β-endorphin and sprint training

Joseph M. Metzger, Elliot A. Stein

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Male, Wistar rats were sprint trained using a high intensity, interval type, treadmill running protocol. Sprint training produced a significant decrease in plasma β-endorphin levels. Conversely, animals who performed a high intensity acute run displayed significant increases in the concentration of plasma β-endorphin which may be stress-related. Neither training nor acute running had any significant effect on the β-endorphin levels of the pituitrary, cortex, posterior or anterior hypothalamus.

Original languageEnglish (US)
Pages (from-to)1541-1547
Number of pages7
JournalLife Sciences
Volume34
Issue number16
DOIs
StatePublished - Apr 16 1984

Bibliographical note

Funding Information:
This study was supported in part by the Marquette University Biology Department and grants from NIDA 02234 (EAS) and NIH AM-22037 (R.H. Fitts). We gratefully acknowledge Mr. Michael Blake for technical assistance, Dr. Robert Fitts for his guidance and advice and Ms. Barbara DeNoyer for typing the manuscript.

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