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adamvann
09-20-2005, 05:46 AM
If I am to brush up against the back of the ball from 4 o'clock to 11 or some variation...How and when does pronation occur, if it is to occur with a topsin serve? I am assuming that you'd be using either an EBH for Continental grip. Thanks in advance for input.

P.S. I am left-handed.

FiveO
09-20-2005, 09:21 AM
If I am to brush up against the back of the ball from 4 o'clock to 11 or some variation...How and when does pronation occur, if it is to occur with a topsin serve? I am assuming that you'd be using either an EBH for Continental grip. Thanks in advance for input.

P.S. I am left-handed.

Here's a recent thread which gets into pronation....

http://tt.tennis-warehouse.com/showthread.php?t=68429

....with a link to sequenced photos of Sampras' and Krajicek's serves. You'll have to translate it into lefty-ese.

Before reading it, a reminder: the 4 to 11 angle of attack on the ball is more a product of swing path combined making contact barely short of full extension. This ensures that you have saved enough distance to travel up and across the ball on that 4 to 11 path while reaching full extension. Pronation occurs in the last moments of that attack of the ball in the contact zone, well after the racquet drop (so-called backscratch). Its primary purpose is to square the racquet face at contact. Pronation continues through and past the contact zone in a natural deceleration. W/O that pronation the racquet would knife through the zone with the bottom edge of the frame leading.

Good luck.

ta11geese3
09-20-2005, 10:27 PM
Pronation continues through and past the contact zone in a natural deceleration. W/O that pronation the racquet would knife through the zone with the bottom edge of the frame leading.

Good luck.

Bottom edge of the frame leading? I don't understand...

Hmm can you tell me if this is correct? I used to end my followthrough with my hitting palm facing upwards. To compensate for the lack of pronation I'd throw the ball way behind me (I couldn't see the blur when I hit the ball). That way I didn't have to pronate right? (and yeah, my serve was slow..)

FiveO
09-21-2005, 11:45 AM
Bottom edge of the frame leading? I don't understand...

Hmm can you tell me if this is correct? I used to end my followthrough with my hitting palm facing upwards. To compensate for the lack of pronation I'd throw the ball way behind me (I couldn't see the blur when I hit the ball). That way I didn't have to pronate right? (and yeah, my serve was slow..)

Without pronation the hitting hand/racquet would pass through the hitting zone on edge, more like a "Karate chop". Pronation rotates the forearm and hand internally so the palm/racquet face, faces the target service box at contact.

I'm trying very hard to envision the "hitting palm facing upwards" in the follow-through. But if it does, there has to be a major issue with the motion. Re-locating the toss does not eliminate the need to pronate.