![image 3. Tibiotalar A-P Joint Play](https://blog.erikdalton.com/wp-content/uploads/2020/02/tibiotalor2.jpg)
Joint Play the Mennell Way
Everything designed to move has a built-in factor of “play” to promote efficient functional movement. For example, an automobile piston and cylinder, a wheel on an axle, and even a simple hinge all have calculated play between their moving parts to allow efficiency of movement. Why not in a human joint?…