Which coaching position is primarily concerned with proper stance?

The correct choice is the Front Position because this coaching role emphasizes the archers' stance as it is crucial to their performance and accuracy. In the Front Position, the instructor focuses on the archer's body alignment, balance, and foot placement, which directly impact the stability and effectiveness of the shot. A proper stance allows for greater control over the bow and consistency in shooting, leading to improved results.

While the other positions such as Back, Rear, and Side may have their own responsibilities related to different aspects of archery, such as follow-through or overall form, none of them specifically prioritize the stance in the same way as the Front Position. A solid foundation in stance is essential, as it serves as the starting point for all subsequent movements and adjustments made during the shot process.