Biomechanics of compensatory mechanisms in spinal-pelvic complex

Ivanov, D.; Hominets, V V; Kirillova, I. V.; Kossovich, Leonid Yu.; Kudyashev, A.L.; Teremshonok, A. V.

doi:10.1088/1742-6596/991/1/012036

Cited by 3 publications

(2 citation statements)

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“…Recent works on the study of the sagittal profile in patients with hip-spine syndrome show various variants of static deformities in such patients. Foreign and domestic authors divided patients of this category into two groups: patients with excessive pelvic anteversion and lumbar hyperlordosis, and patients with pelvic retroversion and lumbar hypolordosis [17,19,21,22,53,54]. The data of our study coincide with the findings of previous studies, and also indicate the relationship of the compensatory mechanism of the sagittal imbalance with the prevailing pathology, "spine" or "hip" in the HJ-LSS complex.…”

Section: Discussionsupporting

confidence: 85%

“…Position of the pelvis is a key in determining the sagittal balance of the spine. It should be remembered that most of the compensatory abilities in imbalance are possible due to a change in the position of the pelvis [14,22,[49][50][51][52][53]. The main parameter of the pelvis is PI (deviation of the pelvis from the vertical axis), due to the fact that it is an unchangeable morphological and individual parameter for each person.…”

Section: Discussionmentioning

confidence: 99%

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Hip-spine syndrome: the problem from the biomechanical point of view

Kotelnikov¹,

Ryabykh²,

Burtsev³

2019

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Relevance Compensatory mechanisms of the lumbar spine-pelvis complex in concurrent degenerative changes remain a poorly understood problem. Numerous publications report data either from the point of view of spinal pathology or from the point of hip joint damage. Objective To evaluate changes in the parameters of the spine-pelvis sagittal balance in patients with the hip-spine syndrome. Materials and methods Two groups of patients with hip-spine syndrome were analysed: 1) "Hipspine" group (n = 54) and 2) "Spine-hip" group (n = 66). All patients underwent radiographic examination. Radiographs of the spine with the capture of the head and hip joints in the anteroposterior and lateral projections in the standing position were taken. Results In the first group, the position of the pelvis was within normal anteversion or pelvic hyperanteversion. In the second group, pelvic retroversion was revealed; normal position of the pelvis (without its compensatory deviation) was present only in several cases. Discussion Regularities in the compensatory mechanisms in the hip-spine syndrome variants have been identified. However, cases with pelvic retroversion require further study and assessment of the balance after surgery. Conclusion Compensatory mechanisms in hip-spine syndrome depend on the dominance of the pathological process (joints or spine), which must be considered in evaluation of the parameters of the sagittal balance in these patients.

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Section: Discussionsupporting

confidence: 85%