You need leg strength and good reflexes and of course you have to be quick, you really dont need to be big but bigger you are the better you are
A running back is a position in football in which the ball is hiked to the running back and they then run the ball
running back,half back,tail back,
it is a person in football that runs running plays.....
fullback
Pro football running back
No sure but think its a running back or tailback, sorry
Jonathan Dwyer is the running back for the Arizona Cardinals. He is a football player.
There is no such position in baseball. The running back position is used in American football.
brian westbrook
3rd Down Running Back
The best strengthen as a running back is the arms. This is in football.
Mike Hart who is the current running back coach for Eastern Michigan University played college football as a running back for the University of Michigan.