scholarly journals BIOMECHANICS OF THE HUMAN SPINE

2017 ◽  
Vol 3 (1) ◽  
pp. 8-12
Author(s):  
Robert Karpiński ◽  
Łukasz Jaworski
Keyword(s):  
Intervertebral Discs ◽  
Body Posture ◽  
Human Spine

The paper presents biomechanics of the human spine. The vertebrae of the spine are described, including basic differentiation between vertebrae depending on theirs placement in the spine. The intervertebral discs are depicted. Curvatures of the spine are presented, followed by the basic biomechanics, including a movability of the spine and an influence of body posture on the spine.

scholarly journals The Shape of Anterior-Posterior Curvatures of the Spine in Athletes Practising Selected Sports

2011 ◽  
Vol 18 (2) ◽  
pp. 112-116 ◽  
Author(s):  
Małgorzata Lichota ◽  
Magdalena Plandowska ◽  
Patrycjusz Mil
Keyword(s):  
Lumbar Lordosis ◽  
Thoracic Kyphosis ◽  
Intervertebral Discs ◽  
Body Posture ◽  
Thoracic Segment ◽  
Type Iii ◽  
Inclination Angles ◽  
Sacral Segment ◽  
Upper Thoracic ◽  
Anterior Posterior

The Shape of Anterior-Posterior Curvatures of the Spine in Athletes Practising Selected SportsIntroduction. Practising sport at the professional level brings about considerable spinal loads. As a result of an intensive effort, the adaptation abilities of vertebrae, intervertebral discs, ligaments and muscles decrease, which, in turn, influences the size of physiological curvatures of the spine and at the same time the quality of body posture. The aim of the work was to evaluate the shape of anterior-posterior curvatures of the spine and to define the frequency of occurrence of body posture types in athletes practising selected sports. Material and methods. The research was conducted among 46 athletes from the following sections: athletics, handball, volleyball and taekwondo. Inclination angles of the curvatures of the spine were defined with the use of a posturometer: α angle (upper-thoracic segment), β angle (thoracic-lumbar segment), γ angle (lumbar-sacral segment) as well as the level of thoracic kyphosis (χ) and lumbar lordosis (λ). Every athlete's body posture type was defined. Results. It was revealed that in the shape of anterior-posterior curvatures of the spine in the examined athletes the level of thoracic kyphosis was higher than the level of lumbar lordosis. In all the athletes the biggest values were observed in the inclination of the upper-thoracic segment, whereas the lowest ones (except for taekwondo competitors) in the inclination of the lumbar-sacral segment. The most common types of body posture were kyphotic and balanced types. No type-III kyphosis and type-III lordosis were observed. Athletes practising selected sports generally had a proper body posture. An improper posture, especially a wrong posture, was observed in few athletes. Conclusion. The specificity of movements performed during the training applied in a particular sport may influence the shape of anterior-posterior curvatures of the spine and thus the type of body posture.

scholarly journals Simulation of the Lumbar Spine as a Multi-Module Paralel Manipulator

2011 ◽  
Vol 8 (3-4) ◽  
pp. 399-410 ◽  
Author(s):  
M. Ceccarelli ◽  
R. C. Saltarelo ◽  
G. Carbone ◽  
J. C. M. Carvalho
Keyword(s):  
Lumbar Spine ◽  
Mechanical Model ◽  
Parallel Manipulators ◽  
Intervertebral Discs ◽  
Spring Stiffness ◽  
Human Spine ◽  
Lumbar Segment ◽  
Reaction Forces ◽  
Simulation Results ◽  
Spine Structure

In this paper a simulation of movements of lumbar spine is proposed by using a model with serially connected parallel manipulators. An analysis has been computed for the human spine structure and its movements, in order to simulate the motions and forces that actuate a spine specifically in the lumbar segment. A mechanical model has been designed with available identified parameters of human spine, by using characteristics of parallel manipulators and spring stiffness. This model is suitable to properly simulate the trunk behavior at macroscopic level but also the smooth behavior of intervertebral discs and actuating motions of muscles and tendons. Simulation results for spring actions and joints reaction forces can give an evaluation of the forces that intervertebral discs supports during motions of a real spine.

