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Chas Tennis's latest activity
C
Chas Tennis
replied to the thread
Potential torn rotator cuff
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Have you seen the Ellenbecker video "Rotator Cuff Injury" and also some of the forum posts on it? ( It is available by joining Tennis...
Today at 11:50 AM
C
Chas Tennis
replied to the thread
Got Questions you need answers to?....maybe I can help
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I have not noticed Youtube deleting frames of my videos when they video process and create Youtube videos for storage. I have seen...
Yesterday at 1:13 PM
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Chas Tennis
replied to the thread
Got Questions you need answers to?....maybe I can help
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I believe that arching your lower back has much more risk of injury than arching your Thoracic spine. See videos on what is being done...
Yesterday at 1:01 PM
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Chas Tennis
replied to the thread
Got Questions you need answers to?....maybe I can help
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That looks like a Phantom or Olympus type high speed video camera. They probably cost $30,000. Notice how small the motion blur is...
Yesterday at 12:55 PM
C
Chas Tennis
replied to the thread
Got Questions you need answers to?....maybe I can help
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It is Thoracic Extension. A term that new people can find by Googling.
Yesterday at 12:35 PM
C
Chas Tennis
replied to the thread
Got Questions you need answers to?....maybe I can help
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View the timing of the 'chest up' in high speed videos. I believe that it is later. Roddick had one of the fastest motions passing...
Yesterday at 12:25 PM
C
Chas Tennis
reacted to
Serve Doc's post
in the thread
Got Questions you need answers to?....maybe I can help
with
Like
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Just an update on this young girl's development....Sany turned down a full ride offer to Wharton School of Business at Penn to accept a...
Yesterday at 12:18 PM
C
Chas Tennis
replied to the thread
Topspin with Side Spin
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When you are able to video forehands in high speed, give hand signals after the forehand to indicate how well it worked and bounced...
Monday at 7:59 AM
C
Chas Tennis
replied to the thread
Twist vs Kick serve
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Terminology for Types of Serves 1) There is usage, such as it is. Then you have to define your terms each time your use them. 2)...
Monday at 12:54 AM
C
Chas Tennis
replied to the thread
Can finally hit a great serve but it causes back pain. What can I do?
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If you have pain from any new stroke, stop immediately. If something has a tear, its strength is gone and the tear is likely to tear...
Sunday at 3:57 PM
C
Chas Tennis
replied to the thread
Topspin with Side Spin
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Sunlight has about 100 times as much light as indoor tennis courts.
Sunday at 10:00 AM
C
Chas Tennis
replied to the thread
Topspin with Side Spin
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Your iPhone should have high speed video mode? 240? What model is it? It might make large video files unless you have someone to start...
Sunday at 9:38 AM
C
Chas Tennis
replied to the thread
Topspin with Side Spin
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According to instructions in post #23, consider the ball spin vector diagram and how the spinning ball first touches the court. For...
Sunday at 9:09 AM
C
Chas Tennis
replied to the thread
Topspin with Side Spin
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You might have something there. I do not like to interpret extreme motion blurs, streaks, because the video is easily misinterpreted. A...
Sunday at 7:34 AM
C
Chas Tennis
replied to the thread
Twist vs Kick serve
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These tennis researchers show the spin vectors on the ball for a slice, flat and kick serve...
Sunday at 1:21 AM
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