The Performance Matrix
MOVEMENT EFFICIENCY FOR A LIFETIME

Observing for uncontrolled sidebend of the low back

5th October 2011

The Performance Matrix Movement & Performance Screens identify weak links (uncontrolled movement). Uncontrolled movements are classified by the site, direction and threshold of uncontrolled movement.

Here are a few notes on observing sidebend of the spine:

1. Neutral  standing on 2 feet

  • Body vertical with hips and shoulders level and centred over the feet

2. Neutral standing on 1 foot

  • Body vertical
  • Shoulders and pelvis level
  • Nose + sternum + belly button (pubic symphysis) aligned vertically above the 2nd metatarsal

3. Sidebent spine

The head, shoulders and trunk leans laterally out over the base of support

A. Standing on 2 feet

  • If the head and shoulders and sternum lean laterally (to the right) over the pelvis and align over the right foot – we term this a spinal sidebend to the Right.
  • (don’t worry about the feet or and lateral pelvic tilt or shift – variable )
  • The pelvis will have adaptive movement slightly to the left
  • There will be a bit of adaptive hip adduction and abduction.

B. Standing on 1 foot

  • If you are standing or landing on your right foot and the head and shoulders and sternum lean laterally (to the right) over the pelvis and foot – we term this a spinal sidebend to the Right.
  • The pelvis will have adaptive movement slightly to the left
  • there will be a bit of adaptive right hip abduction (don’t worry about the lateral pelvic tilt or shift - variable)
  • If you are standing or landing on your left foot and the head and shoulders and sternum lean laterally (to the right) over the pelvis and foot – we term this  spinal sidebend to the Right.
  • The pelvis will have adaptive movement slightly to the left
  • there will be a bit of adaptive left hip adduction (don’t worry about the lateral pelvic tilt or shift - variable)
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