to ramp up, gradually increase something, soreness, discomfort or pain in the muscles after physical activity, endurance, the ability to continue doing physical activity without becoming tired quickly, mitochondria, small structures in cells involved in producing energy, resistance training, any exercise where your muscles work against an external force, dropout rate, the number / proportion of people who stop participating in something, bone density, the amount of mineral matter in bones, related to their strength, paramount, huge; extremely important, to pace yourself, to control your speed or energy so you do not get too tired

Regular Exercise / 1

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