Zusammenfassung
Ziel des Krafttrainings ist es, Muskelmasse und Kraft zu steigern. Um dies zu erreichen, führen Sportler ein progressives Krafttraining durch, um mit hohen Widerständen die Innervation der trainierten Muskeln, die Muskelmasse und die Kraft per Muskelquerschnitt zu erhöhen. Die Trainierbarkeit der Kraft und die absolute Kraft hängen zudem von dem Talent ab, welches von Variationen der DNA-Sequenz abhängt. Krafttraining aktiviert die mTOR-Kaskade und diese Aktivierung ist für die Erhöhung der Muskelmasse und damit die Hypertrophie notwendig. Der Myostatin-Smad-Signalweg reguliert die Muskelmasse auch, doch die Rolle bei der Anpassung an Krafttraining ist unklar. Zum Schluss dieses Kapitels wird auf die Satellitenzellen eingegangen, die bei der Regeneration und Anpassung nach einem Kraftreiz eine Sonderstellung einnehmen.
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Wackerhage, H., Oesen, S., Hofmann, M., Tschan, H. (2018). Anpassung an Krafttraining. In: Bachl, N., Löllgen, H., Tschan, H., Wackerhage, H., Wessner, B. (eds) Molekulare Sport- und Leistungsphysiologie. Springer, Vienna. https://doi.org/10.1007/978-3-7091-1591-6_12
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