Why the study?
Does heavy endurance training induce athletic heart syndrome in sled dogs?
Population
99 dogs, including 48 heavily trained sled dogs, 18 lightly trained sled dogs, 19 untrained sled dogs, and…
Comparison
Heavy endurance training (3,000-5,000 km) vs Light training, no training, and mongrel dogs
Design
Preclinical
Authors
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Provides a canine model for athletic heart syndrome; leaves open translation to human endurance athletes.
Does heavy endurance training induce athletic heart syndrome in sled dogs?
Endurance-trained sled dogs exhibit auscultatory and electrocardiographic changes similar to human endurance athletes, providing a naturally occurring model for athletic heart syndrome.
Constable et al. (1994) studied this question.
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