9 Workout Questions You've Always Been Afraid to Ask, Answered

STACK provides answers to 9 questions rarely asked about exercise and fitness.

Why do my muscles get pumped during weightlifting?

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Why do my muscles get pumped during weightlifting?

A muscle pump is essentially when your cells swell as a result of accumulated blood flow to working tissue and the blood vessels become dilated.

If you're getting in a great workout, it doesn't necessarily mean you'll achieve a muscle pump—and vice versa.

A pump is more likely to occur when you perform isolation exercises (like Bicep Curls or Tricep Extensions) with low weight for  high reps than when you load up with heavy weight and perform low reps. However, the latter method is generally better if you're looking to build strength and make athletic gains.

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A muscle pump is essentially when your cells swell as a result of accumulated blood flow to working tissue and the blood vessels become dilated.

If you're getting in a great workout, it doesn't necessarily mean you'll achieve a muscle pump—and vice versa.

A pump is more likely to occur when you perform isolation exercises (like Bicep Curls or Tricep Extensions) with low weight for  high reps than when you load up with heavy weight and perform low reps. However, the latter method is generally better if you're looking to build strength and make athletic gains.

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Topics: CARDIO | WORKOUTS | ENERGY | EXERCISE | TRAIN | SWEAT