Leg Stiffness in Running, and WHAT and the WHY.
![Leg Stiffness in Running, and WHAT and the WHY.](https://kajabi-storefronts-production.kajabi-cdn.com/kajabi-storefronts-production/file-uploads/blogs/2147509545/images/887348-a20-c1c2-dd84-e758dded4822_Leg_Stiffness.png)
Leg Stiffness, or the Spring Mass Model, is key when considering a runner's efficiency. Let's delve into what it looks like, why it's so important, and some ways to improve it.
![](https://www.futurity.org/wp/wp-content/uploads/2022/01/running-shoes-leg-stiffness-1600.jpg)
Cushy running shoes don't increase leg stiffness - Futurity
![](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41598-022-16263-7/MediaObjects/41598_2022_16263_Fig4_HTML.png)
Insight into the hierarchical control governing leg stiffness
![](https://www.researchgate.net/profile/Felipe-Pinillos/publication/328876579/figure/fig3/AS:692782897307654@1542183722445/Vertical-Kvert-A-and-leg-stiffness-Kleg-B-during-the-running-protocol-at_Q320.jpg)
Vertical (Kvert [A]) and leg stiffness (Kleg [B]) during the
![](https://domf5oio6qrcr.cloudfront.net/medialibrary/2275/walking-pain-legs-hurt.jpg)
When walking makes your legs hurt - Harvard Health
bioSPORT
![](https://athleticsweekly.com/wp-content/uploads/2014/10/drop-jumps-444x500.jpg)
Leg stiffness and sprinting - AW
![](https://www.verywellhealth.com/thmb/7XBPsyUYK4UdtxA5Hpxx4mmPa8g=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/VWH_Illustration_Home-Remedies-for-Inner-Knee-Pain-After-Running_Illustrator_Theresa-Chiechi_Final-08e6450adbeb44bdb3cf3740cf30cfc2.jpg)
Causes and Treatment for Medial Knee Pain After Running
![](https://cdn.shopify.com/s/files/1/0011/7958/2517/files/it-band-pain-from-running_1024x1024.jpg?v=1526481526)
Runner's Knee Causes & Treatments for Knee Pain After Running
![](https://www.verywellhealth.com/thmb/qJAEC5djuBKmnLuiHi_xDuQMcoM=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/thighpainfinal-01-5c1b07c8c9e77c0001fed2d4.png)
Thigh Pain: Causes, Treatment, and When to See a Healthcare Provider
![](https://ars.els-cdn.com/content/image/1-s2.0-S0966636217301716-gr1.jpg)
Leg stiffness during sprinting in transfemoral amputees with
![](https://images.everydayhealth.com/images/healthy-living/fitness/ehfc-quick-fixes-for-sore-muscles-alt-1440x8102031b712167e4dcb950680bf8694642d.jpg)
How to Fix Sore Muscles: Quick Relief Tips
Leg Stiffness and Sprinting, PDF, Recreation
![](https://i.ytimg.com/vi/GYGh95YvMYE/hqdefault.jpg)
Calf Pain: How to Prevent Sore Calves From Running [Fully Explained]