"Flying Open:" A Common Mechanical Pitching Fault

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Common Mechanical Pitching Faults

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"FLYING OPEN"
Flying open early during the stride and cocking phase is a common fault experienced by all pitchers no matter of age or experience. Young high school and college pitchers have to learn HOW to stay closed, and experienced pitchers must FOCUS on staying closed until the stride foot plants.

"STAYING CLOSED"
Staying closed means that until the stride foot plants giving the pitcher a stable base, the lead elbow, the shoulders, and throwing arm stay aligned to the plate. The next action (sequence) is for the trunk to powerfully horizontally rotate tocreate angular velocity (torque), which is the major source of power, arm speed and velocity!

The fault of "flying open" occurs when upper body, shoulders, and arms open with the stride leg and front hip. This is a natural tendency biomechanically, but this action decreases rotational forces (angular velocity) and puts the motion out of sequence, negatively effecting control and velocity plus creating unnecessary stress on the shoulder and arm muscles.

"Flying open" causes the arm to drag because the stronger & larger muscles of the legs, hips, and trunk have already fired and are not available to create torque. Because of the lack of torque, most of the pitch velocity has to come from the shoulder and arm muscles, which will cause early fatigue.

TECHNIQUES & DRILLS TO STAY CLOSED
Teach the pitcher an efficient, balanced, aligned & compact motion.

1. Rocker-Pivot-Lift Drill
   Get to a balanced posting position without swinging the foot or leg up. Make certain the pitcher closed up the front side but doesn't over-rotate.
2. Down & Out Stride Drill
   Do not swing the leg or foot around and down. This technique will help keep the body aligned to the plate.
3. Lead with the Front Hip Bone
   This technique helps alignment and generates lower body forces for a longer and more powerful stride.
4. Stride Drill
   For direction, landing flat-footed on a stable base with the toes pointing inward slightly (10-15 degrees).
5. Hand Break & Lead Arm Action Drill
   Use a flexed elbow as a rifle sight. This helps to keep the arms and shoulders aligned to the plate and keeps the upper body closed.
6. Mirror & Abdominal Drill
   Perform the "down and out drill" and "stride drill" in front of a mirror. Concentrate on the lead elbow and shoulders staying aligned (closed) to the plate. Even though the front hip has opened upon stride foot plant, the lead elbow and front shoulder should stay aligned and closed. Learn to contract the abdominal muscles to keep upper body closed. A pitcher should consciously feel the abdominal tighten.
7. Cocked Position Drill
   Remember that the natural tendency is for a pitcher's upper body to come open with the front hip and stride leg. "Staying closed" is a LEARNED, not a natural TRAIT, and must be understood and developed. Once a young pitcher masters this technique, you'll see improved control, more movement on the fast ball (due to torque), and an increase in pitch velocity.

Coach John Peter's Note:
Coach Bill Thurston is one of the nation's foremost experts on pitching mechanics, working with such major leaguers as Mark Wohlers and John Cerrutti as well as coaching over 20 college players who have signed with major league clubs. He is an impressive speaker with a style that non-experts can understand and learn from. Major League clubs have called on Coach Thurston to fix broken pitchers... he is that good! His video, Common Mechanical Pitching Faults, is available for only $39.95 here at baseballtips.com and can be found in the online store video library.
I absolutely endorse the content of this video. I believe he can help all serious pitching prospects!

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