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Unified Health & Performance Continuum Model

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Narrow ISA

Bill Hartman’s Podcast for The 16% – Season 2, Number 1

March 5, 2020 By Bill Leave a Comment

  Update on terminology meaning and use Why does stretching succeed and why does it fail? Can you turn a narrow infrasternal angle into a wide infrasternal angle? How do I use meditation?  Listen on Apple Podcasts   Find Bill: Instagram Facebook Twitter LinkedIn

Q & A for The 16% – Can You Make a Narrow Infrasternal Angle into a Wide Infrasternal Angle?

March 4, 2020 By Bill Leave a Comment

Question: Is it possible that a narrow ISA became wide ISA after prolonged period of compressive training(ie powerlifting)? If so, will you treat them as narrow or wide? Question 2: I’ll second this question, phrased differently can a narrow ISA present with a wide ISA measure and would to total shape of the rib cage […]

Q & A for The 16%… Resources to Help Build Your Model

January 27, 2020 By Bill Leave a Comment

I get a lot of questions about where you can find more information about how I developed my model of human performance. There are countless resources available. Here’s some foundational resources you may find useful. Keep in mind, this is just the beginning. Recognizing and Treating Breathing Disorders: A Multidisciplinary Approach https://www.amazon.com/dp/0702049808/ref=cm_sw_em_r_mt_dp_U_9uUlEbFG1GBX9 Anatomy of Breathing […]

Q & A for The 16%… Wide Infrasternal Angle vs Narrow Infrasternal Angle Relationships

January 26, 2020 By Bill Leave a Comment

I’ve been getting a lot of similar questions that appear to be related to understanding my references to wide infrasternal angles vs. narrow infrasternal angles. When breathing is restricted such that full inhalation or full exhalation cannot be achieved, the infrasternal angle (ISA) provides guidance as to what compensatory strategy is being utilized to maintain […]

Monday Question: How To Gain Shoulder Flexion for the Narrow Infrasternal Angle Client

January 13, 2020 By Bill Leave a Comment

Clients with wide infrasternal angles and narrow infrasternal angles tend to benefit from different strategies in regard to improving shoulder flexion range of motion. Shoulder impingement or simple achieving a normal overhead reach without using a compensatory reaching strategy is built from the lower thorax upward. This video explains why it’s important to improve the […]

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