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Absolute: The Art and Science of Human Performance

Absolute is a space full of actionable information related to the management of any athlete as an adaptable system.

Newsletter · By Dr. Michael Chivers · Official site

Indexed issues, last 90 days
11
Latest publication
Sep 29, 2026
Audience
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Earliest in this view
Aug 25, 2026

Latest issues

  1. Issue · Sep 29, 2026

    The Caleb Williams Scramble That Revealed the NFL's Reactive Strength Deficit (opens the original)

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    <img alt="" class="sizing-normal" height="523" src="https://substackcdn.com/image/fetch/$s_!Ukxq!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9911d61c-15cd-41b4-a0e8-c8ec8d6b5f26_931x523.webp"

  2. Issue · Sep 27, 2026

    Caleb Williams Reactive Strength Hamstrings Injury (opens the original)

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    Subscribe nowThe media is calling it non-contact, and it is. But the film shows something more specific. Williams pulls his right knee up to clear a diving defender, and his hamstring goes from short to full length in fractions of a second. He plants at length, on a rain-soaked natural grass field, in cleats. The tissue has to damp the energy of that landing, and it can’t. That’s a bottom-up reactive strength injury, and in this video we walk through it frame by frame.The

  3. Issue · Sep 22, 2026

    Penn State, Mark Latash and the UCM Hypothesis. (opens the original)

    Excerpt · Neutral tone

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    <img alt="" class="sizing-normal" height="980" src="https://substackcdn.com/image/fetch/$s_!j6m7!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6b48378-cdc9-4068-9c9d-ee0478f4ad33_1231x980.jpe

  4. Issue · Sep 20, 2026

    John Baker Founders Meeting (Recording) (opens the original)

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    Share Absolute: The Art and Science of Human PerformanceJohn Baker is a former Major League catcher. Following retirement from MLB he served as the Chicago Cubs’ Head Applied Mental Performance Coach before becoming Director of Coaching & Player Development and later Vice President of Performance for the Pittsburgh Pirat

  5. Issue · Sep 15, 2026

    What’s the Intent Here? Because the Language is Programming. (opens the original)

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    This week we were in State College with the Penn State Football medical and performance staffs. The first slide carried the whole in-service:The language is programming. Treatment and training, programmed in conjugation—one strategy, one athlete, cumulative multifaceted effects that transfer to the football field.<a class="image-link image2 is-viewable-img" href="https://substackcdn.com/image/fetch/$s_!qIM9!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.c

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