Effect of modified leg-raising exercise on the pain and pelvic angle of a patient with back pain and excessive lordosis.
Won-Gyu Yoo
PMID 28744065WHAT IT FOUND
A patient with low back pain and excessive lordosis reported less pain and smaller pelvic tilt after a modified leg-raising exercise.
This is a single case, so it cannot show the exercise works.
Key findings
01In a 56-year-old woman with low back pain for 1 year, the anterior pelvic tilt angles decreased from 20° and 23° to 16° and 17° on the right and left sides, and the visual analogue scale pain score during backward trunk extension decreased from 8 to 4.
02She performed the modified leg-raising exercise for 2 weeks, three sets of 30 repetitions daily, with the hips and neck flexed at 60° and each position held for 10 seconds.
03The examination found excessive lumbar lordosis without hip flexor shortening.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The report describes a patient, not a group. There was no comparison condition. The paper reports outcomes only for the 2-week exercise period. The paper does not report whether the changes were maintained.
The easy way to misread this
Do not conclude the exercise caused the improvement. The paper reports a single patient and no comparison condition.