Demographic and Clinical Correlates of Device-Measured Physical Activity Levels in Individuals with Femoroacetabular Impingement Syndrome.
Naif Z Alrashdi, Robert W Motl, Sara Samchok and 4 others
PMID 36968171WHAT IT FOUND
People with femoroacetabular impingement syndrome did significantly less vigorous exercise and took fewer steps than healthy peers.
Higher body mass index and poorer quality of life scores were the only factors linked to this lower activity level.
Key findings
01Participants with FAIS spent significantly less time in moderate-to-vigorous physical activity (26.9 vs 52.1 minutes/day) and took fewer steps (6449 vs 8428/day) than uninjured controls.
02Only 40% of participants with FAIS met the recommended weekly physical activity guidelines, compared with 78.6% of controls.
03Within the FAIS group, higher BMI and lower quality of life scores were associated with less vigorous activity, but pain intensity and muscle strength were not.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
The sample size was small (25 participants with FAIS), which limits the stability of the correlations found. The cross-sectional design cannot determine cause and effect; it is unclear whether higher BMI or lower quality of life caused the reduced activity, or if reduced activity led to these factors. The study excluded individuals with previous hip surgery or advanced osteoarthritis, so findings may not apply to more complex or post-surgical patients.
The easy way to misread this
Do not assume that pain intensity or muscle weakness is the primary driver of low activity in patients with FAIS. This study found that neither pain scores nor muscle strength were associated with vigorous activity levels; instead, body mass index and quality of life were the significant correlates.