Relating to or denoting exercises using body weight and minimal equipment to build strength, flexibility, and endurance without heavy weights.
From Greek 'kallos' (beauty) + 'sthenos' (strength), literally 'beautiful strength.' The term emerged in the 19th century when gymnastics and exercise science were developing systematic training methods.
The original idea behind calisthenics was that beautiful, strong bodies came from harmonious, controlled movement—not just brute force—which is why many calisthenic routines emphasize grace and control alongside strength, almost like physical poetry.
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