Legion Strength & Conditioning Podcast

Legion Strength & Conditioning

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Coaches Jon, Luke and Todd have decades of combined coaching experience, and they've each worked with multiple CrossFit Games athletes. They’ve seen every coaching method, programming trick, and mindset hack under the sun, and, in the Legion Strength & Conditioning podcast, they deconstruct what works best to get CrossFit athletes results -- better and faster.

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May 9, 2022

#94: Legibility and Goodharting

Those who are pretty tuned into modern strength and conditioning and training for a sport like CrossFit have probably seen the use of data to improve performance. With complex systems, we can use data to make things more legible, show patterns and give us helpful information. But what happens when that information is not used correctly? One example is the recent widespread use of stretching and mobility apps to improve someone's movement and performance. We are seeing the use of virtual movement assessments to prescribe mobility interventions when human movement is a lot more complex than measuring how many degrees of mobility you have at a particular joint. There are many ways to make marginal gains, but we should be careful in what we chase and why we choose that. In episode 94 of the Legion Strength and Conditioning podcast, we talk about how you can 'keep the goal the goal' and appropriately use simplified, more legible information properly instead of optimising for data and metrics that don't represent the bigger picture. If you're not already subscribed to our newsletter, head over to www.legionsc.com to get a weekly selection of training tips and our favorite articles. We run online workshops for coaches as well. Find out when our next workshop is here: https://legionsc.com/program-design-workshops These podcast are posted in video format on YouTube as well. Show Notes: * [1:15] What's triggered Luke recently * [2:45] Movement and mobility applications and how they are being used * [4:50] How Todd uses movement screens * [8:00] Creating problems for the sake of legibility * [10:00] How overly simplified messages can cause problems * [15:45] Simplifying complex systems to make things legible * [17:35] Goodharts Law - chasing metrics * [20:10] Data averages and cycle rate of movements in CrossFit workouts * [22:00] Causality in workout performances * [24:00] Using data to make useful changes and improving their technique * [27:20] Appropriately using data versus optimising for data