Rotation vs Tilt, Harrison’s Grooves, and Overhead Squat – Movement Debrief Episode 53

Movement Debrief Episode 53 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:

  • What is the difference between pelvic rotation and tilt?
  • What are the treatment considerations for each?
  • What are Harrison’s Grooves?
  • What are the treatment considerations for Harrison’s Grooves?
  • Is the overhead squat test useful for determining movement limitations?
  • What squat variations ought to be tested?

If you want to watch these live, add me on Facebook or Instagram.They air every Wednesday at 7pm CST.


and the audio version…

Zac Cupples iTunes                

Here were the links I mentioned:

Sign-up for the Human Matrix in Seattle, WA on September 15-16th here

Sign up for the Human Matrix in Kansas City, KS on October 27-28th here


Sign-up for the Human Matrix in Portland, OR on November 10-11 here

Harrison’s Grooves Definition

Here are some pictures of Harrison’s Grooves

Posture and body image in individuals with major depressive disorder: a controlled study

Upright posture improves affect and fatigue in people with depressive symptoms.

Infrasternal angles and more


Here’s a signup for my newsletter to get nearly 3 hours and 50 pages of content, a free acute:chronic workload calculator, basketball conditioning program, podcasts, and weekend learning goodies:

[yikes-mailchimp form=”1″ submit=”Get learning goodies and more”]

Tilt vs. Rotation

Harrison’s Grooves

Overhead Squat