“Many studies of vertebral artery blood flow changes related to cervical spine rotation have been published, but the findings are controversial and the evidence unconvincing.”
Read more Cervical Spine Vascular Tests
When joint hypermobility is bilateral, one needs to explore systemic issues. Connective tissue disorders may be a contributing factor. The Beighton tests can help assess the magnitude of joint laxity.
Read more Are You Double Jointed?
Evaluating the SI Joint can be challenging with very small amounts of movement and tests with variable statistical values.
Read more Challenges of SI Testing: Part 2
The SI joint is stabilized by a network of ligaments and muscles. The normal sacroiliac joint has been shown to have approximately 2-4 mm of movement. So yes, the SIJ does move!
Read more Challenges of SI Testing: Part 1
Assessing the value of "Special Tests" can be a clinical challenge.
Read more Putting “Special Tests” in Perspective