Abstract
BackgroundIndividuals afflicted with nonspecific chronic low back pain (CLBP) exhibit altered fundamental movement patterns. However, there is a lack of validated analysis tools. The present study aimed to elucidate the measurement properties of a functional movement analysis (FMA) in patients with CLBP.MethodsIn this validation (cross-sectional) study, patients with CLPB completed the FMA. The FMA consists of 11 standardised motor tasks mimicking activities of daily living. Four investigators (two experts and two novices) evaluated each item using an ordinal scale (0–5 points, one live and three video ratings). Interrater reliability was computed for the total score (maximum 55 points) using intra class correlation and for the individual items using Cohen’s weighted Kappa and free-marginal Kappa. Validity was estimated by calculating Spearman’s Rho correlations to compare the results of the movement analysis and the participants’ self-reported disability, and fear of movement.ResultsTwenty-one participants (12 females, 9 males; 42.7 ± 14.3 years) were included. The reliability analysis for the sum score yielded ICC values between .92 and.94 (p < .05). The classification of individual scores are categorised ‘slight’ to ‘almost perfect’ agreement (.10–.91). No significant associations between disability or fear of movement with the overall score were found (p > .05). The study population showed comparably low pain levels, low scores of kinesiophobia and disability.ConclusionThe functional movement analysis displays excellent reliability for both, live and video rating. Due to the low levels of disability and pain in the present sample, further research is necessary to conclusively judge validity.
Highlights
Individuals afflicted with nonspecific chronic low back pain (CLBP) exhibit altered fundamental movement patterns
Unlike the pain symptoms, neuromuscular contribution to CLBP may be assessed objectively. While it is unclear whether they represent another potential cause or a consequence of the disorder, aberrations of fundamental movement patterns have been observed in patients with CLBP [7, 8]
Our results show excellent values for interrater and intrarater reliability for the functional movement analysis
Summary
Individuals afflicted with nonspecific chronic low back pain (CLBP) exhibit altered fundamental movement patterns. Neuromuscular factors (i.e. deficits or impairments) are named as risk. While it is unclear whether they represent another potential (neuromuscular) cause or a consequence of the disorder, aberrations of fundamental movement patterns have been observed in patients with CLBP [7, 8]. All these reports [7, 8] focused on one particular joint or movement only.
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