170. Navigating Injuries: Understanding the Relationship Between Capacity and Load

Andrew Fix — Tue, 29 Apr 2025 12:26:11 +0000

Most injuries don’t come out of nowhere. They happen when your body is asked to do more than it’s ready for.

In this episode, Dr. Andrew Fix breaks down how injury, capacity, and stress are connected in ways that many people overlook. What causes an injury? Why do some aches seem to pop up after a small change in your routine? He explains how every tissue in your body has a capacity for stress and why injuries tend to happen when that capacity falls short of the demands placed on it.

Dr. Fix shares how sleep, nutrition, recovery, and daily stress shape your body’s ability to handle load. A few poor nights of sleep or a spike in emotional stress can quietly chip away at your tissue capacity without you even realizing it. By paying attention to these shifts, you can catch small problems before they turn into bigger setbacks. Dr. Fix also walks through his three-step approach, reset, restore, reload, which focuses on treating symptoms while strengthening the body for the long haul.

Whether you are chasing big fitness goals or just want to stay active without injury, this episode is a reminder that the balance between stress and capacity matters every single day.

Quotes

“Injuries happen when the load or the stress that’s being placed on the tissue is more than the capacity or the tolerance that the tissue has.” (01:58 | Dr. Andrew Fix)
“Whenever our load stays below the capacity of the tissue, you’re really gonna be at a low risk of injury in those situations.” (03:35 | Dr. Andrew Fix)
“We want to identify any issues that are present before we get to this point… we can prevent a lot of these things from happening.” (05:48 | Dr. Andrew Fix)
“Is the capacity of the tissue strong enough to withstand the load that it’s being asked to tolerate?” (07:47 | Dr. Andrew Fix)
“We need to reload. We need to improve the capacity of our tissues so that we can withstand the load that we’re being asked to do, whether that’s training wise or otherwise picking up your kids, you name it.” (09:10 | Dr. Andrew Fix)

Links

https://www.professionalseminars.com/post/understanding-load-vs-capacity-unraveling-the-mystery-of-injuries-and-pain#google_vignette

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