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Journal articles on the topic 'Flexión'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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1

Dávalos-Sotelo, Raymundo, and Víctor Rubén Ordóñez Candelaria. "INFLUENCIA DE LOS NUDOS SOBRE LA RESISTENCIA EN FLEXIÓN ESTÁTICA EN MADERA DE TAMAÑO ESTRUCTURAL." Revista Mexicana de Ciencias Forestales 2, no. 7 (2019): 43–56. http://dx.doi.org/10.29298/rmcf.v2i7.569.

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 En este trabajo se determina el efecto de los nudos sobre la resistencia a flexión de la madera de pino de usos estructurales. Se presenta la información de un conjunto de datos experimentales acerca de la resistencia estructural de la madera de pinos mexicanos y, mediante análisis de tipo estadístico, se define de manera cuantitativa este efecto. Se ensayaron 150 especímenes de 38 mm x 89 mm x 2400 mm de dimensiones nominales en condición seca, provenientes del Estado de México. Se analizó la relación de la razón de área de nudos (RAN) con la resistencia (Módu
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Rodríguez Anda, Raúl, Juan Francisco Zamora Natera, José Antonio Silva Guzmán, Eduardo Salcedo Pérez, and Francisco Javier Fuentes Talavera. "PROPIEDADES FÍSICO-MECÁNICAS DE MADERA DE TECA DE PLANTACIONES COMERCIALES." Revista Mexicana de Ciencias Forestales 5, no. 24 (2018): 12–25. http://dx.doi.org/10.29298/rmcf.v5i24.316.

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 Las propiedades físico-mecánicas de la madera de Tectona grandis (teca) procedente de plantaciones comerciales del sureste mexicano fueron analizadas. Se eligieron árboles de 9 y 15 años del estado de Campeche, 21 años de Chiapas y 15 años de Tabasco. Se recolectaron 10 trozas de 3 m de longitud por edad y procedencia. Las propiedades físicas y mecánicas se evaluaron conforme a las normas DIN. La densidad normal fluctuó de 0.55 a 0.66 g cm-3. La contracción máxima radial y tangencial fue 2-2.8 % y 4.3-5.1 % (baja), su anisotropía 1.8-2.2 (de buena a alta), sin
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Romero Méndez, Mauricio Jesús, Juan Carlos Rodríguez Ortiz, Isidoro Lara Compeán, et al. "Prototipo de invernadero con estructura de bambú: selección de materiales, diseño e impacto ambiental." Revista Mexicana de Ciencias Agrícolas 8, no. 5 (2017): 1059. http://dx.doi.org/10.29312/remexca.v8i5.108.

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 El presente trabajo pretende desarrollar una alternativa de producción en cultivos protegidos a productores de escasos recursos de México. Los objetivos fueron: i) determinar la capacidad de resistencia de culmos de bambú de cuatro especies: Bambusa oldhamii Munro, Bambusa vulgaris var. vulgaris Schrad, Bambusa vulgaris ‘Striata’ y Gigantochloa verticillata Willd.; ii) diseñar un prototipo de invernadero para zonas áridas con culmos de bambú; y iii) estimar el impacto ambiental en relación al CO2 involucrado. Los resultados de resistencia a la compresión muestran q
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Valencia Cayupán, Oscar David, María José Hudson, Felipe Carpes, et al. "Modificación de patrones cinemáticos y electromiográficos en extremidad inferior por el uso de celular (Modification of kinematic and electromyographic patterns in the lower limb by the use of cell phones)." Retos, no. 39 (July 11, 2020): 354–58. http://dx.doi.org/10.47197/retos.v0i39.77730.

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Las lesiones de transeúntes relacionadas al uso de teléfono celular han aumentado en relación con el total de accidentes peatonales. El objetivo de este estudio fue comparar variables cinemáticas y electromiográficas de ambas extremidades inferiores al enfrentar un obstáculo, con (CC) y sin (SC) el uso de celular. Diez mujeres jóvenes fueron evaluadas, las cuales caminaron y enfrentaron un obstáculo CC y SC. Con un modelo biomecánico 3D se evaluó la cinemática de extremidad inferior (plano sagital de cadera, rodilla, tobillo, junto al “toe clearance”). Al mismo tiempo se registró la actividad
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Rodríguez Anda, Raúl, Alejandra María Ramírez Arango, Hilda Palacios Juárez, Francisco Javier Fuentes Talavera, José Antonio Silva Guzmán, and Alma Rosa Saucedo Corona. "Características anatómicas, físico-mecánicas y de maquinado de la madera de mezquite (Prosopis velutina Wooton)." Revista Mexicana de Ciencias Forestales 6, no. 28 (2018): 156–73. http://dx.doi.org/10.29298/rmcf.v6i28.257.

