Rigorous running increases growth hormone and insulin-like growth factor-I without altering ghrelin.

@article{Kraemer2004RigorousRI,
  title={Rigorous running increases growth hormone and insulin-like growth factor-I without altering ghrelin.},
  author={Robert R. Kraemer and Robert T J Durand and Edmund O. Acevedo and Lisa G. Johnson and Ginger Rhoads Kraemer and Edward P Hebert and V. Daniel Castracane},
  journal={Experimental biology and medicine},
  year={2004},
  volume={229 3},
  pages={240-6}
}
It has been suggested that ghrelin may play a role in growth hormone (GH) responses to exercise. The present study was designed to determine whether ghrelin, GH, insulin-like growth factor-I (IGF-I), and IGF-binding protein-3 (IGFBP-3) were altered by a progressively intense running protocol. Six well-trained male volunteers completed a progressively intense intermittent exercise trial on a treadmill that included four exercise intensities: 60%, 75%, 90%, and 100% of Vo2max. Blood samples were… CONTINUE READING

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