Topvelocity.net» angles

The Pitching Key to Torque is in the “Tilt”

Brent Pourciau — Wed, 18 Nov 2009 04:53:47 +0000

One of the main reasons a pitcher the size of Tim Lincecum, can generate as much velocity as a pitcher as tall as Randy Johnson, is because of core torque. The key to Tim Lincecum’s ability to create optimal torque is in his release point.

Tim has an “Over the top” release point and Randy has a “Sidearm” release point. I am not saying that every pitcher should throw the ball with a higher release point the shorter they are because there are benefits with all arm angles. What I am saying is a higher release point, using total body mechanics, will generate more core torque and in return increase velocity.

Now why would a higher release point generate more velocity?

This is because of the tilting of the body over the landing leg to allow the arm to extend up over the head at release. This tilting, shown in the pictures of Tim Lincecum in this article, works with gravity to add more weight to the back shoulder at the component of “Separation,” as listed in the Ace Pitcher Handbook, and also illustrated perfectly in the picture of Tim above. Just a small amount of extra weight applied to the back shoulder at “Separation” and “Triple Extension” of the back leg, will create optimal core torque. It is like someone pulling your shoulders back after your back leg drives and just before your shoulders fire to the target. Notice in the picture of Randy Johnson, his weight is balanced over his entire body more than Tim’s, therefore Randy’s core torque is minimal. Another indication that Randy does not have optimal core torque is in his back foot and hip. They are both facing first base in comparison to Tim’s, who is facing home plate. This is because Randy’s weight is leaning more towards first base, which is pushing his hips back towards third base, instead of giving them the freedom to fire with his back leg, open to the target, like in the picture of Tim above.

At this point in the article please DO NOT run outside and start pitching with your head hanging way over your landing leg side because the head is not the focus of the “Tilt.” The key factor in creating the “Tilt” is the position of the chest. The chest must be centered and balanced perfectly over the landing leg and as the arm begins to extend out and up to release the ball, the chest must position itself farther away from the release point to balance this position. This is why Tim’s head moves more to his glove side the closer he gets to his release point. This is where balance is critical because anything more to the right or left initially, is too much and will effect velocity and accuracy.

Another benefit of the “Tilt,” is it helps prevent a shoulder impingement because the glove shoulder will adduct lower and the throwing shoulder will abduct higher at release, removing pressure created by the acromion impinging the rotator cuff.

Comparison of High Velocity and Low Velocity Pitch Deliveries

Brent Pourciau — Thu, 18 Jun 2009 04:26:06 +0000

Stodden DF, Fleisig GS, McLean SP, Lyman SL, Andrews JR. Relationship of pelvis and upper torso kinematics to pitched baseball velocity. Journal of Applied Biomechanics 17(2):164-172, 2001.

Matsuo T, Escamilla RF, Fleisig GS, Barrentine SW, Andrews JF. Comparison of kinematic and temporal parameters between different pitch velocity groups. Journal of Applied Biomechanics 17(1): 1-13, 2001.

Stodden, DF, Fleisig, GS, McLean, SP, Andrews, JR. Relationship of Biomechanical Factors to Basebal Pitching Velocity: Within Pitcher Variation. Journal of Applied Biomechanics 21(1): 44-56, 2005

Methods

In three published studies, Dr. Glenn Fleisig and Dr. James R. Andrews from ASMI worked with other researchers in studying many of the parameters that affect baseball pitch velocity. Two of the studies looked between different pitchers and one study looked at variations within each pitcher. Motions during delivery were analyzed using a high speed (200 frames per second) infrared three-dimensional motion analysis system.

Results

In the study by Matsuo and others, pitchers with higher ball velocity were compared with pitchers with lower ball velocity. Four significant differences were found between these two groups. Compared to the low ball velocity group, the higher ball velocity pitchers demonstrated less lead knee flexion velocity after front foot contact and greater lead knee extension velocity at the time of ball release. Extending the lead knee in this manner may provide stabilization allowing better energy transfer from the trunk to the throwing arm, and could be a critical factor in pitch velocity. Maximum shoulder external rotation and forward trunk tilt at ball release were also greater in the higher velocity group. Greater shoulder external rotation causes a stretch of the internal rotators allowing energy to be stored in these muscles, and creating greater internal rotation during the arm acceleration phase.

