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Which is better: specific or variable practice? How does it depend on what you are trying to achieve in terms of retention and transfer of skill? The ultramarathon as a complex system and my report on surviving my first one!
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Articles/links:
A sensorimotor basis for motor learning: evidence indicating specificity of practice
Specificity and variability of practice
Specificity of Learning a Sport Skill to the Visual Condition of Acquisition

More information:
My Research Gate Page (pdfs of my articles)
My ASU Web page
Podcast Facebook page (videos, pics, etc)
Twitter: @Shakeywaits
Email: robgray@asu.edu

Credits:
The Flamin’ Groovies – Shake Some Action
#1s – Long Way to Go
Zaki Ibrahim & Fresh Kils – Long Time Running
Paul Collins Beat – Long Time Gone
Mark Lanegan – Saint Louis Elegy