Related Experiment Video
Updated: Aug 12, 2026

Evaluation of Blood Lactate and Plasma Insulin During High-intensity Exercise by Antecubital Vein Catheterization
Published on: May 18, 2018
Resistance exercise and plasma beta-endorphin/beta-lipotrophin immunoreactivity
Abstract:
Serum cortisol and plasma beta-endorphin/beta-lipotrophin hormone (LPH) immunoreactivity were measured in five males before and after endurance exercise (treadmill) and burst activity resistance exercise (weight lifting). Mean beta-endorphin/beta-LPH immunoactivity increased significantly following treadmill testing (p less than .05) and weight training (p less than .06). Post-exercise hormonal values were similar for the two activities. The hormonal changes previously reported with endurance activities also occur with burst activity exercise.
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