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Tailbone pain?

post #1 of 24
Thread Starter 
My wife and I are riding our MTB's much more this off season for fitness. She is experiencing tailbone pain after a ride that really hangs around. We are generally on hard packed surfaces. Have tried a gel seat pad with no success. Beyond the obvious jokes - does anyone have any ideas?
post #2 of 24
Tailbone pain could be more of a bike position issue. Has she tried different handle bar positions?
Oh, and gel saddles don't necessarily make things better. Its more about the shape of the seat for comfort than the cushion.

My fav saddle is the Damsefly, which has minimal padding and a narrow shape.
post #3 of 24
Literally tailbone? What kind of bike is she riding on?
post #4 of 24
Thread Starter 
Trekchick - I was thinking positioning as well. Any suggestions (stem/seat height/angle etc.) or is it more hit and miss? Ironic that you said that about the gel pad. Yesterday, she was considering taking that off - thought it was worse "with" it.

Epic - thats the area she's describing and she is not a complainer about minor pain. The bike is a Cannondale F7 - nothing fancy.
post #5 of 24
1) Is she wearing properly fitted padded shorts WITHOUT undies? If not, she should be.

2) Is her position on the bike close to a 60/40 weight distribution? Too much weight on the sit bones can cause pain and irritation, but too much weight on the hands can cause numbness and tingling.

3) Is her saddle too padded? Sounds like that might be the case. Wider/softer is NOT always better.

4) If you're riding rough trails on an aluminum hardtail, you may want to get her a suspension seat post to help dampen vibration. I LOVE mine on my SS.
post #6 of 24
http://www.sheldonbrown.com/saddles.html

In my experience, the saddle is either tilted fore/aft at too sharp an angle or is too high or low.

If the seat is too high, the tendency is to reach for the pedal, at the bottom of the spin. This causes the hip to shift down and the other up, or 'reaching' with the foot.

If the seat is too low, the hip will be driven up at the top of the spin.

Either high or low seat position will create a hip rocking movement if observed from behind.

Assymetric pushing and pulling from right to left can also cause 'tailbone' issues.

I have also observed (primarly with MTB's) people that take a short stroke on one leg, (uphill side) and a long stroke (downhill side) on the other leg, while traversing across a hill.

Also make sure the seat rails aren't bent or broken.

If all else fails PM Finndog for his 'core' workout.
post #7 of 24
Quote:
Originally Posted by KZ1964 View Post
Trekchick - I was thinking positioning as well. Any suggestions (stem/seat height/angle etc.) or is it more hit and miss? Ironic that you said that about the gel pad. Yesterday, she was considering taking that off - thought it was worse "with" it.

Epic - thats the area she's describing and she is not a complainer about minor pain. The bike is a Cannondale F7 - nothing fancy.
Quote:
Originally Posted by volklgirl View Post
1) Is she wearing properly fitted padded shorts WITHOUT undies? If not, she should be.

2) Is her position on the bike close to a 60/40 weight distribution? Too much weight on the sit bones can cause pain and irritation, but too much weight on the hands can cause numbness and tingling.

3) Is her saddle too padded? Sounds like that might be the case. Wider/softer is NOT always better.

4) If you're riding rough trails on an aluminum hardtail, you may want to get her a suspension seat post to help dampen vibration. I LOVE mine on my SS.
Before I answered VG beat me to it.
When she is on the bike, you should be able to look from the side and see a near perfect "right triangle"
Hands to shoulders, shoulder to saddle, saddle to hands.
You may want to lower her handlebar height a tad and see if that takes pressure off her tailbone and sitbones, however............
make sure her saddle isn't too wide for her hip width. I really really like my narrowish saddle.
post #8 of 24
As the others have said... saddle height & positioning is key.

I recently purchased a Selle Anatomica based upon on a friend's recommendation. The saddle has sort of a hammock effect and has really been comfortable for long road rides. I suspect it would also work quite well mountain biking. You can see it here:

http://www.youtube.com/watch?v=I-d4HW0APFI
post #9 of 24
Thread Starter 
We are off the bikes tonight but will make a checklist from all of your advice and do some evaluating tomorrow and go from there. Thanks for all of the input!
post #10 of 24
Can we get a pic tonight?
post #11 of 24
Thread Starter 
Did you buy online or at a shop?


