You Can Build Muscle (And Burn Fat) Using With Lighter Weight [Study]

train heavy always

Reduced CNS Fatigue
Feeling tired or sleepy during or after a heavy workout are likely due to central nervous system (CNS) fatigue. While exhausting your muscles is a good thing for hypertrophy (building muscle) — you can’t know how far you can go until you push yourself to the limit — training to failure every time can be a detriment. With high-volume training, the intensity is often low enough to keep most athletes from developing CNS fatigue, but still at a point where workouts remain a challenge.

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