@article{Papi:2019:10.1016/j.gaitpost.2018.10.031,
author = {Papi, E and Bull, A and McGregor, A},
doi = {10.1016/j.gaitpost.2018.10.031},
journal = {Gait and Posture},
pages = {277--283},
title = {Spinal segments do not move together predictably during daily activities},
url = {http://dx.doi.org/10.1016/j.gaitpost.2018.10.031},
volume = {67},
year = {2019}
}

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TY  - JOUR
AB  - Background: Considering the thoracic, lumbar spine or whole spine as rigid segments has been the norm until recent studies highlighted the importance of more detailed modelling. A better understanding of the requirement for spine multi-segmental analysis could guide planning of future studies and avoid missing clinically-relevant information.Research question: This study aims to assess the correlation between adjacent spine segments movement thereby evaluating segmental redundancy in both healthy and participants with low back pain (LBP).Methods: A 3D motion capture system tracked the movement of upper and lower thoracic and lumbar spine segments in twenty healthy and twenty participants with LBP. Tasks performed included walking, sit-to-stand and lifting, repeated 3 times. 3D angular kinematics were calculated for each spine segment. Segmental redundancy was evaluated through cross-correlation (Rxy) analysis of kinematics time series and correlation of range of motion (RROM) of adjacent spine segments.Results: The upper/lower lumbar pairing showed weak correlations in the LBP group for all tasks and anatomical planes (Rxyrange:0.02–0.36) but moderate and strong correlations during walking (Rxy _frontalplane:0.4) and lifting (Rxy _sagittalplane:0.64) in the healthy group. The lower thoracic/upper lumbar pairing had weak correlations for both groups during lifting and sit-to-stand in the frontal plane and for walking (Rxy:0.01) in the sagittal plane only. The upper/lower thoracic pairing had moderate correlations during sit-to-stand in sagittal and transverse plane in patients with LBP (Rxy _sagittalplane:0.41; Rxy _transverse plane:−0.42) but weak in healthy (Rxy _sagittalplane:0.23; Rxy _transverseplane:−0.34); the contrary was observed during lifting.The majority of RROM values (55/72) demonstrated weak correlations.Significance:The results suggest that multi-segmental analysis of the spine is necessary if spine movement characteristics are to be
AU  - Papi,E
AU  - Bull,A
AU  - McGregor,A
DO  - 10.1016/j.gaitpost.2018.10.031
EP  - 283
PY  - 2019///
SN  - 0966-6362
SP  - 277
TI  - Spinal segments do not move together predictably during daily activities
T2  - Gait and Posture
UR  - http://dx.doi.org/10.1016/j.gaitpost.2018.10.031
UR  - http://hdl.handle.net/10044/1/65796
VL  - 67
ER  - 

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