Quote:
Originally Posted by EFSki View Post
As the others have said... saddle height & positioning is key.

I recently purchased a Selle Anatomica based upon on a friend's recommendation. The saddle has sort of a hammock effect and has really been comfortable for long road rides. I suspect it would also work quite well mountain biking. You can see it here:

http://www.youtube.com/watch?v=I-d4HW0APFI
post #12 of 24
Thread Starter 
Do you remember what it cost??


Quote:
Originally Posted by Trekchick View Post
Tailbone pain could be more of a bike position issue. Has she tried different handle bar positions?
Oh, and gel saddles don't necessarily make things better. Its more about the shape of the seat for comfort than the cushion.

My fav saddle is the Damsefly, which has minimal padding and a narrow shape.
post #13 of 24

Err, guys, gals

Shouldn't coccydinia be evaluated?



Hammock seats are not new, look at any Brooks saddle.
post #14 of 24
Quote:
Originally Posted by comprex View Post
Shouldn't coccydinia be evaluated?
Um, I dunno what's that?
post #15 of 24
Quote:
Originally Posted by epic View Post
Um, I dunno what's that?
Think Kloden.

http://en.wikipedia.org/wiki/Coccydynia
post #16 of 24
Quote:
Originally Posted by KZ1964 View Post
Did you buy online or at a shop?
The color I wanted was only available at the time direct-online from the company plus the added benefit of their 30 day return policy. Obviously, much better to demo before buying. The difference is immediately apparent once onboard!
post #17 of 24
Quote:
Originally Posted by comprex View Post
Shouldn't coccydinia be evaluated?



Hammock seats are not new, look at any Brooks saddle.

Requires much less break-in (if any) than a Brooks and so far, appears more water resistant.
post #18 of 24
Oh, man, I feel for her. When I got my road bike it had a saddle on it that was all wrong for me, basically humped at the tailbone and I thought I was riding on a friggin seat post. Worst tailbone pain I've ever had. It hurt to sit on a sofa after riding. Key for me is a saddle with the indentation at the rear such as the one TC posted. I now ride a Specialized Jett but that's more of a road saddle than MTB but in the interim I put my MTB saddle on the roadie which looks like the one below.

post #19 of 24
Thread Starter 
thanks again everyone - will keep you posted.
post #20 of 24
Quote:
Originally Posted by EFSki View Post
Requires much less break-in (if any) than a Brooks and so far, appears more water resistant.
post #21 of 24
http://www.terrybicycles.com/saddles/product.html?t=w

These seats seem to be pretty popular...particularly with the women folk.
post #22 of 24
Thread Starter 
Thanks - will ride tonight and let you all know what we find out...

Quote:
Originally Posted by Johnnys Zoo View Post
http://www.terrybicycles.com/saddles/product.html?t=w

These seats seem to be pretty popular...particularly with the women folk.
post #23 of 24
I'm sorry KZ, I thought I had posted the link to Terry's cycle earlier in the thread.
You will find the Damsefly in the link JohnnysZoo provided.
They have a solid guarantee 30 days. If you don't like it, return it!
post #24 of 24
Thread Starter 
Cool. Will be looking into a new seat this weekend. BTW - some positioning adjustments and removing the gel pad made a BIG difference. After watching her hips and side view, we lowered the seat 1.5 inches, adjusted the seat angle just a tad lowering the front and kept the bars the same. Had a great ride and she felt no pain. After looking at the seat options everyone turned us on to, we are both interested in making a change. Thanks to you and all the others that gave input here - you all were a big help!

Ken


Quote:
Originally Posted by Trekchick View Post
I'm sorry KZ, I thought I had posted the link to Terry's cycle earlier in the thread.
You will find the Damsefly in the link JohnnysZoo provided.
They have a solid guarantee 30 days. If you don't like it, return it!
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