Degenerating and Painful Human Intervertebral Discs Release Pronociceptive Factors and Increase Neurite Sprouting and CGRP via Nerve Growth Factor

2014 ◽  
Vol 4 (1_suppl) ◽  
pp. s-0034-1376539-s-0034-1376539
Author(s):  
E. Krock ◽  
D. H. Rosenzweig ◽  
A. J. Chabot-Dore ◽  
P. Jarzem ◽  
M. H. Weber ◽  
...  
Keyword(s):  
Nerve Growth Factor ◽  
Growth Factor ◽  
Intervertebral Discs ◽  
Nerve Growth

Melatonin: Protection of the Intervertebral Disc

2019 ◽  
Vol 2 (3) ◽  
pp. 1-9
Author(s):  
Russel J Reiter ◽  
Sergio Rosales-Corral ◽  
Ramaswamy Sharma
Keyword(s):  
Intervertebral Disc ◽  
Molecular Mechanisms ◽  
Intervertebral Discs ◽  
Lumbar Pain ◽  
Low Back ◽  
Work Time ◽  
Protective Actions ◽  
Aging Populations ◽  
Definition Of ◽  
Endogenous Melatonin

     Low back pain (lumbar pain) due to injury of or damage to intervertebral discs is common in all societies.  The loss of work time as a result of this problem is massive.  Recent research suggests that melatonin may prevent or counteract intervertebral disc damage. This may be especially relevant in aging populations given that endogenous melatonin, in most individuals, dwindles with increasing age. The publications related to melatonin and its protection of the intervertebral disc are reviewed herein, including definition of some molecular mechanisms that account for melatonin’s protective actions. 

Group exercises aimed at poor body posture correction assisted by humanoid robot - A case study

2019 ◽  
Author(s):  
Aleksandra Mikov ◽  
Dragana Vukliš ◽  
Branislav Borovac ◽  
Milan Gnjatović ◽  
Jovica Tasevski ◽  
...  
Keyword(s):  
Humanoid Robot ◽  
Body Posture

A Hierarchical Approach to Finite Element Modeling of the Human Spine

2004 ◽  
Vol 14 (4) ◽  
pp. 12
Author(s):  
Alistair Templeton ◽  
Michael A. K. Liebschner
Keyword(s):  
Finite Element ◽  
Finite Element Modeling ◽  
Hierarchical Approach ◽  
Element Modeling ◽  
Human Spine

Clinical and Radiographic Correlation (According to CT) in Patients with Degenerative Lumbar Spinal Stenosis

2017 ◽  
pp. 124-130 ◽  
Author(s):  
S. G. Mlyavykh ◽  
A. Y. Aleynik ◽  
A. E. Bokov ◽  
M. V. Rasteryaeva ◽  
M. A. Kutlaeva
Keyword(s):  
Ct Scan ◽  
Spinal Canal ◽  
Clinical Manifestations ◽  
Intervertebral Discs ◽  
Morphometric Parameters ◽  
Neurogenic Claudication ◽  
Clinical Group ◽  
Lumbar Stenosis ◽  
Degenerative Lumbar Spinal Stenosis ◽  
Lumbar Spinal

Сomputed tomography (CT) is widely used in the diagnosis of  degenerative pathology of the lumbar spine, but the relationship  between clinical manifestations of lumbar stenosis and its anatomical prerequisites has not been sufficiently studied to date.The objective: to determine the significance of the morphometric  parameters of lumbar stenosis according to CT scans and to  establish their relationship with the prevailing symptoms of the disease.Material and methods. Seventy-five consecutive patients with  clinically significant lumbar stenosis who underwent CT scan before  surgery were enrolled in this study. The average values of thirteen  different morphometric parameters were calculated at LIII–SI levels of the intervertebral discs and of the pedicels in the axial and sagittal views. The possibility of classification of clinical observations and the correlation of morphometric parameters with the clinical forms of lumbar stenosis were investigated using discriminant and logistic regression analysis. Results. CT scan with high probability allocates patients with  predominant symptoms of neurogenic claudication or bilateral  radiculopathy. The most significant morphometric predictors of this  clinical group are the depth of the lateral recesses and the cross-sectional area of the spinal canal.Conclusion. CT scan significantly expands the informative value of  magnetic resonance imaging and can be used in planning the  decompressive stage of the surgery intervention in patients with lumbar spinal canal stenosis.

EXPERIENCE OF CONSERVATIVE TREATMENT OF INTERVERTEBRAL DISC HERNIAS WITH CARIFLEX GEL AND CREAM IN AMBULATORY CONDITIONS

2020 ◽  
Vol 3 (1) ◽  
pp. 6-8
Author(s):  
Zufar ADAMBAEV ◽  
◽  
Ibodulla KILICHEV ◽  
Tuygunoy XODJANOVA
Keyword(s):  
Comparative Analysis ◽  
Conservative Treatment ◽  
Intervertebral Disc ◽  
Range Of Motion ◽  
Comparative Evaluation ◽  
Intervertebral Discs ◽  
Neurological Manifestations ◽  
Complex Therapy

A complex therapy of patients with degenerative-dystrophic diseases of the spine with herniated intervertebral discs with neurological manifestations was carried out with the addition of phonophoresis Kariflex gel followed by segmental massage with Kariflex cream. The comparative evaluation of the method was carried out in 89 patients. Comparative analysis revealed the reliable efficiency of the method used. Against the background of the proposed therapy, there was a significant decrease in pain and muscle-tonic syndromes, an increase in the range of motion in the spine

Sign in / Sign up

Export Citation Format

Share Document