СУБХРОНИЧЕСКОЕ ВВЕДЕНИЕ L-КАРНИТИНА УЛУЧШАЕТ ФУНКЦИОНАЛЬНОЕ СОСТОЯНИЕ СКЕЛЕТНОЙ МЫШЦЫ БЫСТРОГО ТИПА В ЭКСПЕРИМЕНТАХ НА КРЫСАХ

Авторы

DOI:

https://doi.org/10.5281/zenodo.22786254

Ключевые слова:

скелетная мышца, мышечное сокращение, мышечная работоспособность, L карнитин, крысы

Лицензия

Метаданные этой статьи распространяются под лицензией CC BY 4.0

Аннотация

На крысах изучена эффективность L-карнитина (100 мг/кг/сутки, внутрибрюшинно, на протяжении 10, 30 и 60 суток) в улучшении функциональных параметров m. tibial anterior.

Субхроническое введение L-карнитина достоверно (р<0,05 относительно контроля) повышает устойчивость мышцы к утомлению и ускоряет восстановление ее сократительной функции после интенсивной нагрузки и через 30–60 суток применения обеспечивает улучшение параметров тетанического сокращения: увеличение скорости развития тетануса (на 46–163 %), силы тетанического сокращения (на 163–295 %), продолжительности максимальной (на 49–55 %) и субмаксимальной (на 65–69 %) работоспособности и сокращение послететанического полурасслабления (на 55–57 %). Полученные данные позволяют рассматривать L-карнитин как перспективное средство повышения работоспособности мышц и ускорения их восстановления после нагрузок.

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Библиографические ссылки

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Опубликован

2026-09-25