What type of stall allows horses to stand loose?

A standing stall is specifically designed to allow horses to stand loose without being overly restricted. Unlike other types of stalls, standing stalls typically have less enclosure, which provides the horse with more freedom of movement. This design encourages a more natural stance and allows the horse to shift its weight or turn around easily, which can be beneficial for their comfort and well-being.

Open shed rows, box stalls, and open-sided stalls have different structures and purposes. Open shed rows typically feature an open design to provide shelter, but they do not always allow horses to stand loose in the same way as standing stalls. Box stalls tend to have walls or barriers that confine the horse more tightly, preventing easy movement beyond a small area. Open-sided stalls may provide more ventilation and visibility but still often do not permit the same level of loose standing as standing stalls do.

Thus, a standing stall is specifically tailored for allowing horses to have the freedom to stand loose, making it the correct choice in this context.