Strength Strength is the measure of a person's exertion of force on physical objects. 1 It uses your [[nervous system]] to use as many muscle fibers ([[muscle]]) as needed to overcome an external force. 2 https://en.wikipedia.org/wiki/Physical_strength ↩ https://www.healthline.com/health/exercise-fitness/hypertrophy-vs-strength#hypertrophy-vs-strength ↩