Packing the Shoulder, Chiropractic Adjustments, and Unstable Surface Training – Movement Debrief Episode 43

Movement Debrief Episode 43 is in the books. Below is a copy of the video for your viewing pleasure, and audio if you can’t stand looking at me.

Here is the set list:

  • Is there a place for packing the shoulder?
  • Should we coach the shoulders to be down and back?
  • How should we coach the shoulder to move?
  • Do wide infrasternal angles cause more trap issues?
  • Do chiropractic adjustments work?
  • How to improve shoulder external rotation?
  • What are my thoughts on unstable surface training?
  • Is there any research supporting unstable surface training?
  • What are the best ways to work on stability and balance?

If you want to watch these live, add me on Facebook or Instagram.They air every Wednesday at 8:30pm CST.


and the audio version…


Zac Cupples iTunes                


Here were the links I mentioned:

Infrasternal Angles

The unreliability of posture

Manipulation and mobilization for treating chronic low back pain: a systematic review and meta-analysis.

Spinal Manipulation Institute

Restoring Shoulder Motion

Here is an example activity I use to restore shoulder external rotation

Effects of Strength Training Using Unstable Surfaces on Strength, Power and Balance Performance Across the Lifespan: A Systematic Review and Meta-analysis

The PEDro Scale for grading evidence

The Problem of Transfer with Charlie Reid

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Packing the Shoulder

Wide Infrasternal Angle and Traps

Chiropractic Adjustments

Shoulder External Rotation

Unstable Surface Training