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When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals
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I am hoping there may be someone that has been through a similiar issue and can point out things that helped them out. There are a few factors that I know have affected me recently, but the general trend is that it feels like my inner thigh muscles (more towards groin) get tired/start burning before anything else. This was particularly apparent in a set of 105% FTP intervals last night, in which I actually had to stop early because they felt dead and it then starts having an impact on the rest of the thighs. Endurance intervals are okay, because they are only up to about 70-75% FTP. I am still aware of it, but it doesn't cause me any reason to stop.

I think last night may have been an outlier as this weekend, I have done;

Sat PM : A hard (for me) 5.5 mile with 4 miles above tempo (max effort) run.
Sun AM : Close to 3k in the pool with 12x100 @ 1:45 (2:00 leave) SCM. Which for me is a extremely solid workout
Sunday Day : Out and about.
Sun PM : Attempted to do TR workout http://www.trainerroad.com/...es/1101234-Tiehacker and failed. HR seemed fine, just the inner thighs which went.

So, at least for this workout, I would guess that I have tried to do too much over the weekend and should really have spread the key Run and Bike workouts so that they were not 2 days in a row.

However, as said, it does seem that this is evident on most workouts, and mainly indoors. Perhaps there is an additional element of more focus outside.

I have bumped up my swimming in the last month or so, going from about 4k per week to 1-12k. Perhaps this may have an impact, but I generally do not feel it in the pool in that area.

I have been fitted on my bike and apart from this issue, I believe it is good.

As it is coming up to the off-season, I was thinking of adding some strengthening exercises into a weekly routine to target this area, maybe you have some other ideas or suggestions.

ETA. I am sat here in the office now and I can feel those inner thighs are sore. No other muscles, just those!

Thanks

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Last edited by: chrisbint: Sep 1, 14 2:48
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Re: When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals [chrisbint] [ In reply to ]
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Always hard to say without seeing someone and understanding more.

Happen on both sides?

The adductor muscles primarily work to pull your legs together, but also work to extend the hip when its in a flexed position.

if you're too closed at the hip, it might be putting undo strain on the muscles.

When did this begin?

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Re: When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals [xtrpickels] [ In reply to ]
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Based on the available information, I am guessing that the pain that you are describing is likely due to over engagement of the hip flexors in one particular part of the pedal stroke. These muscles may be insufficiently strong at the effort that you are trying to maintain and as a result they fatigue and cause you discomfort.

Look at this image: http://www.pinkbike.com/...dal-Stroke-2012.html

By using your other leg more forcefully when the affected leg would be engaging the fatigued muscles you can train yourself out of the habit of pulling up on the pedal during harder efforts and stop using those muscles. It won't happen overnight but it can be done.

Hope this helps

Jeffrey Sankoff, MD
TriDoc Coaching/TriDoc Podcast
Train hard, train healthy
http://www.tridocpodcast.com
http://www.tridoccoaching.com
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Re: When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals [xtrpickels] [ In reply to ]
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xtrpickels wrote:


Always hard to say without seeing someone and understanding more.

Happen on both sides?

The adductor muscles primarily work to pull your legs together, but also work to extend the hip when its in a flexed position.
if you're too closed at the hip, it might be putting undo strain on the muscles.

When did this begin?


Happens on both sides, which I suppose is a better thing as it means I am equally having problems!

I think I have always had a very slight issue, just massively more pronounced at the moment it seems. I have recently changed to shorter cranks with a corresponding saddle height change. I went from 172.5 to 162.5. I have adjusted my cadence to suit and I wonder if perhaps this compounds the issue. If anything, my hip is more open now than before as it has certainly helped in other areas.

I have also been swimming more, but it's only the bike where I actually see issues.

I have only asked as I saw a quote that went something like "All muscles should hurt equally after a bike workout" which was clarified to mean that no single muscle should be a lot sorer than the others. Right now, my adductor longus is screaming at me and everything else is calm.

I can stick a video up with me on the bike if it helps?

