when you work out
umm...I would say hard muscles. just kidding, the smooth and cardiac muscles you don't control.
of course not
to stay hard for sex
You can't. Large muscles take dedication and hard work, combined with eating and proper rest. Stick to it though and you can get muscles.
Many muscles are involved in throwing a dodge ball. Your back muscles, all of your arm muscles and some of your stomach muscles. Even muscles from your legs may be used depending on how hard you are throwing it.
Lactic acid
No, frequency is about how often.
we are using our muscles
Muscles in your arm.These are the muscles of your upper arm.
Muscles involved in pushing hard against a wall include the chest (pectoralis major), shoulders (deltoids), triceps, and core muscles for stabilization and power generation. This action primarily engages the upper body muscles.
No. Only if you get sat upon.
Less hard than granite