What arm?
Move your arm in circles
The humerus bone is the one in your upper arm, and it is needed when you want to move your arm.
With muscles!
it helps to keep your body balanced as you walk
Yes. lol If you have an elbow or your arm isn't broken you can move it!
Rampardos learns Hammer Arm as an Egg Move, which the father would need the move Hammer Arm in his move pool to pass down to the Cranidos.
The humerus bone is the one in the upper arm, so it is necessary anytime you move your arm.
the muscles
No.
To move the hand.
Well it all depends on which motion you want your arm to move but basically the bicept tricept or your shoulder