Part 7/12 – Arm Swing Torque Produced by Shoulder Extensor Muscles Okay, in the last article I began our discussion regarding arm swing and the role the arms play in running and told you that both of the arms work with only one of the hips/legs at a time and that they DO NOT WORK WITH BOTH. The reason is that it is actually impossible because if they did, you wouldn’t be able to move forward, at all. In fact, you’d be stuck in one place for the rest of time so you might as well forget about trying to… read more
