scholarly journals Comportamento da Lordose Lombar no Exercício Resistido / Lumbar lordosis behavior in Resisted Exercise

2016 ◽  
Vol 6 (3) ◽  
pp. 82-93
Author(s):  
Nathália Beatriz Manara Lellis ◽  
Paulo José Oliveira Cortez

Objetivo: Analisar a curvatura lombar durante a execução de exercícios resistidos. Materiais e Métodos: Foram analisadas 81 pessoas, durante a execução de cinco aparelhos diferentes de exercício resistido. Fez-se um registro fotográfico da coluna lombar durante os exercícios, seguido da análise de quatro variáveis: manutenção da lordose fisiológica, hiperlordose, retificação da curvatura e inversão da curvatura. Resultados: Em todos os aparelhos houve a modificação do comportamento da lordose lombar durante a execução dos exercícios. A manutenção da lordose fisiológica, correspondendo a uma posição não errônea ou aceitável, não foi significativa. No aparelho Cadeira Extensora, a manutenção correta da curvatura lombar durante o exercício resistido esteve presente em apenas 35,8%, sendo o aparelho em que menos se manteve a curvatura fisiológica e em que houve a inversão da curva como a modificação mais presente. O Aparelho Voador foi o que mais demonstrou a preservação da postura com uma porcentagem pequena de alteração (76,5%), seguido pelo aparelho Leg Press (preservação de 65,4%) e pelo Pulley Alto (64,2%). No aparelho Cadeira Flexora, pode-se observar um menor número de variedade dos tipos de curvaturas, estando presente apenas a hiperlordose e a lordose fisiológica, com predomínio de 61,7%, estando ausentes a retificação da curva e a inversão da curva. Conclusão: A prática do exercício resistido sem a manutenção da lordose lombar, seja ela por má orientação ou por carga excessiva, está presente na prática regular dos alunos submetidos a análise do presente estudo.Palavras-chave: Curvaturas da Coluna Vertebral, Dor Lombar, Postura, Exercício, Esforço Físico, Levantamento de PesoABSTRACTObjective: To analyze the lumbar curvature while executing resisted exercises. Material and Methods: A total of 81 subjects were analyzed during execution of five different resistance exercise devices. A photographic register of the lumbar spine during the exercise was performed, followed by data analysis of four variables: maintenance of physiological lordosis, hyperlordosis, rectified curvature and reversal of curvature. Results: It was found modification in lumbar lordosis behavior during the execution of all exercises. The maintenance of the physiological lordosis, which would be a not erroneous and acceptable position, was not significant. On the “Stretcher Chair” device, the correct maintenance of the lumbar curvature during resisted exercise was present in only 35.8%. It was the apparatus in which few remained physiological curvature and the most  inversion of the curve was present. The “Flying” machine showed the most preservation of posture with a small percentage of change (76.5%), and was followed by the “Leg” unit (65.4%) and “High Pulley” set (64.2%). The “Flexor Chair” device showed the fewer variety in types of curvatures, the hyperlordosis and physiologic lordosis, with a prevalence of 61.7%.  Rectification and reversal of the curvature was not observed in this device. Conclusion: The practice of resisted exercise without the maintenance of lumbar lordosis, whether by misdirection or stress, is the regular practice of students subjected to analysis of this study.Keywords: Spinal Curvatures, Low Back Pain, Posture, Exercise, Physical Exertion, Weight Lifting 

2020 ◽  
pp. 219256822093952 ◽  
Author(s):  
J. Alex Sielatycki ◽  
Tyler Metcalf ◽  
Marissa Koscielski ◽  
Clinton J. Devin ◽  
Scott Hodges

Study Design: Prospective lumbar radiograph analysis. Objective: To compare changes in lumbar lordosis in standing flexion versus seated lateral radiographs. Methods: Standing lateral, standing flexion, and seated lateral X-rays of the lumbar spine were obtained in patients presenting with low back pain. Trauma, tumor, and revision cases were excluded. Changes in global lumbar as well as segmental lordosis were measured in each position. Results: Seventy adult patients were reviewed. Overall, the greatest changes in lordosis were seen at L4-S1 in both the seated and flexion X-rays (12.5° and 6.3°, respectively). Greater kyphosis was seen in seated versus flexion X-rays (21.6° vs 15.8°); changes in lordosis from L1-L3 were similar in both positions, with little change seen at these levels (approximately 5° to 7°). On subgroup analysis, these differences were magnified in analyzing only patients that moved at least 20° globally, and there were no significant differences between sitting and flexion in “stiff” patients that moved less than 20° globally. Conclusion: Greater lumbar kyphosis was seen in the seated position compared to standing flexion, especially from L4-S1. Given these results we suggest the use of seated lateral X-rays to dynamically assess the lumbar spine. These findings may also guide future research into the mechanism and clinical relevance of a stiff versus mobile lumbar spine, as well as into the sensitivity of seated X-rays in detecting instability.


1998 ◽  
Author(s):  
◽  
Brendon John Bailes

The cause of postnatal low back pain is not clearly understood. There have been few studies performed to determine the cause, and several theories have attempted to explain the occurrence of postnatal low back pain. It is suggested that an exaggerated lumbar lordosis, laxity of the ligaments due to relaxin, biomechanical strain on the muscles and ligaments of the lumbar spine and pelvis and temporary compensatory posture are possible aetiologies of postnatal low back pain. (Calguneri et al. 1982; Bullock et al. 1987 ; Berg et al. 1988; Wisneski et al.1992: 711 ; Mantle 1994:799.)


Author(s):  
Ryo Kanematsu ◽  
Junya Hanakita ◽  
Toshiyuki Takahashi ◽  
Manabu Minami ◽  
Kazuhiro Miyasaka ◽  
...  

Spine ◽  
1980 ◽  
Vol 5 (2) ◽  
pp. 179-184 ◽  
Author(s):  
JEREMY C. T. FAIRBANK ◽  
JOHN PATRICK OʼBRIEN ◽  
PETER R. DAVIS

2005 ◽  
Vol 2 (6) ◽  
pp. 670-672 ◽  
Author(s):  
Daniel K. Resnick ◽  
Tanvir F. Choudhri ◽  
Andrew T. Dailey ◽  
Michael W. Groff ◽  
Larry Khoo ◽  
...  

2017 ◽  
Vol 17 (8) ◽  
pp. 1180-1191 ◽  
Author(s):  
Se-Woong Chun ◽  
Chai-Young Lim ◽  
Keewon Kim ◽  
Jinseub Hwang ◽  
Sun G. Chung

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