If you are an experienced rider you will need to keep in mind that the inexperience and lack of ability of some novice and intermediate riders on the track could cause them change lines unexpectedly when they hit something on the track or maybe get cross rutted.
This will help the bike get traction and drive forward. Pushing out will make the rear tire slide.
What you need to do is choose your lines before you get to them and then focus on the next corner or obstacle. This is very important when corning the more you look beyond the corner, the less you focus on the ruts and bumps and the smoother and quicker you will become.
The main cause of arm pump is holding on to tight and relying on your arms too much to handle the bike. You should take some of the strain of your arms by gripping the bike with your knees, get
“When there are deep ruts that you have to ride through,
“When you corner, always keep your shoulders
“If a straightaway is rutted up, lots of riders will go around