Distractors
A rotation of the spine and rib cage away from the tightened psoas
The use of other muscles to bring the rib cage back the opposite way
A rotation of the spine and rib cage toward the tightened psoas
Key
A simple lateral flexion to the side of the shortened muscle
Question
From “The Opinionated Psoas: Part 3” - According to the author, the first stage of rotation induced by unilateral pull of the psoas is: