Here’s a link to the study showing that horses’ heart rates increase as those of their human handler’s speed up.
This post relates to a chapter of the book If Wishes Were Horses: A Memoir of an Equine Obsession. If you have any questions to ask about the content, please fire away in the comments. The main online index for the book is here.
A good study. It’s nice to see research like this that backs up the intuitive connection horses and humans have.