left
right
Your left arm swings forward at the same time as your right leg steps forward. It's how balance is maintained.
it swings with you right leg
it helps to keep your body balanced as you walk
go to the bottom of the snowpoint temple were regigigas is walk through his left or right arm.
Your left arm.
Left arm.
The leads in Einthoven's Triangle, which are Leads I (left and right arm), II (right arm and left foot)), and III (left arm and foot).
According to wikipedia, cats walk "singly" at slow speeds--that is, instead of moving front-right with back-left, front-left with back-right paw, as other mammals seem mostly to do, cats tend to move one side of their bodies at a time--front-right with back-right, front-left with back-left paw. Humans walk like other mammals, opposing their arms' swing to their steps--left arm swings forward with right foot, right arm swings forward with left foot.
the right leg is the right arm to the left leg (in this case arms and legs are same entity)
It was when Stonewall Jackson was fatally wounded, having had his left arm amputated. Lee said "He has lost his left arm. But I have lost my right arm."
You do physical work with your right limb. So you do more exercise by your right arm. So your the right arm or limb becomes stronger than left.