• Buckingham S.H.W., McCarthy, R.N., Anderson, G.A., McCartney, R.N. and Jeffcott, L.B. (1992) Ultrasound speed in the metacarpal cortex- a survey of 347 Thoroughbreds in training. Equine vet. J. 24, 191195.
  • Butler, J.A., Colles, C.M., Dyson, S.J., Kold, S.E. and Poulos, P.W. (1993) Clinical Radiology of the Horse. Blackwell Scientific Publications, Oxford, pp 139171.
  • Firth, E.C., Delahunt, J., Wichtel, J.W., Birch, H. and Goodship, A.E. (1999) Galloping exercise induces regional functional adaptation within the third and radial carpal bones of thoroughbred horse. Equine vet. J. 31, 111115.
  • McCarthy, R.N. and Jeffcott, L.B. (1992) Effects of treadmill exercise on cortical bone in the third metacarpus of young horses. Res. vet. Sci. 52, 2837.
  • Nunamaker, D.M., Butterweck, D.M. and Black, J. (1991) In vitro comparison of Thoroughbred and Standardbred racehorses with regard to local fatigue failure of the third metacarpal bone. Am. J. vet. Res. 52, 97100.
  • Ott, S.M. (1993) When bone mass fails to predict bone failure. Calc. Tiss. Int. 53, 713.
  • Smith, R.K., Birch, H., Patterson-Kane, J., Firth, E.C., Williams, L., Cherdchutham, W., Van Weeren, W.R. and Goodship, A.E. (1999) Should equine athletes commence training during skeletal development?: changes in tendon matrix associated with development, aging, function and exercise. Equine vet. J., Suppl. 30, 201209.