal slices) or embedded in PMMA (oblique slices).Articular calcified cartilage (ACC) and subchondral bone (SCB) in oblique slices were imaged using confocal scanning light microscopy and quantitative backscattered electron scanning electron microscopy. ACC and SCB in the palmar slice lateral parasagittal grooves were imaged using µCT and nanoindentation tested. Results: Characteristic spatial variations in ACC and SCB histomorphometric parameters were present, none of which was significantly related to preconditioning exercise. Thickened, aberrantly mineralised ACC was found in 13/24 parasagittal grooves in the palmar slices and on the sagittal ridge of 4/12 dorsal slices of 18-month-old horses. Deep to thickened ACC, SCB had an open marrow structure, having not adopted the buttress morphology of the normal SCB plate. SCB in 3-year-old horses had incorporated early ACC defects as notches in parasagittal grooves and a hyaline cartilage island in a sagittal ridge. ACC was less stiff and SCB more stiff in affected than unaffected parasagittal grooves. Chondroclastic resorption in the parasagittal groove may be retarded as early as 3-6 months, possibly due to localised inhibition of Dr Naomi Boxall has guided me through the PhD experience; as one of the several PhD students 5 Attribution I knew while an undergraduate at Massey University she gave me insight into coping with the varied challenges that postgraduate study entails. Naomi also helped correct my sometimes dubious spelling, grammar and punctuation while preparing documents for submission. Jen Swindlehurst provided a number of images of equine metacarpals from her own studies that I was kindly allowed to use in my presentations. Jen's work also (conveniently) supported my own, and it was nice to have a colleague who was so intimately familiar with the problem of condylar fracture. Several of Professor

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“…There are some indications, however, that the exercise level may affect the development of the flexor tendons too in the early juvenile period. In material from the EXOC-study cited above it was shown that the pasture-exercised foals had a larger CSA of the superficial digital flexor tendon (SDFT) and the tendons ruptured at a higher load with less tissue stiffness than in the other two groups (Cherdchutham et al 2001a) (fig. 3).…”

Section: Tendonsmentioning

confidence: 99%

The potential role of training programmesin reducing injuries

Weeren¹

2011

PHK

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SummaryHorses have always been used because of the huge potential of their musculoskeletal system and associated locomotor performance. Consequently, disorders of the musculoskeletal system rank first in causes of wastage. Within these musculoskeletal disorders problems related to articular cartilage and (flexor) tendons are of special importance, because of the notorious bad healing capacity of these tissues in mature individuals. There is increasing evidence for an important role of exercise in the juvenile phase in the conditioning of tissues and hence physical capacities and injury resistance of the horse (as in humans), including articular cartilage and (to a lesser extent) tendons. It is likely, therefore, that husbandry systems that limit the possibility to exercise at young age are detrimental for the development of a strong, injury-resistant musculoskeletal system whereas promoting physical exercise at young age can be expected to have a protective effect and hence may be an effective way to prevent musculoskeletal injury later in life.

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Effects of exercise on biomechanical properties of the superficial digital flexor tendon in foals

Cited by 52 publications

References 25 publications

The cross-sectional area of the superficial digital flexor tendon of trained and untrained Thoroughbred racehorses

The cross-sectional area of the superficial digital flexor tendon of trained and untrained Thoroughbred racehorses

Calcified tissue structure in the distal condyle of the third metacarpal bone in young Thoroughbred horses

The potential role of training programmesin reducing injuries

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