On the other hand, the difference is much more influenced by the variety of motion,
altering elbow position and changing the amount of weights that are lifted.
You can
alter the
position of your arms in a variety of ways; for example: stretch the arms upward, perpendicular to the floor and parallel with each other, with the palms facing inward; interlace the fingers, extend the arms straight in front of your torso, turn the palms away, then stretch the arms upward, perpendicular to the floor, so the palms face the ceiling; cross the arms behind your back, holding each
elbow with the opposite - side hand (be sure to reverse the cross of the forearms and repeat for an equal length of time).