In hippotherapy for a child with Autism, which horse characteristic provides the most proprioceptive input and three-dimensional movement in all planes?

• A. A horse with slow gait in a single plane.
• B. A horse with minimal proprioceptive input.
• C. A horse with increased proprioceptive input and three-dimensional movement in all planes.
• D. A horse with high speed but restricted plane movement.

Answer: (C)

Proprioceptive input from movement and multi‑planar, three‑dimensional horse motion drives sensorimotor integration. When the horse provides increased proprioceptive input, the child’s joints and muscles are continually loaded and challenged across multiple directions as the horse moves. This repetitive, whole‑body feedback engages the central nervous system to improve body awareness, postural control, and motor planning. The three‑dimensional movement means movement in forward–backward, side‑to‑side, and rotational planes, including vertical tilting of the pelvis and trunk, which enhances vestibular and somatosensory integration. For a child with autism, this multisensory stimulation supports regulation, attention, and coordinated movement better than less input scenarios.

So, a horse that offers increased proprioceptive input with three‑dimensional movement in all planes provides the greatest therapeutic sensory challenge and potential benefits, compared with a slow gait in a single plane, minimal proprioceptive input, or high speed with restricted plane movement.