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Inter- and intra-ob...
Abstract
Ämnesord
Stäng
- BackgroundMusculoskeletal disorders particularly in the back and lower extremities are common among marines. Here, movement-control tests are considered clinically useful for screening and follow-up evaluation. However, few studies have addressed the reliability of clinical tests, and no such published data exists for marines. The present aim was therefore to determine the inter- and intra-observer reliability of clinically convenient tests emphasizing movement control of the back and hip among marines. A secondary aim was to investigate the sensitivity and specificity of these clinical tests for discriminating musculoskeletal pain disorders in this group of military personnel.MethodsThis inter- and intra-observer reliability study used a test-retest approach with six standardized clinical tests focusing on movement control for back and hip. Thirty-three marines (age 28.7 yrs, SD 5.9) on active duty volunteered and were recruited. They followed anin-vivoobservation test procedure that covered both low- and high-load (threshold) tasks relevant for marines on operational duty. Two independent observers simultaneously rated performance as “correct” or “incorrect” following a standardized assessment protocol. Re-testing followed 7–10 days thereafter. Reliability was analysed using kappa (κ) coefficients, while discriminative power of the best-fitting tests for back- and lower-extremity pain was assessed using a multiple-variable regression model.ResultsInter-observer reliability for the six tests was moderate to almost perfect with κ-coefficients ranging between 0.56-0.95. Three tests reached almost perfect inter-observer reliability with mean κ-coefficients > 0.81. However, intra-observer reliability was fair-to-moderate with mean κ-coefficients between 0.22-0.58. Three tests achieved moderate intra-observer reliability with κ-coefficients > 0.41. Combinations of one low- and one high-threshold test best discriminated prior back pain, but results were inconsistent for lower-extremity pain.ConclusionsOur results suggest that clinical tests of movement control of back and hip are reliable for use in screening protocols using several observers with marines. However, test-retest reproducibility was less accurate, which should be considered in follow-up evaluations. The results also indicate that combinations of low- and high-threshold tests have discriminative validity for prior back pain, but were inconclusive for lower-extremity pain.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences (hsv//eng)
Nyckelord
- Adult
- Back Pain/diagnosis/physiopathology
- Biomechanical Phenomena
- Diagnosis
- Differential
- Female
- Hip Joint/*physiopathology
- Humans
- Lumbar Vertebrae/*physiopathology
- Male
- Military Medicine/*methods
- *Military Personnel
- Motor Activity
- *Movement
- Musculoskeletal Diseases/*diagnosis/physiopathology
- Observer Variation
- Occupational Diseases/*diagnosis/physiopathology
- Pain Measurement
- *Physical Examination
- Predictive Value of Tests
- Reproducibility of Results
- Sensitivity and Specificity
- Sweden
- Young Adult
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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