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Abstract Background Core training is the foundation of physical exercise. The activation of the lateral abdominal wall (LAW) muscles in the core muscles, particularly the transversus abdominal (TrA) muscles, has a stabilizing effect on the chest and abdomen. Therefore, we need to focus on the training effect of the TrA. There are many ways to measure the LAW. Ultrasound can assess the effect of training in real time and intuitively. Therefore, we intend to evaluate the activation of the LAW in different types of core training using ultrasound, to determine the best movements that can activate the TrA and train the core muscles. Methods 22 healthy subjects (male 10, female 12, age 22.82 ± 0.98, BMI 20.78 ± 2.27) were included. The subjects were given the following instructions to perform breathing exercises at different positions: calm breathing and deep breathing at 0° hip flexion and 0° knee flexion; calm breathing, deep breathing, abdominal crunches and ball crunches at 45° hip flexion and 90° knee flexion; and calm breathing, deep breathing, abdominal crunches and ball crunches at 90° hip flexion and 90° knee flexion. The muscle thicknesses of the bilateral transversus abdominis (TrA), internal oblique (IO), external oblique (EO), and LAW muscles were measured using ultrasonography at the end of expiration during the above movements. Results (1) The action with the greatest contraction ratio of the TrA was deep exhalation, which was significantly greater than crunch and ball crunch; (2) During deep exhalation, the TrA had the greatest contraction ratio, significantly greater than the IO and EO. (3) The TrA was thinnest during deep exhalation at 90°, followed by 45° and 0°. Conclusion In healthy young people, deep expiration with 90° hip flexion and 90° knee flexion was the optimal action for activating the LAW, especially the TrA.

Background: Core training is the foundation of physical exercise. The activation of the lateral abdominal wall (LAW) muscles in the core muscles, particularly the transversus abdominal (TrA) muscles, has a stabilizing effect on the chest and abdomen. Therefore, we need to focus on the training effect of the TrA. There are many ways to measure the LAW. Ultrasound can assess the effect of training in real time and intuitively. Therefore, we intend to evaluate the activation of the LAW in different types of core training using ultrasound, to determine the best movements that can activate the TrA and train the core muscles. Methods: 22 healthy subjects (male 10, female 12, age 22.82 ± 0.98, BMI 20.78 ± 2.27) were included. The subjects were given the following instructions to perform breathing exercises at different positions: calm breathing and deep breathing at 0° hip flexion and 0° knee flexion; calm breathing, deep breathing, abdominal crunches and ball crunches at 45° hip flexion and 90° knee flexion; and calm breathing, deep breathing, abdominal crunches and ball crunches at 90° hip flexion and 90° knee flexion. The muscle thicknesses of the bilateral transversus abdominis (TrA), internal oblique (IO), external oblique (EO), and LAW muscles were measured using ultrasonography at the end of expiration during the above movements. Results: (1) The action with the greatest contraction ratio of the TrA was deep exhalation, which was significantly greater than crunch and ball crunch; (2) During deep exhalation, the TrA had the greatest contraction ratio, significantly greater than the IO and EO. (3) The TrA was thinnest during deep exhalation at 90°, followed by 45° and 0°. Conclusion: In healthy young people, deep expiration with 90° hip flexion and 90° knee flexion was the optimal action for activating the LAW, especially the TrA. [ABSTRACT FROM AUTHOR]

IntroductionThe pandemic caused by COVID-19 has accentuated the debate on the need for vaccination and called into question the need to increasingly bring this topic, which is widely disseminated in the scientific world, to school classes at all schooling phases. In this scenario, science education plays a key role in disseminating knowledge about the importance of vaccination and the impacting factors of a lack of immunization. In order to better understand this movement, it is necessary to understand the representations of individuals as a way of broadening paths to change this scenario.ObjectivesThis study aimed to identify and analyse Brazilian primary school children’s social representations of vaccination.MethodsUsing the free word recall technique, the term “vaccination” was applied to evoke children’s ideas. The analysis of co-occurrences of evocations permitted us to identify their representations’ centrality.ResultsThe results showed that the centralizing elements guiding these children’s social representations were “needle,” “pain,” and “health center.”ConclusionThese results show the need to prevent the phobia of needles that arises in the first vaccination experiences and reinforce the importance of discussing the subject of vaccination in science teaching. This issue is even more critical, given the spread and impact of “fake news” on social media. There is an increasing need to emphasize the importance of vaccination, not only as a factor of individual protection but also as a commitment to collective health. This study also showed that the school, as usual, must become an ally in tackling this reality with children and their families.

