This page provides an overview of the movement patterns and cues that I believe are driving the Tommy John surgery and Thoracic Outlet Syndrome epidemic.

Problematic Movement Patterns and Cues

There are a whole host of movement patterns and cues that are driving the epidemic.

The Big Three

The three movement patterns that I a most concerned about are...

• Power Position
• Tommy John Twist
• Thoracic Outlet Syndrome T

Inverted W

For reasons that aren't at all clear -- perhaps pride or a simple childish defiance -- Jeff Passan would have you believe the idea that the Inverted W can be harmful has been debunked. I discuss that and other false claims in...

• The Truth About the Inverted W