What causes muscles to get pumped?
The surprising reason our muscles get tired - Christian Moro
Muscle Pump - What is it?
How To Get The Best Muscle Pump
What makes muscles grow? - Jeffrey Siegel
The Muscle Pump - Does Chasing the Pump Help with Muscle Growth?
I work from home with a laptop, but I do not have a normal workplace and the ability to work at a regular desk with a comfortable chair. Back hurts and crunches, neck too. What exercise / other ways can help relieve pain and tension after a working day?