Forensic psychological expertise is at the beginning of its development and establishment, being used rarely in criminal/civil proceedings. The “status” of forensic psychological expertise is undefined, mainly because of the lack of specialists, as well as because psychologists face negative and skeptical attitudes from legal workers. In this context, the purpose of this research is to reveal the social representations of forensic psychological expertise among specialists working in the legal field. The given research has involved 417 specialists in the legal field (officers of criminal investigation, lawyers, attorneys), aged between 24-62, men and women, with different professional experience in the legal field, who have completed a questionnaire (elaborated by the author). The analysis of the results emphasized the knowledge, attitudes and beliefs of specialists regarding the forensic psychological expertise integrated in the structure and silent zone of the social representation.

The Siberian high-pressure system is one of the components of atmospheric circulation affecting the climate of Iran, especially in the cold season of the year. In this research, the place of the initial formation of this system and its synoptic features have been investigated. For this purpose, the lower tropospheric levels of atmospheric data for the three months December to February data from NCEP / NCAR were received for 22 years. Systems with thermal characteristics were isolated. Then, the central core of this system was determined daily for all months and their geographical coordinates were calculated. The results show that in the vast majority of the months from December to February, the main Siberian high-pressure core is located in the lower atmosphere of the Altai Mountains. The study also found that more than half of the days of Siberian high-pressure had two central nuclei. Thus, contrary to popular belief, the Siberian high-pressure core forms not on the low Siberian plains but the high altitudes of the Altai and Sayan Mountains. Adaptation of isothermal, isobaric, and height maps also showed that the core of the cold in the cold three months was generally on the north or northeast of the Siberian desert. However, the high-pressure core was located on these two high mountains for almost a day. Therefore, in addition to cold, the topographic factor (northwest-southeast extension) plays a very important role in the formation of the high-pressure core. According to the general results of research, this high pressure, directly or indirectly, is the cause of colds and cold waves in the cold period of the year, as well as early and late waves in the country.

The research of social representation allow as to shape the social reality of a variety of phenomena, values, objects, etc., and everything around us through the collectiveindividualistic view of society members. At present time, the topic of war has a primary actuality worldwide taking into consideration military actions that take place in Ukraine. The research was started before the military actions initiated by Russian Federation on Ukrainian territory, and continued after – February-April 2022. We would like to mention that the given situation marked as well the results of our research, taking into account the fact that our main topic is military field. In this order of ideas, we researched the social representation of military profession and social representation of military actions. The subjects involved in research are employers with active military status.

INTRODUCTION: During the last two decades, advances in molecular analysis techniques, as well as in gene therapy, have generated changes in the way neuromuscular diseases are approached. Congenital myopathies (CM) are a clinically and genetically heterogeneous group of diseases that primarily affect the muscle fiber, especially the contractile apparatus and the different components that condition its normal functioning. CASE: We present the case of a female patient 9 years and 3 months, with orthopedic alterations since she was 2 months old, hip dysplasia, clubfoot, thoracolumbar kyphoscoliosis with genetic study with mutation of the RYR1 gene, compatible with central core myopathy. CONCLUSIONS: The early diagnosis of this pathology allows to improve the quality of life of the patient, as well as an adequate genetic advice to the parents. The objective of the description is to know the main diagnostic manifestations and how to carry out a diagnostic approach. [ABSTRACT FROM AUTHOR]

