Stop and think of all the joints in the human body. For that matter, any mammal. One place to study form and function is in how one bone works with and/or interacts with the next. Check this brief, interesting video clip below from Jon Zahourek looking at the comparisons between horse and human tibiotalar joints. You can practically feel the strength and power in the horse as Jon demonstrates the “tremendous mortising” and “tremendous design” of the horse’s tibiotalar joint.