ArticleEuropean journal of applied physiology2007
Effects of high-intensity training and acute exercise on in vitro function of rat sarcoplasmic reticulum.
Article in European journal of applied physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 17 citations in OpenAlex.
- Left atrial mechanics and aortic stiffness following high intensity interval training: a randomised controlled study.European journal of applied physiology · 2020Trial
- Effect of different intensities of physical activity on cardiometabolic markers and vascular and cardiac function in adult rats fed with a high-fat high-carbohydrate diet.Journal of sport and health science · 2018Article
- Specific effects of endurance and sprint training on protein expression of calsequestrin and SERCA in mouse skeletal muscle.Journal of muscle research and cell motility · 2012Article
- Alterations in peripheral muscle contractile characteristics following high and low intensity bouts of exercise.European journal of applied physiology · 2012Article
- Swimming training can affect intrinsic calcium current characteristics in rat myocardium.European journal of applied physiology · 2008Article
- Time course of changes in in vitro sarcoplasmic reticulum Ca2+-handling and Na+-K+-ATPase activity during repetitive contractions.Pflugers Archiv : European journal of physiology · 2008Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To evaluate the effects of high-intensity training and/or a single bout of exercise on in vitro function of the sarcoplasmic reticulum (SR), the rats were subjected to 8 weeks of interval running program (final training: 2.5-min running x 4 sets per day, 50 m/min at 10% incline). Following training, SR function, i.e., Ca2+-ATPase activity and Ca2+-uptake and release rates, was examined in homogenates of the superficial region of the vastus lateralis muscle from rats subjected to a single bout of treadmill running (50 m/min at 10% incline) for 2.5 min or to exhaustion. Training brought about a 12.4% increase (P < 0.05) in SR Ca2+-uptake rate in rested muscles. This change was not accompanied by alterations in Ca2+-ATPase activity, Ca2+-release rate, Ca2+ dependence of enzyme and protein contents of Ca2+-ATPase and ryanodine receptor. A single bout of high-intensity exercise to exhaustion evoked significant reductions (P < 0.05) in SR function, irrespective of whether or not the animals were trained. For 2.5-min run and exhausted rats, no differences existed between SR functions of untrained and trained muscles. These data suggest that high-intensity training may be capable of enhancing SR Ca2+-sequestering ability, and may not protect against decreasing SR function with high-intensity exercise.
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