As Rod Cross points out, the high toss results in the ball dropping faster at impact causing more topspin to be applied to the serve. With the lower toss, you have less of a hitch in your movement.
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Tour Strokes: Maria Sharapova Serve
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Great discussion here on Maria's serve from bobbyswift and JY. Very interesting what Robert L thinks caused Maria's shoulder issues. It is clear to me she does not get to a comfortable contact point, or extension point on her forehands, which one would have to think would cause some physical discomfort. I would guess though her forehand would reveal physical discomfort more in the forearm/golfers type elbow than the shoulder. As Brian Gordon has expressed, one has to get in a pretty straight arm hitting configuration to really take advantage of the shoulder as a driving force on the forehand. I think her shoulder issues could be caused by her hitting arm getting past the plane of her shoulders as she hits her serve. In other words, the angle between her upper arm and body gets well past 90 degrees, putting her hitting shoulder under stress.
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Impact Point, Pic of Maria's serve
Originally posted by stroke View Post... I think her shoulder issues could be caused by her hitting arm getting past the plane of her shoulders as she hits her serve. In other words, the angle between her upper arm and body gets well past 90 degrees, putting her hitting shoulder under stress.
Sharapova_4JohnY_©jfawcette 2969 by james.fawcette, on Flickr
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Serving problems are rhythm problems. Height toss is a huge issue.
Remember that "Kaizen" effect that Doug Eng spoke about in an tennisplayer.net article?
http://www.tennisplayer.net/members/...ervice_rhythm/
Kyle LaCroix USPTA
Boca Raton
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Naomi Osaka and pre-apologies
Let me pre-apologize that 1) this is off topic from Sharapova (but it is about serving) and 2) I readily admit to getting overly amped about new phenoms after only one match, so please excuse my enthusiasm. {If I'm violating unwritten forum rules, let me know.}
But, have any of you seen Naomi Osaka's serve and what do you think of her technique? FYI: This 16-year-old won her first-ever WTA tour-level event by (ready?) out-serving Sam Stosur, #19 in the world yesterday. Awesome, 3 set almost-three-hour match.
Osaka was bombing 116 mph regularly, max 120 mph then just when I (and perhaps Stosur) thought she was a one-trick pony, and she had Stosur backed up, Osaka started hitting slow, wide slice that took Stosur out to the side wall -- including a second-serve ace at 91 mph short in the box and wide. Aside from her serve, Osaka is fast and she came from behind in a tie break and from 3-5 in the final set, against a veteran.
Style: Step up, arms up-together ala Monfils. Barely bends her knees yet somehow gets enough push to jump a foot into the air. Sudden racket head acceleration. One of my photos of her:
Osaka first round 13 by james.fawcette, on Flickr
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Originally posted by tennis_chiro View PostI still question whether the omnipresent kickback is an adaptation for balance and not going forward to the net, as Geoff suggests in the last post, or is it really a mechanism that adds additional speed to the serve. There is some reasoning I can see in the idea that if the server creates additional momentum to the rear, that momentum can in some way be balanced by additional momentum that was transferred to the ball going forward. Or something like that. Biomechanists, help!
don
It would also make sense (at least to me) that it would be much more prevalent in modern day players who are allowed to leave the ground. Because once in the air, no external force can act on rotation to the positive or negative....So the kickback begins as they push against the ground...Before the rule change, i would imagine that controlling hip rotation was "doable" because they were still engaged to the ground...Last edited by 10splayer; 10-01-2014, 07:10 AM.
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Originally posted by johnyandell View PostInteresting! I think it also is a key to a balanced landing and keeping enough weight behind so the torso jackknifes less. In any case if you are going to leave the court you need to kick back...Last edited by 10splayer; 10-02-2014, 03:01 AM.
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Thanks
Originally posted by jimlosaltos View PostLet me pre-apologize that 1) this is off topic from Sharapova (but it is about serving) and 2) I readily admit to getting overly amped about new phenoms after only one match, so please excuse my enthusiasm. {If I'm violating unwritten forum rules, let me know.}
But, have any of you seen Naomi Osaka's serve and what do you think of her technique? FYI: This 16-year-old won her first-ever WTA tour-level event by (ready?) out-serving Sam Stosur, #19 in the world yesterday. Awesome, 3 set almost-three-hour match.
Osaka was bombing 116 mph regularly, max 120 mph then just when I (and perhaps Stosur) thought she was a one-trick pony, and she had Stosur backed up, Osaka started hitting slow, wide slice that took Stosur out to the side wall -- including a second-serve ace at 91 mph short in the box and wide. Aside from her serve, Osaka is fast and she came from behind in a tie break and from 3-5 in the final set, against a veteran.
Style: Step up, arms up-together ala Monfils. Barely bends her knees yet somehow gets enough push to jump a foot into the air. Sudden racket head acceleration. One of my photos of her:
Osaka first round 13 by james.fawcette, on Flickr
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