Abstract
Background
The relationship between habitual physical activity (PA) and experimental pain tolerance has been investigated in small samples of young, healthy, and/or single‐sex volunteers. We used a large, population‐based sample to assess this relationship in men and women with and without chronic pain.
Methods
We used data from the sixth and seventh Tromsø Study surveys (2007‐08; 2015‐16), with assessed pain tolerance of participants with the cold‐pressor test (CPT: dominant hand in circulating cold water at 3°C, maximum test‐time 106 seconds), and self‐reported total amount of habitual PA in leisure time (n=19,087), exercise frequency (n=19,388), exercise intensity (n=18,393), and exercise duration (n=18,343). A sub‐sample had PA measured by accelerometers (n=4,922). We used Cox regression to compare CPT tolerance times between self‐reported PA levels. For accelerometer‐measured PA, we estimated hazard ratios for average daily activity counts, and for average daily minutes of moderate‐to‐vigorous PA done in bouts lasting 10 minutes or more. Models were tested for PA‐sex, and PA‐chronic pain and PA‐moderate‐to‐severe chronic pain interactions.
Results
Leisure‐time PA, exercise intensity, and exercise duration were positively associated with CPT tolerance (p<0.001; p=0.011; p<0.001). More PA was associated with higher CPT tolerance. At high levels of leisure‐time PA and exercise intensity, men had a significantly higher CPT tolerance than women. Accelerometer‐measured PA was not associated with CPT tolerance.
Conclusions
This study is one of the first to show that higher self‐reported habitual PA was connected to higher experimental pain tolerance in a population‐based sample, especially for men. This was not found for accelerometer‐measured PA.
from Wiley: European Journal of Pain: Table of Contents https://ift.tt/35dvFqH
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