Pump
When you get a great pump during your lifts, your muscles become engorged with blood and your veins bulge out. Nitric oxide, found in many pre-workouts, helps one chase the pump during a tough workout.
Glossary
When you get a great pump during your lifts, your muscles become engorged with blood and your veins bulge out. Nitric oxide, found in many pre-workouts, helps one chase the pump during a tough workout.