Lifting slowly prolongs muscle tension and increases blood flow. Therefore, slow reps are intended to grow and build muscles. Fast repetitions will minimize tension and lifting with heavier weights can bolster your overall power and strength.
Focus on doing slow reps if your goal is to build a muscular and aesthetically pleasing physique. If you are training strictly to add strength, concentrate on lifting with fast repetitions.

TRUTH | Slow reps vs fast reps

TRUTH | Slow reps vs fast reps

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