Effect of the single-leg, lateral oblique, decline squat exercise on sacroiliac joint pain with knee pain.
Won-Gyu Yoo
PMID 27799721WHAT IT FOUND
One woman with sacroiliac and knee pain reported pain dropping from 7/10 and 6/10 to 2/10 after four weeks of single-leg decline squats.
Her pelvic tilt angles also increased. This describes one person, not a pattern.
Key findings
01Pain scores for the right medial buttock and right anterior knee both decreased from 7/10 and 6/10 to 2/10 after four weeks of exercise.
02Anterior pelvic tilt angles increased from 3.5° and 6.5° to 8° and 10° on the right and left sides respectively.
03Pain provocation tests for the sacroiliac joint became negative after the intervention.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study reports on a single patient, so the results cannot be generalised to other individuals with sacroiliac or knee pain. There was no control group or comparison intervention, making it impossible to know if the exercise caused the improvement or if it occurred naturally over time. The outcome measures were taken by a single examiner, introducing potential bias in the assessment of pain and pelvic tilt.
The easy way to misread this
Do not assume this exercise is an effective treatment for sacroiliac or knee pain based on this report. It describes the outcome of one person who improved, but without a control group or larger sample, we cannot know if the exercise caused the change or if other factors were responsible.