Tuesday, July 15, 2008

More Thoughts On Post Breeze Microfracture

Were the red arrow points and on down indicates the post breeze area of cannon bone concern. I've never breezed a horse any distance without getting heat on the outer surface of both front cannons. This heat may dissipate in as little as a few hours in extremely conditioned animals. If it lasts more than 48 hrs. I become very concerned.

My worry in this regard is/has been possible micro fractures resulting from the breeze/race, and how long it takes to heal them and allow us to continue, i.e. the most basic question in racing, how much time will have to elapse before we can safely go again.

Last post I speculated that: with CONDITIONED bone possibly my post breeze concern for micro fracture may be misplaced in that a breeze or race that has been progressive in nature may fail to produce any tissue tearing or gaps at all. Rather, what happens on application of force is a slight rearrangement of material at the molecular level.

But, force applies over the whole bone, and so the idea of mere "rearrangement" of live tissue in a particular area simplifies the real problem since since rearrangement of tissue given a specific quantity of force probably varies depending on the location of the application of force. Look at below illustration and consider that tissue moving and rearrangement may differ depending on location.


To get a final answer whether we get microfractures or mere rearrangement post breeze, perhaps we have to consider the areas of the bone in details.

Will soldier on with this next post. I'm reading the latest from Paul Hansma. Conclusions coming~!


Training:
Mon. 7/14 Still wet. Art gets the day off after yesterday's fast work. Rod has been given some time off due to a growth spurt and this evening he's shorter than he was before. Somehow they manage to shrink. Art trotted riderless gently for about 10 minutes with very little stopping.

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