Tag: mora projection

Standardization of the diagnosis of body posture using photogrammetric ethods MORA 4G HD

Mirosław Mrozkowiak

Mirosław Mrozkowiak – Standardization of the diagnosis of body posture using photogrammetric ethods MORA 4G HD. Fizjoterapia Polska 2021; 21(1); 26-40

Abstract
Introduction. Each test or diagnostic method should meet basic principles consisting of standardization, reliability, accuracy, and normalization. Study aim. An attempt to describe the standardization of body posture diagnostics using the photogrammetric method in a 7-year-old child. Material and methods. For nine consecutive days, we assessed body posture in a group of 52 children aged 7 years by means of the photogrammetric method. The girls’ average body mass was 24.46 kg and body height was 123.87 cm, and, among boys, these values were respectively: 24.56 kg and 123 cm. All children represented the slender body type. Findings. The conducted statistical analysis showed no significant differences between subsequent tests and within each feature describing body posture in all children involved in the study. Only in individual, the feature KLB: the shoulder line angle, where the right shoulder is higher, revealed a significant difference. Conclusions. Insignificant differences observed in subsequent measurements of torso features prove the accuracy and high standard of the instituted examination procedure and the significant reliability of test results obtained. There was a significant difference in the KLB parameter: the shoulder line angle is due to the cohort size rather than to the most limited inaccuracies. This significant difference may also be a consequence of the great lability of the child’s body posture and the trait itself.
Key words:
mora projection, body posture, standardization
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The evaluation of the imapct of flexion and extension angles and lateral torso flexion on the selected spine and pelvis parametres

Mirosław Mrozkowiak, Alicja Kaiser

M. Mrozkowiak, A. Kaiser – The evaluation of the imapct of flexion and extension angles and lateral torso flexion on the selected spine and pelvis parametres. Fizjoterapia Polska 2020; 20(1); 24-34

Abstract
The aim of the research was to assess the impact of flexion and extension angles and lateral torso flexion on the selected spine and pelvis parameters among the population of children aged between 7 and 15 years.
Material and methods. The research was conducted in randomly selected kindergartens and schools in the Warmia and Masuria region and the Pomerania region during six semi-annual editions. The study population consisted of 2,361 children. This allowed to record 16,608 observations of 31 parameters describing body posture using the photogrammetric method.
Results. The analysis of multiple regression with selection of the subset of the optimal set of variables included four parameters affecting the following: flexion angle and extension angle in the sagittal plane, angle of flexion to the left and to the right in the frontal plane. The set of variables included the parameters of the pelvis-spine complex.
Conclusions.
1. Spinal parameters are significantly and positively affected by the angle of torso extension in the sagittal plane and the angle of flexion to the left in the frontal plane and negatively influenced by the flexion angle in the sagittal plane.
2. The values of torso extension and flexion angles in the sagittal plane and torso flexion to the left and right in the frontal plane have a significant and positive impact on the total length of the spine (C7-S1) and the percentage of growth (DCK%), the Delta angle and the height of lumbar lordosis. The inclination angle of the lumbosacral spine, the total spinal length and the percentage of body height and the height of lumbar lordosis account for the parameters that are most dependent on the angles describing vertical orientation of the axial organ.
3. The significant negative impact on the spine parameters is remarkably lower. The most negatively dependent parameters include: lumbosacral inclination angle, the length and angle of thoracic kyphosis, and lumbar lordosis angle.
4. Hardly any influence of the analysed angles on pelvis parameters demonstrated herein requires further studies on the impact of foot parameters on the parameters of pelvis and spine.
5. The significant correlations of flexion and extension angles in the sagittal plane as well as the flexion angle in the frontal plane should be taken into consideration in the process of correcting body posture defects and errors.

Słowa kluczowe:
mora projection, spine and pelvis parameters

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