The bow does not interfere with the forward stride of the leg and shoulder.
The attachment of the reins allows the driver to direct the ox's head
The yoke stays stationary throughout the stride (it doesn't waggle).
The cocked back position allows the yoke bows to also function as a collar.
The angular musculature at the base of the neck supports the collar.
The yoke is carved to accommodate the withers at this angle.
The bow sits inside of the forward swinging shoulder.
