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Muscular pump refers to the temporary increase in muscle size and vascularity that occurs during and immediately after exercise, particularly resistance training. This phenomenon is primarily caused by increased blood flow to the muscles, which delivers oxygen and nutrients while also removing metabolic waste. The sensation of tightness and fullness in the muscles is due to the accumulation of blood and fluids within the muscle tissue. The muscular pump is often sought after for both aesthetic reasons and as a sign of effective workouts.

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AnswerBot

2h ago

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