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Viewing 7 posts - 18 through 24 (of 24 total)
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  • #226042
    Avatar phototbracing
    Participant
    • Total Posts 1453

    Well no, it takes a small amount of time to reach ‘full pelt’. You don’t go from a still position to 25 mph!

    #226047
    Avatar photoDrone
    Participant
    • Total Posts 6377

    Surely humans CAN run full pelt at 100m? Otherwise, why does the 200m WR get covered in a quicker time per metre than the 100m WR?

    The second 100m is from a flying start

    At what point maximum sustained speed is attained and at which point deceleration begins (if at all over that trip) I wouldn’t know but I’d hazard a guess acceleration is still occurring at 100m, particularly as it is round a bend

    One for the athletics ‘sectionals’ boffins

    #226053
    Avatar photorobert99
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    • Total Posts 899

    I was thinking that horses can release more red blood cells into their bloodstream, but I was wanting someone to say that, rather than me suggest it.

    Did you mean horses have a capacity to "dump the spleen" for fresh blood cells?
    Compared with other animals, racehorses have bigger spleens, which means they have a larger storage of red blood cells. "When a horse gets a jolt of adrenaline, the spleen squeezes out extra blood cells

    #226056
    davidjohnson
    Member
    • Total Posts 4491

    Given the way this thread is going, does anyone know if horses replenish blood in the same way that humans do, and whether blood doping, (i.e. reinjecting blood prior to competition to provide the body with greater oxygen carrying capabilities) would be possible. If it is, then what tests, either in or out of competition time could be used to detect it in racehorses.

    #226064
    Avatar photorobert99
    Participant
    • Total Posts 899

    Given the way this thread is going, does anyone know if horses replenish blood in the same way that humans do, and whether blood doping, (i.e. reinjecting blood prior to competition to provide the body with greater oxygen carrying capabilities) would be possible. If it is, then what tests, either in or out of competition time could be used to detect it in racehorses.

    Horses already have large splenic reserves of red blood cells which are released into the circulation on exercise. Doping by blood transfusion of own blood is possible and can only be detected by the skin puncture for the transfusion tubing. Martin Pipe was accused of this by jealous rivals.

    Last year 20 horses were tested for EPO (erythropoietin), the more common type of blood doping, for the Kentucky Derby – no samples positive.Similar for Breeders Cup.
    EPO, or Epogen by its brand, is believed to increase the number of red blood cells by allowing more oxygen to enter the muscles, reducing fatigue. Performance enhancement is doubtful and it eventually makes horse anaemic. Human athletes have been known to use the drug.

    Each of the Derby starters also undergoes a pre-race blood test to detect alkalizing agents, which is evidence of what is known as a milkshake, a concoction of baking soda, sugar and electrolytes that helps a horse ward off fatigue.

    Wednesday was chosen for the surprise test because scientists advised officials that the EPO drug could be detected for only three to five days in horses, though the effects last longer.

    #226084
    Avatar photoslipperytoad
    Member
    • Total Posts 419

    7f is the Athletics eqivalent of racing over 300m.

    A

    specialists trip

    without a doubt and horses such as Warningford and Quito where better at 7f.

    Agreed for betting purposes! :wink:

    #226095
    davidjohnson
    Member
    • Total Posts 4491

    Thanks robert. Very interesting.

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