Altered sarcoplasmic reticulum function in rat diaphragm after high-intensity exercise.

@article{Matsunaga2002AlteredSR,
  title={Altered sarcoplasmic reticulum function in rat diaphragm after high-intensity exercise.},
  author={Satoshi Matsunaga and Shuichiro Inashima and Hirotsugu Tsuchimochi and Takashi Yamada and Toshio Hazama and Masanobu Wada},
  journal={Acta physiologica Scandinavica},
  year={2002},
  volume={176 3},
  pages={227-32}
}
The present study examined the effects of acute high-intensity exercise on Ca(2+) uptake and release rates and Ca(2+)-adenosine triphosphatase (ATPase) activity of the sarcoplasmic reticulum (SR) from the costal diaphragm. The rats were run on a treadmill at an estimated requirement of 100% of maximal O2 consumption until fatigued (average time to exhaustion: 4.79 min). Muscle lactate and inorganic phosphate after exercise were increased by 65% (P < 0.05) and 35% (P < 0.05), respectively. With… CONTINUE READING