In a pitching delivery, energy is transferred from the ground up, through the legs and into the torso. Up to 80 percent of that energy is then carried into velocity by angular torque. The final 20 percent of that energy is transferred through linear torque in the torso.

The ability to store torque in the pitching delivery is responsible for up to 80% of velocity.

As a pitcher’s shoulders begin to square up toward home plate, the glove needs to swivel so the palm is facing the chest and stabilize over the landing foot, inside the width of the torso, between the shoulders and the belly button.

In just one year, with the help of coach Tom House and Mustard, pitcher Justin Courtney went from training solo in Maine to closing for the Los Angeles Angels Low-A affiliate, the Inland Empire 66ers.

Set position determines all of the balance and posture positions that are necessary to initiate the delivery.

Head position is incredibly important in the pitching delivery. If your head moves too much, you’ll first have difficulty throwing strikes, and you’ll eventually run the risk of injuries from the excessive stress.

Proper grip and wrist and forearm position can help young pitchers prevent injury and increase both velocity and movement.

By Lindsay Berra Eddie McCartney’s journey to Mustard began in a batting cage rather than on a pitcher’s mound. Eddie was 9 years old, and he was afraid of the ball.

When done properly, even a pre-adolescent can use weighted balls to build strength and speed in the pitching delivery.

Miami Marlins Draft Pick Joey Steele Loves Mustard, Because It’s Like Having Coach Tom House With Him Every Day

A pitcher’s drag line – literally, the line the back foot makes in the dirt - clearly show whether or not your body is where it should be during the pitching delivery.

The easiest way to ensure your biomechanical efficiency is to perfect your timing and stride.