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le-marktoday at 12:12 PM8 repliesview on HN

I’ve been on this “get back in shape” journey for almost two years now. About a year ago I started walk jog intervals two days a week, then three, then four. I ramped up slowly (maybe too slow) specifically to save my knees. I recently got some asic nimbus shoes. These are running shoes with inch thick soft soles that squish noticeably when you walk or run. They also add a lot of instability and I really feel it in my knees. Impact is a lot better though. They seem springy. Interesting to read the present article. A tiny bit of springiness won’t help me but may help others.


Replies

danielblntoday at 12:58 PM

There are two schools of thought here, but I personally subscribe to the notion that thick squishy soles are an anti-pattern. Your foot/calves/leg are an amazing spring, you don't need a layer of foam to shield you from the impact of the ground (and one can argue that at 2-3x body weight during impact, a bit of foam/rubber won't really shield you from anything), on the contrary these thick soles prevent you from feeling the ground and mess up the proprioception, which in turn messes with the spring mechanism of your legs. The fact that your knees hurt are a strong sign that something isn't right. No impact forces should ever end up in the knees, they should be guided up the posterior chain into your glutes. Muscles are great shock absorbers, joints are terrible terrible shock absorbers.

My recommendation would be to try some zero drop shoes for a while.

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dwdtoday at 1:31 PM

Your knees will thank you when you're older.

Wife currently has a knee issue and the physio has her doing more hip bridges and lunges to build up the supporting muscles. Had a hamstring injury that caused issues by compensating for it and running incorrectly which put additional pressure on the knees.

I used to run in Asics Nimbus and currently just wear them all day. Switched to these bright red Novablast 5s for running and they are noticeably better. I do a mix of Norwegian 4x4 Hiit or a steady fast jog a few times a week.

penetrarthurtoday at 1:23 PM

Good job on getting into running! I would highly suggest you find some "exercises for runners" videos on youtube and find some exercises that are comfortable for you to do. Focus on the exercises that are asymmetric(lunges etc). You can do most of them at home and it takes 30 minutes twice a week. You will feel the results in less than two weeks. Most of the people who run consistently do those kind of exercises because running is very demanding on your body and if stabilizer muscles are weak, the impact will go to your joints and tendons.

thinkharderdevtoday at 12:41 PM

Congratulations on getting back in shape. Just here to say that there is no such thing as ramping up too slowly when getting into (or back into running). So many people push too hard too fast and flame out.

ibashtoday at 12:54 PM

Feel free to keep trying shoe models until you find the right one. It took me 25 pairs of shoes from amazon to find one that fit right (mizuno wave rider in wide).

Running shoes are converging on two designs: maximalist shoes with a long foam and a narrow foot, or “barefoot” shoes. Which means it’s harder than ever to find something that fits if neither of those work well for you.

kccqzytoday at 1:24 PM

If you feel instability, you should try stability shoes. They really help reduce overpronation.

iamacyborgtoday at 12:48 PM

Running shouldn’t hurt or harm your knees, in fact it’s more likely to be beneficial.

You might find stability shoes to be beneficial until you’ve built up the right muscles, high stack shoes can be quite unstable.

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askvictortoday at 1:07 PM

Have a read of "born to run"