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Updated April 16, 2012

Definition: Strength refers to a muscle's ability to generate force against physical objects. In the fitness world, this typically refers to how much weight you can lift for different strength training exercises. The type of resistance can include dumbbells, barbells, resistance bands, machines, cables, medicine balls or your own body. When lifting heavy weight, you increase strength, muscle size and connective tissues such as ligaments and tendons.

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