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 Las características anatómicas, físico-mecánicas y de maquinado de la madera de mezquite (Prosopis velutina) fueron determinadas. Se recolectaron en el estado de Sonora cinco trozas de dos metros a partir del tocón. El estudio anatómico se efectuó conforme a lo estipulado por la IAWA. Las propiedades físico-mecánicas se evaluaron de acuerdo a las normas DIN. El maquinado se efectuó de forma manual y para la evaluación de la superficie se tomó como base la norma ASTM D 1666-87. La madera presentó porosidad difusa a semianular. Duramen con abundantes depósitos
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Zavala-Leal, I., S. Dumas-Lapage, and R. Peña-Martinez. "ORGANOGÉNESIS DURANTE EL PERIODO LARVAL EN PECES." CICIMAR Oceánides 26, no. 2 (2011): 19. http://dx.doi.org/10.37543/oceanides.v26i2.100.

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La presencia de un periodo larval caracteriza a los peces con ontogenia indirecta. Este periodo de desarrollo implica una serie de transformaciones encaminadas a la adquisición de las características biológicas y ecológicas propias de la especie; y en muchos casos culmina con cambios de distribución y hábitos alimenticios. El periodo larval incluye cuatro estadios de desarrollo: larva vitelina, larva pre-flexión, larva flexión y larva post-flexión. Cada estadio de desarrollo presenta características asociados a cambios en las diferentes prioridades durante el crecimiento. De esta forma, durant
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López-Miñarro, Pedro Ángel, and Fernando Alacid Cárceles. "Cifosis funcional y actitud cifótica lumbar en piragüistas adolescentes (Functional kyphosis and lumbar kyphosis in adolescent paddlers)." Retos, no. 17 (March 9, 2015): 5–9. http://dx.doi.org/10.47197/retos.v0i17.34659.

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El objetivo de este estudio fue valorar la frecuencia de casos de cifosis funcional y actitud cifótica lumbar en piragüistas adolescentes. A un total de 140 piragüistas (media de edad: 13,67 ± 0,61 años) se les midió, mediante un inclinómetro, la disposición sagital del raquis dorsal y lumbar en bipedestación relajada y al realizar una flexión máxima del tronco en sedentación con rodillas extendidas (test de distancia dedos-planta). Al clasificar los valores angulares en base a las referencias de normalidad, un 63% de los deportistas tenían una curva dorsal normal en bipedestación, de los cual
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LaBry, Rebecca, Paola Sbriccoli, Bing-He Zhou, and Moshe Solomonow. "Longer static flexion duration elicits a neuromuscular disorder in the lumbar spine." Journal of Applied Physiology 96, no. 5 (2004): 2005–15. http://dx.doi.org/10.1152/japplphysiol.01190.2003.

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The objective of this study was to assess the impact of two sequential long, static, anterior lumbar flexions on the development of a neuromuscular disorder and to compare it with previously obtained data from a series of short static flexion periods of the same cumulative time (Sbriccoli P, Solomonow M, Zhou BH, Baratta RV, Lu Y, Zhu MP, and Burger EL, Muscle Nerve 29: 300-308, 2004). Static flexions with loads of 20, 40, and 60 N were applied to the lumbar spine over two 30-min periods with a 10-min rest in between. The reflex EMG activity from the multifidus muscles and supraspinous ligamen
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Arjunan, Sridhar P., Dinesh K. Kumar, and Ganesh R. Naik. "FEATURES OF sEMG BASED ON SOURCE SEPARATION AND FRACTAL PROPERTIES TO DETECT WRIST MOVEMENTS." Biomedical Engineering: Applications, Basis and Communications 22, no. 04 (2010): 293–300. http://dx.doi.org/10.4015/s1016237210002080.

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Classification of surface electromyogram (sEMG) for identification of hand and finger flexions has a number of applications such as sEMG-based controllers for near elbow amputees and human-computer interface devices for the elderly. However, the classification of an sEMG becomes difficult when the level of muscle contraction is low and when there are multiple active muscles. The presence of noise and crosstalk from closely located and simultaneously active muscles is exaggerated when muscles are weakly active such as during sustained wrist and finger flexion and of people with neuropathologica
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Caufriez, Benoît, Pierre-Michel Dugailly, Eric Brassinne, and Frédéric Schuind. "The Role of the Muscle Brachioradialis in Elbow Flexion: An Electromyographic Study." Journal of Hand Surgery (Asian-Pacific Volume) 23, no. 01 (2018): 102–10. http://dx.doi.org/10.1142/s2424835518500145.

