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 Post subject: Thumb callous--getting rid off
 Posted: Wed Jul 03, 2019 3:13 am Post Number: #1 Post
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Joined: March 10, 2019
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I have a good sized callous/bump on the inside of my thumb just above where the thumb bends at the knuckle. I realize that there are some thumbhole adjustments that must be made, but my question is how to relieve or reduce this bump. It's not entirely hardened and is sore. When I begin to bowl I have to force my thumb into the thumb hole and the first couple of balls thrown are painful and the ball hangs. After a few releases, my thumb seems to adjust and I can get the thumb out with little problem on each shot. I just want to get rid of this callous or bump.


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 Post subject: Re: Thumb callous--getting rid off
 Posted: Fri Jul 05, 2019 6:09 pm Post Number: #2 Post
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Ezeeduzit wrote:
I have a good sized callous/bump on the inside of my thumb just above where the thumb bends at the knuckle. I realize that there are some thumbhole adjustments that must be made, but my question is how to relieve or reduce this bump. It's not entirely hardened and is sore. When I begin to bowl I have to force my thumb into the thumb hole and the first couple of balls thrown are painful and the ball hangs. After a few releases, my thumb seems to adjust and I can get the thumb out with little problem on each shot. I just want to get rid of this callous or bump.


That particular type of callus is the result of squeezing the thumb at any point in time during the delivery of the ball. If the person's basic hand structure indicates the knuckle is much larger than the tip of the thumb, as a direct result of this physical hand structure, the potential issue with squeezing is magnified.

We could also insert, sometimes people feel a need to "turn" the ball early. Turning the ball, in and of itself, is not an issue. It only becomes problematic if the ball is still on the thumb as the bowler rotates the ball.

Getting rid of your type of callus takes time. How much time depends on the growth of the callus. The person should mainly concern themselves with not gripping the ball, ever. This means, not in the stance, not in the swing, and definitely not at the point of release. The thumb does not hold the ball, but is merely a guide to place the ball on it's intended course. It is difficult to guide something if it's holding on for dear life.

Assuming your ball fits correctly and you have relatively good command of the approach, when holding the ball, place your thumbnail against the back of the hole. Relax the thumb throughout the entire approach. In due time, the callus will begin to disappear.

Some people have been known to comment, it feels like the ball is going to fall off their hand. If it does, pick it up off the approach, put some tape in it, and try again.


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 Post subject: Re: Thumb callous--getting rid off
 Posted: Sat Jul 06, 2019 3:03 am Post Number: #3 Post
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Joined: June 12, 2016
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Just thought of something regarding the thumbnail. Recently took a narrow piece, or two, of white tape down near the bottom of the thumb hole on the nail side so that my thumbnail has something to keep it in place without having to bend the thumb backwards in the hole. This seems to help a bit and allow for a smooth exit for the thumb which is what we're all trying to get and not grab at the ball at all.


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 Post subject: Re: Thumb callous--getting rid off
 Posted: Thu Jul 11, 2019 12:58 am Post Number: #4 Post
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Joined: July 5, 2010
Posts: 50
Location: Lincoln, Nebraska
I have had problems with a thumb callous at various times. One time, I was bowling state tournament and tore it completely off. Glued it back on using super glue...and yes that is very painful. but it allowed me to finish the set.

I've been told by several people to use an emery board and gently sand it it down. Don't use much pressure. Don't try to take much off at one time. I haven't done this in alot of years but in my experience, it works.


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 Post subject: Re: Thumb callous--getting rid off
 Posted: Thu Jul 11, 2019 10:22 pm Post Number: #5 Post
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Location: Sun City Arizona
I strongly suggest bowlers follow TomaHawk's advice. Aside from saving thumbs it will boost your potential.

In the interim, a few bandaid coping mechanisms: a tiny bit of Chapstick (Parker Bohn III tip) is a powerful lubricant; consider a callous removing solution, the type in the foot care area in a pharmacy,
another solution for soft callous is Rosewater and Glycerin overnight soaking (Rolf Gauger tip).

Practicing without the thumb using a light house ball can be a training method, if you turn it early you'll drop it.

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