Posts

[DE] Wie produzieren Muskeln Kraft?

[EN] How do muscles generate power?

[DE] Knochen und Gelenke

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[EN] Bones and joints

[DE] Arten von Muskeln

[EN] Types of muscles

[DE] Was passiert, wenn wir nicht trainieren

[EN ] What happens when we don't exercise

[DE] 5 Minuten Basis Dehneinheit