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Background: In the classical conception, the brachioradialis is a forearm supinator. The hypothesis of this study was that, at least in certain positions of elbow flexion and forearm rotation, the brachioradialis is, along with the biceps and brachialis, one of the main elbow flexors.Methods: Fifteen young healthy male volunteers participated in this research. The activities of the biceps, brachialis and brachioradialis muscles were studied using surface electromyography, while the subjects were performing elbow flexions/extensions with as much strength as possible, forearm in neutral position
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Gallucci, Jason G., and John H. Challis. "Examining the Role of the Gastrocnemius during the Leg Curl Exercise." Journal of Applied Biomechanics 18, no. 1 (2002): 15–27. http://dx.doi.org/10.1123/jab.18.1.15.

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This study examined the moment-producing capabilities of the gastrocnemius during isokinetic knee flexion tasks. Nine healthy men were tested using a Biodex isokinetic dynamometer. Each one completed 3 maximum repetitions at 3 angular velocities, 30, 75, and 150º/s, with his ankle braced in either full dorsiflexion or full plantar flexion. A computer model was used to simulate the experimental tasks. Experimentally, the moment produced at the knee joint with the ankle dorsiflexed was significantly higher than the moment with the ankle plantar-flexed at all 3 angular velocities,p< 0.05. This
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Soulen, R. Kendall. "Der trinitarische Name Gottes in seinem Verhältnis zum Tetragramm." Evangelische Theologie 64, no. 5 (2004): 326–45. http://dx.doi.org/10.14315/evth-2004-0503.

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Zusammenfassung Christliches Reden vom trinitarischen Namen Gottes kann dem gesamtbiblischen Zeugnis und dem Geheimnis der Dreieinheit Gottes nur dann entsprechen, wenn es wahrhaft trinitarisch gestaltet ist. Der trinitarische Name lässt sich am ehesten als ein Name in drei Flexionen verstehen. Jede Flexion kennzeichnet alle drei Personen der Trinität, jedoch jeweils in einer Redewendung, die speziell eine Person charakterisiert. Somit besteht der göttliche Name in der Einheit dreier Flexionen, die - wie die drei Personen der Trinität - ebenso in unableitbarer Weise voneinander unterschieden w
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13

Feria Madueño, Adrián, Moises De Hoyo Lora, Kevin Fernandez Roldan, Sergio Romero Boza, Jesús Mateo Cortés, and Borja Sañudo Corrales. "Diferencias de género en la estabilización de rodilla en aterrizajes de salto (Gender differneces in knee stabilization in landings)." Retos, no. 26 (March 6, 2015): 178–79. http://dx.doi.org/10.47197/retos.v0i26.34463.

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Los aterrizajes monopodales representan situaciones de riesgo de lesión de rodilla. Entre los factores para su determinación, se encuentran la flexión de rodilla y el tiempo de estabilización, los cuales parecen jugar un papel fundamental en el desencadenamiento de alguna lesión. Nuestro objetivo fue determinar las diferencias de género sobre la estabilización de rodilla tras el aterrizaje de saltos en sujetos físicamente activos. La muestra estuvo constituida por cuarenta sujetos (M=20; H=20; 24.16 ± 2.6 años; altura = 1.76 ± 0.08 m; peso = 73.42 ± 11.74 kg; IMC = 23.86 ± 2.78 kg·m-2). Ambos
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14

Oude Nijhuis, Lars B., Bastiaan R. Bloem, Mark G. Carpenter, and John H. J. Allum. "Incorporating Voluntary Knee Flexion Into Nonanticipatory Balance Corrections." Journal of Neurophysiology 98, no. 5 (2007): 3047–59. http://dx.doi.org/10.1152/jn.01303.2006.

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Knee movements play a critical role in most balance corrections. Loss of knee flexibility may cause postural instability. Conversely, trained voluntary knee flexions executed during balance corrections might help to overcome balance deficits. We examined whether bilateral knee flexion could be added to automatic balance corrections generated by sudden balance perturbations. We investigated how this could be achieved and whether it improved or worsened balance control. Twenty-four healthy subjects participated in three different test conditions, in which they had to flex their knees following a
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Syriou, Vassiliki, Anestis Moisidis, Nikolaos Tamouridis, Krystallenia Alexandraki, and Margarita Anapliotou. "Isolated adrenocorticotropin deficiency and flexion contractures syndrome." HORMONES 7, no. 4 (2008): 320–24. http://dx.doi.org/10.14310/horm.2002.1213.