Introduction. Swimmer’s shoulder syndrome (SSS) is the most common overuse injury affecting swimmers and surfers. Core stability is crucial to prevent SSS. The study investigated the effect of isokinetic core strength of trunk flexors and extensors and core endurance on shoulder stability in adolescent swimmers with SSS. Methods. The study involved 30 swimmers, assigned to 2 equal groups. The experimental group (A) suffered from SSS; the control group (B) included healthy swimmers with no history of shoulder pain or instability. The mean values of age, body mass, and height were 12.86 ± 1.59 years, 41.73 ± 3.99 kg, and 142.0 ± 3.96 cm, respectively, in group A and 13.2 ± 1.56 years, 42.66 ± 3.9 kg, and 142.26 ± 4.39 cm, respectively, in group B. Isokinetic peak torque (PT) for trunk flexors and extensors was measured with a Biodex isokinetic dynamometer. Four functional tests assessed core endurance: side bridge endurance test, static back endurance test, ball bridge test, and unilateral bridge test. Results. There was a statistically significant between-group difference in mean PT of trunk extension at both angular velocities: 60°/s, 180°/s. No significant differences were detected in mean PT of trunk flexion. All functional core stability tests revealed a greater endurance time in group B. Conclusions. Weak core inhibits shoulder muscles, which is a major risk factor for shoulder instability and SSS. It is crucial to incorporate core stability training into the rehabilitation plan to provide proximal stability for obtaining safe and proper distal mobility across the shoulder joint. [ABSTRACT FROM AUTHOR]

Abstract: Previous research on bracing members show that the ductility of bracing members is compromised due to the buckling phenomena. Therefore, many researchers have tried to use special considerations to increase the fracture life of bracing members. Some of these recommendations such as increasing the slenderness ratio, using lower width to thickness ratio, increasing the out-of-plane stiffness of middle connection to increase the fracture life of the bracing members can be used in seismic upgrading of bracing members. In this paper, the buckling behavior of a special type of concentrically braced frame termed as yielding damped braced core is investigated for different percentage of central core. Empirical studies shows that separation of X-braces by central frame, influence the buckling behavior of the system and leads to occurrence of buckling in second mode shape in accordance with two half-sine wave. The theoretical studies shows that the buckling strength of the system increases in proportion to increase in central core rigidity. Using more flexible central core, results in increase the possibility of instability and vice versa. Hence, to enhance the buckling behavior of the system, it is strongly recommended to use a central core with proper rigidity.

This article aims at studying a possible articulation between the theory of the central core of social representations and the theory of the organizing principles. The confrontation of the results of three research undertaken in connection with the social representation of the studies (two already published and one original) in three distinct populations indicates deep differences in terms of core between these populations but an important transversality of the organizing principles of the standpoints. The assumption thus is put forth that the organizing principles constitute the common base of diversified standpoints according to the social position of the groups and that, among these standpoints, some are the object of strong consensus inside the groups and thus constitute the central system of their representation. This assumption implies that common organizing principles could report different representations in terms of central system.

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Basándose en la teoría del núcleo central (Abric, 1976, 1987), el objetivo del estudio fue analizar la representación social que jóvenes en formación profesional tienen sobre el desempleo masculino y femenino. En el estudio participaron 231 jóvenes de 3 centros de formación tecnológica elegidos intencionadamente del Departamento de los Pirineos Atlánticos en Francia, los que respondieron a un cuestionario con preguntas de evocación y de refutación. Los resultados del análisis lexicográfico y categorial mostraron las especificidades del desempleo femenino, organizado en relación a la dimensión familiar, y las del masculino, organizado en relación a la dimensión individual. Los porcentajes de refutación, por su parte, mostraron que los elementos centrales del desempleo femenino y del masculino son los mismos. Estos resultados evidencian la organización en base al género de la representación social del desempleo, en la que sigue vigente la asignación tradicional de los roles de género.Based on the theory of the central core (Abric, 1976, 1987), the aim of the study was to analyze the social representation of male and female unemployment held by young people with vocational training studies. In the study 231 students from 3 purposively chosen technology training centers in the Pyrénées-Atlantiques Department in France completed a questionnaire containing evocation and refutation items. The results of the lexicographic and categorical analysis showed the specificities of female unemployment, organized along the family dimension and of male unemployment, organized around the individual dimension. In contrast, percentages related to the refutation questionnaires showed the same core elements in both female and male unemployment. These results suggest that the social representation of unemployment is differently organized as a function of gender, thus implying that the traditional views of gender roles still persist.

