No
Like many physical sports Volleyball will help you lose weight but not very much.
Single elimination in volleyball is when as soon as you lose you are done/finished.
No. If he was supposed to lose, he would have lost.
work out
yes
pumping your arms
Volleyball net, volleyball, referee, knee pads, sneakers, shorts, air compresser (optional, it's to put the air in the volleyballs)
About 130m of air.
It is a bladder of air.
No. In fact the inflated volleyball is slightly heavier because the compressed air inside will be a bit denser than the air outside.
You are not supposed to lose 23 pounds in one week. It is simply not possible.