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Núñez Álvarez, Victor Manuel, Carolina Lancho Poblador, and Juan Manuel Ramírez Pistón. "Entrenamiento muscular a través de tecnología isoinercial en un jugador de fútbol profesional intervenido de rotura total de LCA. Estudio de caso (Muscle training using isoinertial technology in a professional footballer following surgery for a complete A." Retos, no. 29 (December 19, 2015): 166–70. http://dx.doi.org/10.47197/retos.v0i29.41315.

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La incorporación del trabajo con tecnología isoinercial en los diferentes programas de entrenamiento ha contribuido a una notable mejora en el desarrollo de la fuerza y potencia muscular. Objetivos: evaluar la fuerza de la musculatura flexora y extensora de la rodilla en fase concéntrica y excéntrica. Método: durante 4 semanas (3 sesiones semanales) se ha realizado un programa de entrenamiento con tecnología isoinercial con movimientos simultáneos de flexión y extensión de rodilla de ambas extremidades. Antes y después del programa de entrenamiento se ha evaluado la potencia del tren inferior
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Úbeda, Andrés, Brayan S. Zapata-Impata, Santiago T. Puente, Pablo Gil, Francisco Candelas, and Fernando Torres. "A Vision-Driven Collaborative Robotic Grasping System Tele-Operated by Surface Electromyography." Sensors 18, no. 7 (2018): 2366. http://dx.doi.org/10.3390/s18072366.

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This paper presents a system that combines computer vision and surface electromyography techniques to perform grasping tasks with a robotic hand. In order to achieve a reliable grasping action, the vision-driven system is used to compute pre-grasping poses of the robotic system based on the analysis of tridimensional object features. Then, the human operator can correct the pre-grasping pose of the robot using surface electromyographic signals from the forearm during wrist flexion and extension. Weak wrist flexions and extensions allow a fine adjustment of the robotic system to grasp the objec
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Rutledge, Brad, Tamara Reid Bush, Joseph Vorro, et al. "Differences in Human Cervical Spine Kinematics for Active and Passive Motions of Symptomatic and Asymptomatic Subject Groups." Journal of Applied Biomechanics 29, no. 5 (2013): 543–53. http://dx.doi.org/10.1123/jab.29.5.543.

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Most musculoskeletal disorders of the head and neck regions cannot be identified through imaging techniques; therefore clinician-conducted assessments (passive motions) are used to evaluate the functional ability of these regions. Although active motions do not require interaction with a clinician, these movements can also provide diagnostic indicators of dysfunction. The purpose of this research was to determine whether kinematic measures differed between active and passive movements of participants in symptomatic and asymptomatic groups. Data obtained on cervical lateral flexion range of mot
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Olson, Michael W., Li Li, and Moshe Solomonow. "Flexion-relaxation response to cyclic lumbar flexion." Clinical Biomechanics 19, no. 8 (2004): 769–76. http://dx.doi.org/10.1016/j.clinbiomech.2004.05.007.

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Meftah, El Mehdi, and Lucie Rispal-Padel. "Reverse Effects of Conditioning Produced by Two Different Unconditioned Stimuli on Thalamocortical Transmission." Journal of Neurophysiology 77, no. 4 (1997): 1663–78. http://dx.doi.org/10.1152/jn.1997.77.4.1663.

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Meftah, El Mehdi and Lucie Rispal-Padel. Reverse effects of conditioning produced by two different unconditioned stimuli on thalamocortical transmission. J. Neurophysiol. 77: 1663–1678, 1997. Actions of cerebellothalamocortical (CTC) networks on the musculature can be modified by associative conditioning in adult animals. During conditioning, electrical stimulation of a CTC network involved in forearm flexion movements results in either flexion or extension responses, depending on the somatosensory information given by the unconditioned stimulus (UCS). In the present work we attempt to determi
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Jing, J., and R. Gillette. "Neuronal elements that mediate escape swimming and suppress feeding behavior in the predatory sea slug Pleurobranchaea." Journal of Neurophysiology 74, no. 5 (1995): 1900–1910. http://dx.doi.org/10.1152/jn.1995.74.5.1900.

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1. The white, bilaterally paired A1 interneurons of the cerebropleural ganglion of Pleurobranchaea californica fire rhythmic bursts of action potentials during escape swimming behavior. We studied the role of the A1s in swimming behavior and pattern generation in whole animal and isolated CNS preparations. 2. The escape swim is a cyclic sequence of dorsal and ventral flexions of the body. During the swim, A1 bursts precede and accompany the dorsal flexion phase of the cycle. Hyperpolarization of A1 to prevent spike activity interrupts swimming behavior in the whole animal and fictive swimming
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Jing, Jian, and Rhanor Gillette. "Central Pattern Generator for Escape Swimming in the Notaspid Sea Slug Pleurobranchaea californica." Journal of Neurophysiology 81, no. 2 (1999): 654–67. http://dx.doi.org/10.1152/jn.1999.81.2.654.