Este artículo describe la representación social de la vida cotidiana de jóvenes entre 20 y 30 años, de distintos niveles socio-económicos, combinando un abordaje procesual y otro estructural. Se presentan resultados preliminares sobre la estructura -núcleo central y elementos periféricos- de la representación social de vida cotidiana. Se administró un cuestionario de datos sociodemográficos construido ad hoc, la evocación jerarquizada de palabras y una escala Likert sobre vida cotidiana, realizada a partir de las entrevistas en profundidad de la primera etapa de la investigación. Las asociaciones libres jerarquizadas se analizaron a través del software SPSS 11.5. Los resultados indican la centralidad de la representación social de la familia y de los vínculos afectivos cercanos. Las actividades denotan la existencia de contradicciones entre diferentes niveles sociales, teniendo mayor dispersión las calificaciones individuales con asociaciones semánticamente opuestas que pueden responder a la presencia de grupos minoritarios y representaciones sociales polémicas.This article describes everyday life social representations of young people, ages between 20 and 30 years old, of different social-economic levels, combining a processual and a structural approach. Preliminary results about the identification of the structure - the central core and the periphery elements - of everyday life social representation are presented. A sociodemographic data questionnaire constructed ad hoc, an hierarchical words evocation and a Likert scale on everyday life, constructed starting from depth interviews fulfilled in the first research stage, were administered. Free hierarchical associations were analyzed with the SPSS 11.5 software. The results show the centrality of family and near affective bonds social representations. The activities indicate the existence of contradictions between different social levels. There is a higher dispersion of individual judgments with opposite semantic associations which show the presence of minority groups and polemic social representations.

Neste estudo, a depressão pós-parto foi abordada sob a ótica psicossociológica, objetivando apreender e descrever a estrutura central e periférica das representações sociais de mães puérperas. Foram aplicados a técnica de associação livre de palavras, um questionário biodemográfico e a Escala de Edinburg, em 84 participantes de baixa renda e usuárias de um serviço público de saúde. Observou-se uma incidência de 33% de mães puérperas com sintomatologia de depressão. Para o estímulo indutor "depressão", emergiram, no núcleo central, os elementos de tristeza e aperreio, e na zona periférica evidenciaram-se as representações sociais que se alternaram entre paraíso e padecimento. A condição de ser mãe e ter filho, de acordo com o núcleo central, causa contentamento, gera alegria e prazer e, simultaneamente, está associada ao sofrimento psíquico, à representação social da depressão pós-parto. A constatação desses elementos antagônicos presentes nas representações sociais sinaliza para a necessidade de estudos mais aprofundados.In this study, the postpartum depression was dealt with under the psychosociologic view, aiming to learn and describe the central and peripheral structure of postnatal mothers' social representations. To eighty-four participants of low income and users of health public service were applied the free words association, a bio-demografic questionnaire and the Edinburg's Scale. An incidency of 33% of postnatal mothers with depression symptomatology was noticed. For the inductor stimulus "depression", emerged, on the central core, the elements of sadness and harassment, and on the peripheral zone became evident the social representations that changed between paradise and suffering. The condition of being mother and have child, in accordance with the central core, causes contentment, produces happiness and pleasure and, simultaneously, is associated to the psychic suffering, the social representation of postpartum depression. The verification of these antagonistic elements present on the social representations signalize for the necessity of more deepen studies.

The essence of architectural design rests upon in kind of manipulation between dualism central core and external envelope of any architectural composition; there are some compositions that are concerned with the external envelope,while other compositions the outer shell is result of the interned division. Besides there are other compositions that blend the central core and the external envelope in a harmonious dialogue. This combination between central core and the external envelope touch this diversity in houses of Biskra city through different periods of time to create a comfortable thermal environment. The dry areas, which are distributed on a large scale over the space of Algeria, characterized by climate is hot and dry. We found Morphological diversity in houses of this region that reflects primarily adaptation to climatic conditions, social and economic through different periods. In our research, we depend on the experimental method through digital simulation technology program ECOTECT to calculate data, for various thermal models. in addition in the selection of network studied models we adopted to the variables morphology of both core and the external envelope of the dwelling which are: 1) the oceanic layer, 2) type of the core 3) type of the external envelope. Then we calculated the temperature of various houses layers to make comparisons between various layers and various models. The results of this study came to show the laws that control heat in the atmosphere and that is affected by alphabet elements of local architecture of Biskra region. These laws allow the architect to manipulate to these elements to search for improved thermal yield of the building and control of energy consumption in the range of what is available to him. [ABSTRACT FROM AUTHOR]

