The effect of HVLA manipulation on static and dynamic postural parameters – a case study of a patient with a blocked atlanto-occipital transition

Przemysław Malich, Aleksandra Bitenc-Jasieńko, Agata Pasternak, Adrian Westfal, Helena Gronwald, Karina Kijak, Krzysztof Gronwald, Krzysztof Konior, Danuta Lietz-Kijak

Przemysław Malich, Aleksandra Bitenc-Jasieńko, Agata Pasternak, Adrian Westfal, Helena Gronwald, Karina Kijak, Krzysztof Gronwald, Krzysztof Konior, Danuta Lietz-Kijak – The effect of HVLA manipulation on static and dynamic postural parameters – a case study of a patient with a blocked atlanto-occipital transition –  Fizjoterapia Polska 2024; 24(1); 215-225

DOI: https://doi.org/10.56984/8ZG2EF8t5I

Abstract
Objective. The study aimed to assess the effects of high velocity low amplitude (HVLA) manipulations on force distribution, pressures, and balance in individuals with atlanto-occipital blockage, focusing on post-treatment improvements.
Research methods. Diagnostic tests (cervical spine compression, Spurling, de Kleyn) and pedobarography (using an EPS/R2 mat and BIOMECH STUDIO software) assessed functionality and postural parameters pre and post HVLA therapy.
Results. Initial diagnosis showed significant disturbances in force distribution, balance, and gait. Post-HVLA therapy improvements included:
1. Balanced forefoot load during standing, with a decrease in heel load percentage.
2. Improved global body pressure distribution, with a notable decrease in left-side body pressure.
3. Enhanced anteroposterior and lateral body oscillation ranges, with a reduced ratio of extreme deflection distances to deflection surface and a decreased average speed of displacements.
4. Normalization of the right foot abduction angle, with no significant change in the left foot’s visitation angle.
5. Slight improvements in foot vault index (AI) and average foot pressure during gait, with minimal changes in maximum foot pressure during gait.
Conclusions. HVLA manipulation significantly improves static balance parameters but shows minimal improvement in gait parameters. This indicates a complex relationship between atlanto-occipital blockage and postural disorders, suggesting the need for further research to explore the association between postural defects and atlanto-occipital transition blockage, as well as the impact of these blockages on postural changes.
Keywords
atlanto-occipital blockage, HVLA manipulation, postural disorders, balance improvement, pedobarography
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Postural problems of children with CP based on hemiparesis

Małgorzata Domagalska, Krzysztof Czupryna, Andrzej Szopa, Janusz Nowotny

Małgorzata Domagalska, Krzysztof Czupryna, Andrzej Szopa, Janusz Nowotny – Postural problems of children with CP based on hemiparesis. Fizjoterapia Polska 2008; 8(3); 253-259

Abstract
Background. Injury to the immature brain leads to impaired development of the antigravity mechanism. The adoption of progressively higher body positions is only possible due to compensatory mechanisms. The aim of the study was to diagnose postural disorders in children with CP with respect to the adopted compensatory mechanisms. Material and methods. Eighteen children with advanced hemiparesis, aged from 5 to 14, took part in the study. Objective posturometric measurements were taken while the patients maintained a standing position without assistance. Photogrammetric measurements was used to evaluate the spatial arrangement of individual body segments, with pressure forces on the support base being assessed simultaneously using a baroresistive platform. Results. Patients demonstrated two types of postural patterns: a progravity pattern and an antigravity pattern, which differed mainly in terms of the patient habitually overloading or unloading one of the lower limbs, changing the position of the centre of gravity projection on the support base and a characteristic relation of the shoulder and pelvic lines. Conclusions. The nature of postural disorders in CP children depends on the anti- or progravitational nature of the paresis. The development of postural disorders in CP children is predictable and should therefore be taken into account from the very beginning of rehabilitation
Key words:
cerebral palsy, compensatory antigravity mechanism, postural problems
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