A comparison of the thoracic spine in the sagittal plane between elite cyclists and non-athlete subjects

Muyor, José M.; López-Miñarro, Pedro Ángel; Alacid, Fernando

doi:10.3233/bmr-2011-0286

Cited by 29 publications

(37 citation statements)

References 25 publications

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“…Therefore, the results of the present study do not confirm the observations of other authors [11,13,14,15,17,18,21,23,32] who suggested that asymmetric sports training had an effect on the shape of AP curvatures of the spine. There also studies reporting that certain sports disciplines do not affect athletes' posture in the sagittal plane [39,40].…”

Section: Discussioncontrasting

confidence: 57%

“…Most of them point out that sports training tends to affect posture of athletes [13,14,15,20,21,22,23,24]. Some authors claim that many sports, especially those of an asymmetric nature, may contribute to the development of static disorders of the vertebral column, postural asymmetry, as well as disbalances in muscle mass among the training individuals [16,22,25,26].…”

Section: Introductionmentioning

confidence: 99%

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Posture of adolescent male handball players compared to non-athletes

Grabara

2017

Balt J Health Phys Act

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Open Access License:This is an open access article distributed under the terms of the Creative Commons Attribution-Non-commercial 4.0 International (http://creativecommons.org/licenses/by-nc/4.0/), which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non-commercial and is otherwise in compliance with the license. abstract BackgroundThe aim of the present study was to assess the posture and somatic parameters in adolescent male handball players compared to non-athletes and determine whether a relationship exists between the posture and the volume of training and/or its frequency. Material/MethodsSixty-eight adolescent male handball players and sixty-nine non-athletes aged 15-18 were examined. The posture was evaluated by the moiré method. ResultsHandball players exhibited smaller and less frequent asymmetries compared to the nonathletes. Statistically significant differences were found in the position of shoulder blades (p < 0.05) and pelvic alignment in the frontal (p < 0.001) and transverse (p < 0.05) planes. The spinal shape in the sagittal plane did not differentiate the training subjects from nonathletes. The study also revealed weak correlations between the training period and a deviation of the spinous processes (r = 0.25), a symmetry of the shoulder blades (r = 0.25), and an inclination angle of the thoracolumbar segment (r = -0.26). No correlations were observed between the training frequency and posture parameters. ConclusionsIt can be concluded that despite the predominance of asymmetric elements, handball training does not negatively affect the posture in the frontal and transverse planes.

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Section: Discussioncontrasting

confidence: 57%

Section: Introductionmentioning

confidence: 99%

Posture of adolescent male handball players compared to non-athletes

Grabara

2017

Balt J Health Phys Act

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“…Estos autores argumentaron que sus resultados eran debidos a la adaptación raquídea, por la postura en flexión del tronco mantenida por el ciclista para alcanzar el agarre del manillar. En estudios recientes, Muyor et al (2011aMuyor et al ( , 2011bMuyor et al ( , 2011c han observado, en ciclistas de diferentes categorías y en sujetos no deportistas (Muyor et al, 2011b), que el raquis torácico se mantiene más rectificado sobre la bicicleta con las manos apoyadas en los tres agarres más utilizados en ciclismo (agarre transversal, de manetas y bajo) que en la postura de bipedestación relajada, debido a la aducción escapular y retropulsión de hombros generada al apoyar las manos y descargar el peso del tronco sobre el manillar. Por ello, estos autores concluyen que los elevados porcentajes de ciclistas con hipercifosis torácica encontrados en bipedestación, podrían deberse más a otros factores que a la práctica del ciclismo.…”

Section: Discussionunclassified

“…En bipedestación, Rajabi et al encontraron una cifosis torácica significativamente mayor en ciclistas que en sujetos no deportistas, aunque estos autores no detallan los años de experiencia y volumen de entrenamiento sobre la bicicleta. Recientemente, Muyor et al (2011b), en ciclistas de élite con una experiencia media de 7 años de entrenamiento en ciclismo, observaron una cifosis torácica significativamente más aumentada en comparación con sujetos sedentarios. Por otro lado, Muyor et al (2011a) al comparar ciclistas de élite con ciclistas de categoría máster 30, con una experiencia similar en años de práctica de ciclismo, no observaron diferencias significativas en la morfología del raquis, si bien, aquellos que entrenaban más días a la semana (ciclistas de la categoría élite), presentaban un mayor porcentaje de casos con hipercifosis torácica.…”

