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Arm circle problems

Jun 16, 2019
24
3
The role of the shoulder plays in the arm circle goes largely unnoticed. This is not surprising since most pitchers perform it adequately and it is a "no teach". The shoulder leads the arm in it's circle and is responsible for generating some velocity. This is especially important in the 4 o'clock to 1 o'clock part of the arm circle. What is generally thought of as "opening up" is more of a pull back action which adds speed to the arm circle. Shoulder/arm/hand action is similar to that of a sling (as in David and Goliath). A sling has a pocket for the stone and two strings that are held in the hand. As the pocket/stone is whirled in a near vertical circle to build velocity the hand which holds the strings also moves in a small circle and leads the pocket/stone. Similarly in pitching the shoulder leads the arm in it's circle. Look at first 20 seconds of this video of Amanda Scarborough and focus on her shoulder, you will see that it makes a circle. At 9 o'clock she is open, from 6-4 she is about square/closed, from 4-1 you can see her pull back with the shoulder which accelerates the arm/hand. If the timing of this sequence is incorrect, such as opening up early, there is a loss of velocity. This same pull back action is very noticeable in the 17 second video of Cat Osterman



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very intresting, I see what you are saying with the shoulder pulling back which in turn accelerates the arm circle. The sling shot (David and goliath reference) is very fitting. Thank you for taking the time to respond. This was very helpful.
If you dont mind me asking what brand of Neoprene sleeve do you use for youth. My DD is 10 but is 5'3 and about 106 pounds?
 
May 15, 2008
540
28
Cape Cod Mass.
very intresting, I see what you are saying with the shoulder pulling back which in turn accelerates the arm circle. The sling shot (David and goliath reference) is very fitting. Thank you for taking the time to respond. This was very helpful.
If you dont mind me asking what brand of Neoprene sleeve do you use for youth. My DD is 10 but is 5'3 and about 106 pounds?
The shoulder rotation is something that most pitchers do naturally, without thinking about it, thus there is generally no need to complicate things and teach it. Opening early or not opening fully are the variations where it needs to be addressed.

The sleeve size varies by manufacturer so I would suggest that you try some on and find one that is relatively tight but not uncomfortable, especially when the arm is properly flexed/bent. You can find them at sporting goods stores, drug stores also carry them. The sleeve is a focus point for attention and helps provide feedback on the proper amount of elbow bend/flex. Once that becomes locked in then wearing it is optional.
 
Last edited:
Nov 8, 2018
10
3
I would go back to basics. Lock it in drill , 9 o’clock drill. Focus on I/R release. Then work to full circle. Slow it down to focus then speed it up as you reinforce her mechanics. When she loses mechanics slow it back down.


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My daughter does have a bent arm and not a wide arm circle. She,s the closest in this video. Her speed is stuck at 51-52.
 

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