/, Gear, Running Shoes/[Ask the Doctor] Do I Need New Shoes?

[Ask the Doctor] Do I Need New Shoes?

My name is Dr. Kim Davis, the Founder of RunLab, and I have been asked to start a monthly contribution to Texas Running Post.  I’m an endurance athlete first and a sports medicine practitioner when I’m not on my bike or running the trails.  It’s my hope that you will connect with me on our exploration of all things running and if there are topics you would like to see discussed please reach out to me: DrDavis@RunLabAustin.com

The easiest place for me to start is to address the number one question I get at RunLab on a daily basis: “Do you think I need new shoes?”  Given the frequency, let’s begin here: How often do you need new shoes?

The short answer: probably more often than you think.

Pig in a shoeWe recently had a great guy come into the clinic with a hole in his shoe so big that his pinky toe was sticking out because…

wait for it…

…the school pig had chewed on it a few weeks back. Another lovely woman came in last week wearing Newtons with so little heel left on them that it was causing her to lean backward when she ran [in case the irony of this is lost on you, Newton’s big claim is that they teach you to run on your mid/forefoot].

Even if you have managed to achieve sound biomechanics (rare), are extremely light weight (also rare), and a low mileage runner without a pet pig, it is still important to remember that your shoes have a shelf life. Those sweet neon and splatter-paint Nike knock-offs you bought for $39.99 from the San Marcos Outlet in 2008 may look really cool, but they probably aren’t doing you any favors from an injury prevention standpoint. EVA foam begins to harden after 1-1.5 years, meaning that when you buy older model shoes on clearance or online it is possible for them to be “worn out” before you ever run in them.

Most runners should replace their shoes every 300-500 miles depending on the weight of the runner and the efficiency of their mechanics. They also try to wear shoes that help to avoid bunions that may hinder their activity. If you have this problem, you can look up shoes made exactly for this on Shoe Adviser. This means every 5-6 months for the average or very lightweight runner and every 2-3 for the higher mileage or heavier runner, and this assumes you ONLY RUN in your running shoes, not wear them to work or to the gym. Most patients wait until they start to notice nagging pains before they think to replace their shoes, instead of doing it before the issues pop up.

What about rotating through shoes?

I am a huge fan of this concept. Not only does it allow your shoes time between runs for the foam to “bounce back”, but different types of shoes give you different feedback from the ground, and in my opinion this is always a good thing from a neuromuscular standpoint. Your body adapts very quickly to a learned stimulus. By giving it different signals you are forcing it to constantly respond to outside stimuli instead of just “going through the motions” with learned patterns. I personally rotate through several shoes depending on the type of run and how fatigued my body is (my weapons of choice right now are Nike Terra Kigers, Saucony Kinvaras & Hoka Cliftons) and I find it works very well for keeping my body engaged with what is going on between my foot and the ground. If you would like some guidance on this please feel free to call us or stop by and chat. Everyone that works at RunLab is a dedicated runner and we love talking shop.

See you on the trails.

-Dr D

Dr. Kimberly Davis

About Dr. Kimberly Davis

I'm the founder of RunLab, the premier destination for runners & triathletes in Central Texas for gait analysis, sport-specific rehab, training and specialty footwear. I moved to Austin in 2012 from Portland, Oregon. I get to work every day with cyclists, runners, and triathletes. As an avid triathlete and adventure racer, I can relate to the unique challenges of endurance athletes and I'm committed to helping them return to their sport as quickly as possible. RunLab has three locations: Downtown, Lakeway & North Austin. Visit us on the web at www.RunLabAustin.com

2019-05-07T02:22:59-05:00 Categories: Ask the Doctor, Gear, Running Shoes|
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