482 - The Coaching Eye - How Reliably can Expert Coaches Observe Movement?

Can expert coaches reliably judge the key features of a sporting action like a tennis serve? Does viewing angle, age and gender matter? Articles:The expert eye? An inter-rater comparison of elite tennis serve kinematics and performance More information: perceptionactio...
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[@combatathletephysio]

Hey, Rob! Cool study! I’m curious as to the utility of this study with respect to the ecological approach. If we’re staying true to the EA, it would seem that we should be focused on successful completion of the task no matter how the movement looks (movement quality). My initial thought was that maybe these coaches could be better at identifying invariants and therefore be better able to constrain the environment to afford, however it seems that invariants would be much more broad than something like shoulder internal rotation speed or other biomechanical features. Thanks for all you do!

[@AaronMartinProfessional]

Would love to see this study design, measuring validity as a secondary research goal - comparing the coaches’ scores to efficiency of force production.