A "Abordagem Estrutural" das representações sociais define uma representação social como uma organização, que é atravessada por diferentes dimensões e não como um conjunto de eventos e processos puramente cognitivos. No estado atual da teoria, propomos o princípio que a dimensão afetiva observa uma relação "não-aleatória" com o núcleo central. Dois estudos anteriores são brevemente descritos, assim como os resultados acerca de três representações, ("menino de rua", "estudos superiores"e "família"), com o intuito de apresentar uma perspectiva de estudo que parece indicar que as relações entre elementos "semânticos" e "afetivamente carregados" não são aleatórias. Os dados corroboram a tese de que o Núcleo Central das representações organiza igualmente a distribuição das cargas afetivas no conjunto da representação social. As pesquisas, aqui apresentadas, correspondem a uma primeira aproximação exploratória das relações existentes entre a estrutura e a impregnação afetiva dos elementos de uma representação.The "Structural Approach" of social representations defines a social representation as an organization which comprises different dimensions and not as a group of purely cognitive events and processes. In the present state of theory, we propose the principle that the affective dimension maintains a random relationship with the Central Core. Two previous studies are briefly described as well as the results concerning three representations ("street children", "higher education" and "family") in order to present a perspective that seems to indicate that the relationships between "semantic" and "affectively charged" elements are random. The data seem to confirm the principle that the Central Core of social representations equally organizes the distribution of the affective charges on the social representation as a whole. The studies presented here correspond to a first exploratory approach of the relationships between the structure of a representation and the affective impregnation of representation elements.

The "Structural Approach" of social representations defines a social representation as an organization which comprises different dimensions and not as a group of purely cognitive events and processes. In the present state of theory, we propose the principle that the affective dimension maintains a random relationship with the Central Core. Two previous studies are briefly described as well as the results concerning three representations ("street children", "higher education" and "family") in order to present a perspective that seems to indicate that the relationships between "semantic" and "affectively charged" elements are random. The data seem to confirm the principle that the Central Core of social representations equally organizes the distribution of the affective charges on the social representation as a whole. The studies presented here correspond to a first exploratory approach of the relationships between the structure of a representation and the affective impregnation of representation elements.

Based on the theories of social representation (SC) and Central Core (CC), a structural study was undertaken regarding the neologism hanseníase (Hansen's disease), the term adopted by Brazil's Ministry of Health in the 1970s. Carried out during 2001, this study interviewed eight hundred housewives residing in the Rio de Janeiro and Duque de Caxias municipalities. It found that Hansen's disease is part of a process of modernization of common thinking, anchored in the traditional representation of leprosy. This finding is understandable from the perspective that the central structure of a social representation has a historical determination, so short- and middle-term changes are not to be expected. Furthermore, there has been no ongoing investment in social marketing to make the new terminology more widely known. The authors discuss the relation between social representation and the concept of the history of mentalities.

Copyright of Pasos: Revista de Turismo y Patrimonio Cultural is the property of Universidad de La Laguna, Instituto Universitario de Ciencias Politicas y Sociales and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Based on the theory of the central core (Abric, 1976, 1987), the aim of the study was to analyze the social representation of male and female unemployment held by young people with vocational training studies. In the study 231 students from 3 purposively chosen technology training centers in the Pyrénées-Atlantiques Department in France completed a questionnaire containing evocation and refutation items. The results of the lexicographic and categorical analysis showed the specificities of female unemployment, organized along the family dimension and of male unemployment, organized around the individual dimension. In contrast, percentages related to the refutation questionnaires showed the same core elements in both female and male unemployment. These results suggest that the social representation of unemployment is differently organized as a function of gender, thus implying that the traditional views of gender roles still persist. [ABSTRACT FROM AUTHOR]

Copyright of Revista Interamericana de Psicología is the property of Sociedad Interamericana de Psicologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

‟Structural approach to social representations„ reacts to the article published in previous issue of E-psychologie ‟Theory of social representations„ (Novák, 2009). Based on knowledge acquired during lectures and workshops of ‟EuroPhd on Social Representation and Communication„ in Rome (http://www.europhd.eu) and relevant literature the author provides a different perspective on the phenomenon of social representations. Furthermore, the structural approach, which was mentioned and not further developed in the previous article, is characterized. Serge Moscovici, according to Billig (1988) both the Marx and the Lenin of the revolutionary movement of social representations, claims, that the content of social representation is polysemic in its nature (Moscovici, 2000). However, this statement doesn't refer to the fact that the concept of social representations can be used arbitrarily and often in contradiction with the fundamental principles of his theory. In the present article, the author aims at a characteristic of social representations along with scientists who develop the original social representation theory. [ABSTRACT FROM AUTHOR]

