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Vertical Impact Loading Rate in Running: Post #2 from Jay Dicharry of the UVA Speed Lab

Posted on February 08 2011

Yesterday I published a post on the topic of vertical impact loading rate in running – sounds like a complex topic, but in reality it simply represents how quickly you impact the ground when you run. The topic has gained a lot of interest among scientists lately as recent research has suggested that higher loading rates may be linked to increased likelihood of suffering a running injury (like most things in science, there is some debate about this).

Also yesterday, Jay Dicharry, a physical therapist at the University of Virginia Speed Lab, posted his thoughts on why a runner should care about loading rate based on his clinical and research background. In this post, Jay states:

“I’ve learned through the years, that it’s critical to minimize loading rate.”

“Decreasing the loading rate applied to tissues will minimize tissue stress to the runner, minimizing the effects of the micro-trauma of endurance training. The rate at which structures are loaded has been implicated in both stress fractures and soft tissue dysfunction.”

Jay follows his first post today with a great post describing the ways that a runner can go about reducing loading rate. In it he discusses why footstrike may not be the primary factor in gait change that we should all be focusing on, as well as other tips for reducing loading rate. Fascinating read backed up by lab data – won’t give away the details. Read Jay’s post here.

Here are links to all three posts on vertical loading rate:

My initial post describing what vertical loading rate is:

Jay’s initial post describing why a runner should care about vertical loading rate:

Jay’s follow-up post on how a runner can reduce loading rate:

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