BMC Musculoskeletal Disorders

Table 3 Correlation analysis of dynamic spinal parameters and muscular activity by iEMG

From: The relationship between spinal alignment and activity of paravertebral muscle during gait in patients with adult spinal deformity: a retrospective study

	SpSVA		SpSA		SpPSA
First Trial	Rt	Lt	Rt	Lt	Rt	Lt
Cervical PVM	0.32	0.41	0.38	0.50	0.47	0.54
Trapezius	-0.06	-0.18	0.00	-0.21	0.14	-0.08
Thoracic PVM	0.39	0.49	0.46	0.59	0.53	0.65
Lumbar PVM	0.21	0.23	0.15	0.18	0.19	0.21
Gmax	0.53	0.66	0.45	0.64	0.34	0.61
Quadriceps	0.49	0.40	0.53	0.45	0.53	0.47
Half Trial
Cervical PVM	0.34	0.44	0.40	0.52	0.47	0.54
Trapezius	-0.13	-0.19	-0.10	-0.23	0.10	-0.09
Thoracic PVM	0.45	0.56	0.51	0.64	0.58	0.66
Lumbar PVM	0.23	0.22	0.17	0.18	0.23	0.20
Gmax	0.54	0.65	0.50	0.65	0.39	0.64
Quadriceps	0.52	0.45	0.55	0.49	0.52	0.49
Last Trial
Cervical PVM	0.40	0.38	0.42	0.43	0.44	0.45
Trapezius	-0.10	-0.27	-0.08	-0.30	0.00	-0.20
Thoracic PVM	0.43	0.52	0.46	0.58	0.51	0.61
Lumbar PVM	0.17	0.21	0.09	0.13	0.10	0.02
Gmax	0.56	0.69	0.50	0.65	0.35	0.54
Quadriceps	0.40	0.43	0.44	0.47	0.32	0.35

Muscular activity shown by integrated electromyography (iEMG), which is log transformed for normalized deviation. Significant correlations shown in bold (P < 0.05)
SpSVA Spinal sagittal vertical axis distance, SpSA Spinal sagittal angle, SpPSA Spinal-pelvic angle, Cervical PVM cervical paravertebral muscle, Thoracic PVM thoracic paravertebral muscle, Lumbar PVM lumbar paravertebral muscle, Gmax gluteus maximus, F first trial, H half trial, L last trial

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ISSN: 1471-2474

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