Two variations were found in the timing of events. Maximum elbow extension angular velocity and maximum shoulder internal rotation angular velocity occurred earlier in the motion of higher velocity pitchers. The maximum shoulder internal rotation angular velocity also occurred closer to the moment of ball release in the higher velocity pitchers. This optimal timing may aid in generating higher velocity pitches.

Another finding of interest is that early in the pitching motion, the two groups were dissimilar in the timing of their movements, while their later movement timing was much more similar. This implies that early trunk and torso movements are more varied among pitchers than late arm movements.

In the first study by Stodden and others (2001), pelvis and upper torso variables were studied in 19 elite baseball pitchers. The study found that when the arm was completely cocked back (that is, maximum shoulder external rotation, or “MER”), more “open” pelvis and upper torso orientation correlated with increased ball velocity. More open pelvis angle at the time of ball release (REL) also correlated with increased pitch velocity increased. Additionally, pelvis angular velocity from front foot contact to MER, and upper torso angular velocity from MER to REL increased with increased velocity.

The data indicate that a pitcher who is able to position himself properly, and rotate his pelvis and upper torso more quickly is able to generate greater momentum. Theoretically, this increase in momentum leads to greater velocity of the throwing arm and thus greater pitch velocity.

The most recent study by Stodden and others (2005) showed that for a given pitcher, increased elbow flexion torque, shoulder proximal force and elbow proximal force produced greater ball velocity. In addition, the maximum shoulder horizontal adduction occurred later and maximum shoulder internal rotation occurred earlier at greater ball velocities. Higher ball velocity also resulted in decreased shoulder horizontal adduction at foot contact, decreased shoulder abduction during acceleration, and increased trunk tilt forward at ball release.

Conclusion

A pitcher with increased shoulder external rotation, faster pelvis and upper trunk rotation, and greater front knee stabilization and extension will throw with greater ball velocity. Improved timing to maximize arm velocity closer to the time of ball release will also help ball velocity. Increased torque and force produced at both the shoulder and elbow will also lead to greater ball velocity.

http://www.asmi.org/asmiweb/research/usedarticles/highlowpitches.htm

The Importance of Pitching Video Analysis

Brent Pourciau — Wed, 03 Dec 2008 23:31:53 +0000

Having your Pitching video analyzed by someone who understands Physics Driven Velocity Mechanics is critical in moving up levels of the game. The effectiveness of this process is the visual aspect. We are mainly visual learners. We can watch someone perform an action and then almost repeat it perfectly. This proves that we learn information so much faster visually. In any baseball career time is of the essence. All of us retired ball players, wish we knew what we learned many years after the end of our careers, when we were actually playing the game. This is because it took longer to learn this stuff than the window of opportunity we where given.

If you would like TopVelocity.net to analyze your pitching video, please follow the instructions below.

How to shoot your video?

Shoot two angles for your video. An angle from behind the pitcher and an angle from the throwing arm side of the pitcher. Make sure that the camera is not higher than the pitchers shoulders. Also make sure the camera is stationary.

Each angel should have two or three pitches of video.

How do you package and send your video?

Compress your video into a digital format. For example, DVD, Divx, AVI, MOV, WMV, MPG or any other common format. Burn the format to a CD or DVD. Visit the “Contact Us” page and request our mailing address to send the video too.

Video Analysis

At TopVelocity.net, once we receive your video, we will analyze your mechanics with advanced video software. This software will allow us to do a comparison of your delivery to a Professional Pitcher with a similar frame as yours. We will then use the software to generate overlays and slow motion clips to give you an extremely detailed analysis. We promise you will be impressed.

Once the video has been analyzed, we will post your analysis here on the forums. You can then watch your analysis.

Our video analysis is very popular with the pitchers we have worked with. It is a great tool because they can always go back and look at the video. We do recommend that you have a video analysis done at least every 2 months.

If you are interested and would like to send your video in today, your first analysis is FREE. Contact Us