BallReviews
General Category => Miscellaneous => Topic started by: scrub49 on April 10, 2015, 05:09:09 PM
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My span is 5 1/16 mf and 5 1/8 rf finger does 5/16 rev no lateral in the thumb seems to be about right for the thumb.
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Here is a thumb pitch chart to use as a starting point, then adjsut as needed from there.
http://kmtballjig.com/images/Thumb_Angle_Conversion_Pitch_Chart.pdf
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As a starting point, strictly by the books, it's not enough reverse (and probably should have some left lateral - assuming you are rt handed). However, there are many factors to consider when determining pitches. One of the most critical being whether the current feels comfortable and comes off your hand cleanly.
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Left lateral works great as far helping get around the ball but sometime rub the inside my thumb a little so I go with zero plus the last time I used away I shot 700 series three weeks in a row just that rubbing feeling at the tip of my thumb.
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The proper angle is not merely predicated by either reverse or lateral pitch, it the combination of the two increasing the necessary and correct release speed
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I feel like my release speed is slow at times
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Then the angle of the hole is hindering it from releasing when it should or by allowing gravity & momentum to take over
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At times feel like my thumb and fingers are coming out the ball at the same time.
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No problem. It's just an angle.
You must fit dynamically!
Regards,
Luckylefty
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You're a very clueless individual aren't you?
I fit correctly thank you
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There has been a lot of changes in recent years on what is considered proper thumb pitch. I has stemmed from the fact that many of us have found that reverse pitch on the fingers is very helpful in clearing the ball without grabbing. When you go with reverse on the fingers you will find that less reverse thumb pitch, or even forward pitch, will help you relax your grip and further keep your from grabbing. Also it depends a lot on the flexibility of your thumb
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The holes are angled as such to accommodate the persons hand/digits and allow for a release that is predicated by gravity and momentum...
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I was re-fitted over the weekend one pro shop suggested that change my span to (5 1/8 and 5 1/4 and use 3/8 rev in the thumb another shop said use zero or forward thumb pitch with 3/4 rev in the fingers both agreed on the finger pitches.Original span is 5 1/16 to 5 3/16.
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I'm sorry...
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The options can be endless. I have a local shop that doesnt believe in using side pitches on the thumb.
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The options can be endless. I have a local shop that doesnt believe in using side pitches on the thumb.
Where do you live? Macedonia?
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Want to buy an new ball just want the right feel JustRico and Gizmo823 has help me in the past I am 66 years old have very stiff middle finger. I did have an ball with the long span and 7/8 rev in the finger I think I had 0 or 1/8 rev in the thumb gave ball to junior bowler and just can not remember which but several friends liked the way I rolled it.
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I have drill spans of 5 1/2 (middle finger), 5 5/8 (ring finger) and thumb pitches of 1/8 lateral, 5/8 reverse; zero pitch in the fingers, but 1/2 and 3/8 lateral in the fingers, respectively. (I've had as much as 3/4 reverse in the thumb, but I've settled on 5/8 reverse.)
Former touring pro Don Genalo has a similar span but he has zero reverse thumb, 1/2 lateral pitch. He's said he's able to go with zero pitch because he's double jointed in the thumb. Go figure.
I've had people to tell me that I have too much reverse pitch in the thumb, and I tell them they have no clue what they're talking about. First of all, my span is usually an inch or more longer than theirs.
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I know a guy who's span is 5 mf 5 1/8 rf and thumb pitch 5/8 rev 3/8 lateral to the palm and it's been that way 30 years never changed.
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Just curios. Lateral to the palm is right lateral; correct?
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For a right hander
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Thanks.
I have migrated from 1/8 reverse in my thumb to 0. My experience is that the more forward I go with my thumb pitch, the slower the ball exits from my thumb.
I have decided to work back to 1/8 reverse. My span is 4 3/8.
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The thumb pitch charts were developed when it was standard to go with very long stretched spans, and it was also assumed that finger pitches would be forward ( tucked ) If you think about it, 1/4 reverse on the thumb and 1/4 tuck on the fingers puts no more or less strain on the hand than 1/4 forward on the thumb, and 1/4 away on the fingers. What it does is shift the weight as it lays in the palm to give more of a feel of laying on the pads and the finger. If you are trying to get more open handed on the release ala PDW, the latter is the way to go.
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Angles are not preset for anyone...what may work for one does NOT automatically mean they work for everyone...this is the issue with a majority of theories as well as fitters...
No two hands are alike due to history nor do two individuals swing the ball the same...too many do NOT understand this
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Angles are not preset for anyone...what may work for one does NOT automatically mean they work for everyone...this is the issue with a majority of theories as well as fitters...
No two hands are alike due to history nor do two individuals swing the ball the same...too many do NOT understand this
I could not agree with Rico more. I have over 2500 fitting slips in my customer database and probably not 2 identical. I measure to each individual and only use the IBPSIA chart as a starting reference and adjust accordingly for each individual. I consider myself to have a unique hand. My span is 4 11/16 x 4 7/8. I have 1/16 reverse and 7/16 left on MF, 1/4 reverse and 5/16 right on RF, and 1/4 Reverse x 1/4 Right lateral on thumb. This may fall into the "corkscrew" fitting, but it is how my hand lays in the ball and gives me no hand pain or release issued.
If you are a pro shop operater, watch how your customers hands lay in the ball when fitting. Don't just say how does this hole feel and off to the drill press you go. As for the bowler, look at how your hand lays into your ball. Don't be afraid of suggesting a change to your pro shop operator. Just like going to the doctor, who knows yourself better than you. Pro shop operator can see you throw the ball and identify issues, but you the bowler feels the ball coming off your hand, your the bowler can feel discomfort.
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Agree that no two hands are the same. I think that those of us with very pliable thumbs have a real advantage because comfort, pain, or ability to clear the ball are not issues for us with any reasonable span or pitches. This allows us to find pitches that promote the type of release we are looking for. I never had a problem with 1/4 reverse on my thumb, and could barely feel the difference when I went 1/4 forward. I could feel a bit more relaxed grip when I went from 1/4 tuck to 1/2 away on the fingers. Had I wanted, I would have still been able to hit up on the shot the same way I had done for years with my old pitches. However it did make it much easier for me to clear the ball without hitting up which is what I desired.
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Too many-pro shop operators or bowlers, do not actually understand how any of the angles, to each individual hole, effect simply gripping the bowling ball, how it effects the swing or the release...and most tend to equate their individual situation as gospel and it tends to be the farthest thing from factual