Association between rotation-related impairments and activity type in people with and without low back pain.

The objective of this study was to determine whether people with low back pain (LBP) who regularly participated in a rotation-related activity displayed more rotation-related impairments than people without LBP who did and did not participate in the activity. This was performed using a case-control study involving 103 people in a musculoskeletal analysis laboratory. The total number of participants were split into 3 groups LBP (n=55) who participated in a rotation-related sport, back-healthy controls (n=26) who participated in a rotation-related sport, and back-healthy controls (n=42) who did not participate in a rotation-related sport. Participants were matched based on age, sex, and activity level. The total number of rotation-related impairments and asymmetrical rotation-related impairments identified during a standardized clinical examination.  Compared with the back-healthy controls who do not play a rotation-related sport group, both the LBP and back-healthy controls who play a rotation-related sport groups displayed significantly more (1) rotation-related impairments (LBP, P<.001; back-healthy controls who play a rotation-related sport, P=.015), (2) asymmetrical rotation-related impairments (LBP, P=.006; back-healthy controls who play a rotation-related sport, P=.020), and (3) rotation-related impairments with trunk movement tests (LBP, P=.002; back-healthy controls who play a rotation-related sport, P<.001). The LBP group had significantly more rotation-related impairments with extremity movement tests than both of the back-healthy groups (back-healthy controls who play a rotation-related sport, P=.011; back-healthy controls who do not play a rotation-related sport, P<.001).

In conclusion the LBP and back-healthy controls who play a rotation-related sport groups demonstrated a similar number of total rotation-related impairments and asymmetrical rotation-related impairments, and these numbers were greater than those of the back-healthy controls who do not play a rotation-related sport group. Compared with people without LBP, people with LBP displayed more rotation-related impairments when moving an extremity. These findings suggest that impairments associated with extremity movements may be associated with having an LBP condition.

Neck Pain

Out of all 291 conditions studied in the Global Burden of Disease 2010 Study, neck pain ranked 4th highest in terms of disability and 21st in terms of overall burden.

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