Background: Multi-minicore disease is a rare form of myopathy characterized by slowly progressive or nonprogressive muscle weakness and characteristic multiple cores within the muscle fibers. To the best of our knowledge, this is first documentation of the clinicopathological features of this rare entity from India.Materials and Methods: A ll cases of multi-minicore disease diagnosed in our laboratory were retrieved. Clinical and pathological features were reviewed.Result: During a period of two years (January 2004 to December 2005), we received 985 muscle biopsies for various reasons. Of which, 15 were diagnosed as myopathies and four of which were of multi-minicore disease. Thus, multi-minicore disease comprises 0.40% of all muscle diseases and 26.6% of all myopathies. All were male and presented in early childhood (first decade of life) with generalized hypotonia and muscle weakness. All of them had dysmorphic facies and three had high arched palate. CPK levels were normal and EMG was myopathic except in one patient. Microscopic examination revealed minimal changes with Type I fibers' predominance but characteristic multiple cores in the myofibers. Ultrastructural examination showed both structured and unstructured cores.Conclusions: Multi-minicore disease, although a rare form of myopathies, should be suspected in children who present with generalized hypotonia and slowly progressive muscle weakness along with dysmorphic facies. [ABSTRACT FROM AUTHOR]

[Display omitted] • A new family of narrow bandgap polymerized non-fullerene acceptors. • Fine-tuned film crystallinity via molecular engineering. • All-polymer solar cell with efficiency approaching 10%. Despite remarkable advancement made by virtue of "polymerized non-fullerene acceptor" strategy in all-polymer solar cells (all-PSCs) recently, the tuning of polymer crystallinity via molecular design to optimize the nanostructured blend morphology remains challenging for boosting the short-circuit current density (J SC). Herein, through systematically optimizing the central core and π -spacer, we present a facile method to regulate the solid-state crystallinity of these emerging polymer acceptors. Specifically, we have synthesized a new family of polymerized non-fullerene acceptors named PY-2T and PY-2T2Cl by copolymerizing the Y5-derivative with bithiophene or chlorinated bithiophene. Compared to the previously used IDIC-based polymer named PIDIC-2T, the extended D-A-D fused ring core renders PY-2T with significantly red-shifted optical absorption and up-shifted energy levels, leading to simultaneously improved J SC and open circuit voltage (V OC) in the resultant all-PSCs. More importantly, the chlorinated PY-2T (PY-2T2Cl) endows the desirable phase separated blend morphology with favorable film crystallinity when paired with polymer donor PBDB-T, thus PY-2T2Cl based all-PSCs delivers a promising power conversion efficiency of approaching ~10% with a greatly enhanced J SC of 16.3 mA/cm2 and high V OC of 0.87 eV. This systematic study provides an insight into the effect of central core and π -spacer on the film crystallinity for developing high-performance polymerized non-fullerene acceptors, and also highlights the importance of both absorption and morphology in boosting the desired J SC in all-PSCs. [ABSTRACT FROM AUTHOR]

Objectives: The purpose of this study was to examine the effect of core stabilization Abstract training program on falling in elderly population. Methods & Materials: For this clinical trial study, forty elderly female subject (age: 70.58±5.98 years, weight: 55.76±5.78 kg, height: 157.76±7.8 cm) voluntarily participated. A week prior to starting training program the balance measured with the Berg Balance Test (BBT) and subjects divided into two groups, based on obtained score in BBT low risk falling (group 1), high risk falling (group 2) groups. Then subjects divided to two control & Experimental groups. The Experimental groups performed a core stabilization program included three levels for 6- week and three times per week on the alternate day and 30 min in section. The post-test of BBT were done for two groups afterwards. Independent and dependent t-test used to analyze the data. Significant level Considered to be %0.05. Results: In group 1&2 no Significant differences shown for pretest of balance between control & experimental groups (P=0.486, P=0.193). The balance of experimental groups compared to control groups improved after training program (P=0.007, P=0.000). Rate of improvement in experimental groups 1 and 2 were 3.38% and 15/06% and fore control groups were 0.95% and 3.7% respectively. Conclusion: Core stabilization training program may improve balance and decrease falling in elderly.