Wonder why I don't bike in circles?
I went to a physical therapist today... One leg is between 2cm and 2.5 cm shorter than the other! Almost an inch! He has me doing some stretches and exercises to help with my foot issues and also to work on legs and ankles.
I am seriously considering shortening the crank arm on the left side, but will wait for his recommendation. I may put a shim on the pedal of my stationary and see how it feels. Anyone else facing this? |
I'm 7MM shorter on one leg which isn't even close to you. WOW, you've been walking leaned over your whole life!
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I suspect my right foot is bigger than my left. Maybe there are variable size pedals I could try.
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I'm not but there are a few different length, adjustable or full custom cranks out there
http://www.bikeforums.net/showthread...ght=adjustable http://www.bikeforums.net/showthread...ght=adjustable http://www.bikeforums.net/showthread...ght=adjustable |
i'm off by maybe a 1/4" or so...maybe a tad more...it always bothered me.
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Actually, most people use the same length crank arms regardless of their leg length. They adjust frame size or seat height to compensate, not crank arm length. If it doesn't feel like a problem, it isn't. The shim might be an idea, and seems like I have seen that discussed in the road forum a good while back.
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Originally Posted by tomdaniels
(Post 6242811)
[snip] I am seriously considering shortening the crank arm on the left side, but will wait for his recommendation. [snip] (just kidding!!) |
My right leg is about 12mm shorter than my left. This ultimately caused mild scoliosis -- pelvis isn't straight while walking or standing, so spine is at an angle, but the body tries to keep it vertical. I have a 12mm heel lift I usually wear in my right shoe.
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Cain,
Maybe we should've found a 3 legged race to run while we were in mille lacs! We would've been all out of balance! |
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I am off by 1.5 cms. I didn't know this until I went to sports medicine for knee pain a few years back.
Basically I'm missing cartilage in my left knee as a result of my patella not tracking correctly due to the extra length in my left leg. I can still run but sports that require lateral movement like basketball become very very painful. I don't wear anything special to correct this and I don't shim the cleats on my cycling shoes. What's helped is stretching my hamstrings, wearing inserts (Birkenstocks are my favorite) to make sure my heel is cupped and arch is supported, and--you guessed it--cycling. Cycling keeps my patella tracking up and down correctly. If I'd known about this sooner, I could have taken better care of myself. Maybe I'd be on basketball forums instead of Bikeforms? :D |
Bill K.,
Is there anything that the dear departed Sheldon Brown did not write about?! Thanks for the link. I am leaning towards the pedal buildup to start then. |
Originally Posted by tomdaniels
(Post 6245671)
Bill K.,
Is there anything that the dear departed Sheldon Brown did not write about?! Thanks for the link. I am leaning towards the pedal buildup to start then. My brother was in an auto accident when he was 15 and had a broken back/paralysis amongst some of his injuries. (Thank God for a competent neurosurgeon!) While spending 2 months in the hospital, he grew about 4 inches on one side. A couple years later, they shortened one leg about 1-1/2", but it's still noticeably longer than the other. When he sits, 1 knee is about 1" higher than the other, and you can see the outline of the steel plate in his shin. They've strongly advised him to wear a built up shoe to keep his back better aligned to help minimize future back problems. He did for a few years, but he got tired of the expense. That's been nearly 40 years ago. Ironically?, my niece was in one of the classic "car stuck on the railroad tracks" accidents and ended up with the same leg situation. They "stretched" her leg 1-7/8", which supposedly was a record at that time. Problem was, her tendons didn't stretch as much! http://catalog.nucleusinc.com/imagesenlarged/14748W.jpg I'd suggest wearing at least a "partially built up shoe or some kind of insert. Just to help avoid back problems in the future. Even if you added a 1/4"..... |
I often get pain/numbness only in my left foot, which leads me to believe my legs are different.
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Originally Posted by Mazama
(Post 6246572)
I often get pain/numbness only in my left foot, which leads me to believe my legs are different.
http://www.sidas.com/ - still :eek: under construction (their old non-flash site was fine :mad: ) - anyway there are a number of shops in the US with the con'formable heat mouldable footbeds. They're very good, take ~30min to fit and make and much less expensive than a full custom job from someone with a medical qualification. http://www.superfeet.com/activity/cycling.aspx - preformed, drop in, orthotics that are also very good but only go to a US17 I think edit: superfeet shoe size correction |
If you have a special shoes to compensate, use them if your ride on platforms.
If you use clipless pedals, put a shim under the pedal cleat on the sole of the shoe. |
Originally Posted by tomdaniels
(Post 6242811)
I went to a physical therapist today... One leg is between 2cm and 2.5 cm shorter than the other! Almost an inch! He has me doing some stretches and exercises to help with my foot issues and also to work on legs and ankles.
I am seriously considering shortening the crank arm on the left side, but will wait for his recommendation. I may put a shim on the pedal of my stationary and see how it feels. Anyone else facing this? Hang tight, Tom, you can get through this. |
Originally Posted by Mazama
(Post 6246572)
I often get pain/numbness only in my left foot, which leads me to believe my legs are different.
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Originally Posted by coasting
(Post 6242944)
I suspect my right foot is bigger than my left. Maybe there are variable size pedals I could try.
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3 Attachment(s)
Here's what I did for my clipless cycling shoes. I only had a piece of 5mm composite board so I used that, which was close enough for me. I had to get creative with the longer bolts, but I was able to make it work. Here are a few pictures.
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My left left is shorter than my right leg by just a little (under 1cm). My left knee would often bother me on long rides until I got it diagnosed. The physical therapist put an insert in my shoe, voila, 99% of the knee pain is gone.
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Good advice guys! I tried a pad (~2cm) on the left pedal of my stationary recumbent and it seems pretty good. I can't tell for certain as I have been sick all week and don't really feel up to pushing the body through a full workout. I didn't push long enough to get the foot issue, but could tell that my left side was running more smoothly.
Assuming that this works, the question now is whether to build up my shoes or my pedal. |
td, are you planning on using clipless pedals? If so which ones?
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Originally Posted by tomdaniels
(Post 6265389)
Assuming that this works, the question now is whether to build up my shoes or my pedal.
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I thought I would post a status update on my leg length issue.
I just attached kneesavers to both sides of my bent and then put a 1 inch pedal block on the left side. A quick spin around the neighborhood felt _VERY GOOD_. I may have to trim off that block a little bit, but it seems like It may make a huge difference. Also, the kneesavers really seem to increase the comfort, but I am pretty wide to begin with---not to mention the 16-17 size shoes. I will know for sure after the first 20 mile ride, I bet. |
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