The shooting range dummies have good options since you can choose if they strafe or not, and if the have armor or not. However, I kinda wanna practice crosshair placement in custom games with the training dummies. See death match/spike rus...

I am a low sensi player and after playing for 2 hours ,my hand hurts (a little bit). As a result I become inconsistent. Can anyone suggest me how to overcome this besides changing my sensi ? Is there any exercise I should do before hopping...