Thanks

On the internet, you can be anything you want. It is a pity so many people choose to be stupid.
Last edited by: chrisbint: Sep 1, 14 9:05
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Re: When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals [tridoc5280] [ In reply to ]
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tridoc5280 wrote:
Based on the available information, I am guessing that the pain that you are describing is likely due to over engagement of the hip flexors in one particular part of the pedal stroke. These muscles may be insufficiently strong at the effort that you are trying to maintain and as a result they fatigue and cause you discomfort.

Look at this image: http://www.pinkbike.com/...dal-Stroke-2012.html

By using your other leg more forcefully when the affected leg would be engaging the fatigued muscles you can train yourself out of the habit of pulling up on the pedal during harder efforts and stop using those muscles. It won't happen overnight but it can be done.

Hope this helps

That certainly fits with what I am feeling, but given this is an issue with both legs? I am also not consciously pulling up and I also get the feeling, to a lesser degree, on endurance sessions as well.

Thanks

On the internet, you can be anything you want. It is a pity so many people choose to be stupid.
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Re: When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals [chrisbint] [ In reply to ]
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Not consciously pulling up is not the same as not pulling up.

These muscles, especially the sartorius, the green band extending across the thigh in the picture, is notoriously weak and susceptible to early fatigue. It doesn't take much to get issues with this one.

And yes, it can be in both legs.

Jeffrey Sankoff, MD
TriDoc Coaching/TriDoc Podcast
Train hard, train healthy
http://www.tridocpodcast.com
http://www.tridoccoaching.com
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Re: When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals [tridoc5280] [ In reply to ]
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tridoc5280 wrote:
Not consciously pulling up is not the same as not pulling up.

These muscles, especially the sartorius, the green band extending across the thigh in the picture, is notoriously weak and susceptible to early fatigue. It doesn't take much to get issues with this one.

And yes, it can be in both legs.

Would strengthening help here or more just ensure I am not pulling up? It does feel like that general area is just 'tired'

Thanks

On the internet, you can be anything you want. It is a pity so many people choose to be stupid.
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Re: When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals [chrisbint] [ In reply to ]
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Your knees are splayed too far out, causing you to have to pull them in with your inner thigh.

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Interviews with Chris McCormack, Helle Frederikson, Angela Naeth, and many more.
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Re: When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals [texafornia] [ In reply to ]
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texafornia wrote:
Your knees are splayed too far out, causing you to have to pull them in with your inner thigh.

I thought about this, but could not put my finger on a reason for doing so. I have been fitted on this bike and my saddle height should be good based on this. I also cannot see it happening when I am looking for it.

Anything else that could cause this to happen aside from saddle height?

Thanks

On the internet, you can be anything you want. It is a pity so many people choose to be stupid.
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Re: When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals [chrisbint] [ In reply to ]
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I have an idea - besides what others have said (pulling your knees closer to your bike frame) the reason why your inner thighs go quickly when cycling indoors may be a simple matter. When you are riding on the trainer you are bolted into the trainer and your bike will move side to side only very slightly. When you are pedaling on the road the bike will move with your body. If your pedal stroke isn't perfectly downwards then when you are bolted into the trainer you might be expending some of your muscle to move the bike side to side - which because of the trainer set up means you will experience more resistance to the side to side motion. Give it a thought.
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Re: When cycling, mainly indoors, any suggestions as to why my innner thighs go first during intervals [chrisbint] [ In reply to ]
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Don't believe in your one-time bike fit to the point of it being a religion. Your flexibility changes, bike shorts have different padding, cleats move, and you can be sitting more fore or aft than you used to be. Instead, use a fit to learn what a good fit feels like. Whenever something hurts, adjust things to find that feeling again. You gotta remember, the whole point of a bike fit is to make things feel good. Don't stick with a bike fit if it doesn't feel good. This can be hard to do, because you've paid money to a commitment, and the ego can make you want to stick with something that doesn't work because you feel foolish if you change. Be ok with being a fool on occasion and you can constantly improve.

----------------------------------------------------------
Zen and the Art of Triathlon. Strava Workout Log
Interviews with Chris McCormack, Helle Frederikson, Angela Naeth, and many more.
http://www.zentriathlon.com
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