Influences of physical training on the heart of dogs.

  • H L Wyatt, J H Mitchell
  • Published 1974 in Circulation research
To investigate the effects of physical training on cardiac dimensions and function, eight dogs were exercised for 12 weeks by treadmill running 1 hour/ day, 5 days/week. Five dogs were confined in cages as controls for an 8-week period. Heart rates were monitored by telemetry during rest and exercise. Maximum QRS spatial magnitudes were calculated from… (More)