Joven principiante ejercitándose en gimnasia entrenando con aparato de entrenamiento - Imágenes y videos de stock

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Willpower and motivation, camera follows young athletic man pushing heavy training sled training in gym slow motion.

Slow motion: Man doing exercise with kettlebell in gym. fitness athletes men training muscular bodybuilders using kettlebell weights doing intense strength exercise in gym

Training with intense cardio bike, exercise in closed gym. Men doing difficult cardio workout with airbike.

Man run on treadmill