Section: Introductionunclassified

Evolución de la Morfología del Raquis e Inclinación Pélvica en Ciclistas de Diferentes Edades: Un Estudio Transversal

et al. 2012

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RESUMEN:El objetivo principal del estudio fue determinar la morfología del raquis e inclinación pélvica en bipedestación en tres grupos de ciclistas de distintas edades, con un volumen de entrenamiento y experiencia similares. Un total de 65 ciclistas fueron divididos en tres grupos de edad: grupo 1 (≤ 30 años; n = 20); grupo 2 (entre 31 y 40 años; n = 25); y grupo 3 (≥ 41 años; n = 20). Posteriormente se les evaluó la morfología sagital del raquis torácico, lumbar e inclinación pélvica en bipedestación, mediante el sistema Spinal Mouse. Los valores angulares medios para el raquis torácico, lumbar e inclinación pélvica para el grupo 1 fueron: 46,60 ± 10,09º; -26,40 ± 7,17º; 13,20 ± 4,94º; para el grupo 2: 47,64 ± 8,58º; -26,92 ± 6,34º; 12,24 ± 4,45º; y para el grupo 3: 50,75 ± 12,77º; -20,70 ± 10,10º y 8,15 ± 8,21º. Se encontraron diferencias significativas en el raquis lumbar e inclinación pélvica en los grupos 1 y 2, con respecto al 3. En conclusión, la edad es un factor que condiciona la morfología del raquis e inclinación pélvica en ciclistas que presentan los mismos años de práctica y volumen de entrenamiento en ciclismo.

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“…시상면에서 척추 자세는 척추 폄 근의 근력과 관련이 있다. Sinaki et al(1996) (Muyor et al, 2011;Sharmann, 2010;Sinaki et al, 1996) (Muyor et al, 2011;Sharman, 2010;Sinaki et al, 1996) …”

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Comparison of Muscle Activities of Thoracic and Lumbar Extensors during Trunk Lift Exercises According to Exercise Position

Koh

Jung²

2012

Korean Journal of Sport Biomechanics

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The purpose of this study was to compare the muscle activities of the thoracic extensor(TE) and lumbar extensor(LE) during trunk lift (TL) exercise according to exercise position. Seventeen healthy subjects with no medial history of back pain were recruited for this study. Subjects performed the TL exercise in prone, quadruped and heel-sitting positions. The activities of the TE and LE were measured using surface electromyography during TL exercise in each exercise position. A one-way repeated-measures analysis of variance (ANOVA) was used to compare the normalized muscle activities of the TE and LE and the TE/LE ratio. The results showed that there was not significant effect of exercise position on the muscle activities of TE(p>.05). However, there was significant effect of exercise position on the muscle activities of LE and the TE/LE ratio(p>.05). Post hoc pair-wise comparisons with Bonferroni correction showed that both muscle activities of LE and TE/LE ratio in prone position were significantly different in those in heel-sitting and quadruped positions, during TL exercise, respectively. The TE/LE ratio was the greatest for TL exercise in heel-sitting position. Therefore, for selective activation of the TE muscle, we recommend performing the TL exercise in heel-sitting or quadruped position.

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A comparison of the thoracic spine in the sagittal plane between elite cyclists and non-athlete subjects

Abstract: The posture adopted in cycling is not the only result of the higher thoracic curvature in cyclists when standing. It is necessary to include spinal postural awareness in the training plan and thoracic muscle resistance exercises that favour more aligned postures while standing.

Cited by 29 publications

References 25 publications

Posture of adolescent male handball players compared to non-athletes

Posture of adolescent male handball players compared to non-athletes

Evolución de la Morfología del Raquis e Inclinación Pélvica en Ciclistas de Diferentes Edades: Un Estudio Transversal

Comparison of Muscle Activities of Thoracic and Lumbar Extensors during Trunk Lift Exercises According to Exercise Position

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