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Central pattern generator for escape swimming in the notaspid sea slug Pleurobranchaea californica. Escape swimming in the notaspid opisthobranch Pleurobranchaea is an episode of alternating dorsal and ventral body flexions that overrides all other behaviors. We have explored the structure of the central pattern generator (CPG) in the cerebropleural ganglion as part of a study of neural network interactions underlying decision making in normal behavior. The CPG comprises at least eight bilaterally paired interneurons, each of which contributes and is phase-locked to the swim rhythm. Dorsal fle
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Goldberg, David M., and Adrienne Leonard. "Measuring Flexion." Astrophysical Journal 660, no. 2 (2007): 1003–15. http://dx.doi.org/10.1086/513137.

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PARSLEY, BRIAN S., GERARD A. ENGH, and KIMBERLY A. DWYER. "Preoperative Flexion." Clinical Orthopaedics and Related Research &NA;, no. 275 (1992): 204???210. http://dx.doi.org/10.1097/00003086-199202000-00030.

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Hou, Wensheng, Xiaoying Wu, Yingtao Jiang, et al. "PHASED MULTI-JOINT MOVEMENT OF THE INDEX FINGER DURING A FULL FLEXION CYCLE." Biomedical Engineering: Applications, Basis and Communications 20, no. 05 (2008): 303–12. http://dx.doi.org/10.4015/s1016237208000921.

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Flexion of the index finger is a fairly complex process requiring the coordination of different joints. This study is the first attempt to investigate how the angular velocity profile of the three right index joints (DIP, PIP, and MCP) varies with respect to time during the course of flexion. Ten right-handed subjects (healthy college students between 21 and 23 years old) were recruited to participate in the experiment. Each of these human subjects was instructed to perform a flexion task with his/her right hand. Five miniaturized (5-mm diameter) reflective markers were applied to each human s
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Tosun, Ozgur, Muhabbet D. Koralp, Aliye Tosun, Levent Celebi, and Nail Bulakbaşi. "Avulsion Fracture and Myositis Ossificans in a Professional Teenage Dancer: A Case Report." Medical Problems of Performing Artists 30, no. 2 (2015): 111–14. http://dx.doi.org/10.21091/mppa.2015.2019.

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Fractures of the transverse processes in the lumbar vertebrae occur as the result of major forces such as direct blunt trauma, violent lateral flexion-extension forces, avulsion of the psoas muscle, or Malgaigne fractures of the pelvis. Dancers make repeated and forceful hyperextension and flexions of the spine, which may cause fractures of the transverse processes of the lumbar vertebrae. Repeated trauma of muscles in dancers may cause avulsion fractures and myositis ossificans. Herein, we report MRI and CT findings of an avulsion from the right transverse process of the L2 and L3 vertebrae i
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Dickey, James P., Sara McNorton, and James R. Potvin. "Repeated spinal flexion modulates the flexion–relaxation phenomenon." Clinical Biomechanics 18, no. 9 (2003): 783–89. http://dx.doi.org/10.1016/s0268-0033(03)00166-9.

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Lam, Li On, Sharon Swift, and David Shakespeare. "Fixed flexion deformity and flexion after knee arthroplasty." Knee 10, no. 2 (2003): 181–85. http://dx.doi.org/10.1016/s0968-0160(02)00102-3.

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Zubkov, Alexander Y., and Eelco F. M. Wijdicks. "Plantar flexion and flexion synergy in brain death." Neurology 70, no. 19 (2008): e74-e74. http://dx.doi.org/10.1212/01.wnl.0000311393.07219.a2.

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Ang, Coco, Brian C. Nairn, Alison Schinkel-Ivy, and Janessa D. M. Drake. "Seated maximum flexion: An alternative to standing maximum flexion for determining presence of flexion-relaxation?" Journal of Back and Musculoskeletal Rehabilitation 29, no. 2 (2016): 249–58. http://dx.doi.org/10.3233/bmr-150621.

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Lionberger, David R., Mitchell D. Eggers, Kathryn E. Brewer, and Li Fang. "Improved knee flexion following high-flexion total knee arthroplasty." Journal of Orthopaedic Surgery and Research 7, no. 1 (2012): 22. http://dx.doi.org/10.1186/1749-799x-7-22.

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Fuentes, Andrés, Luciano Martínez, Esteban Aedo-Muñoz, Ciro Brito, Bianca Miarka, and David Arriagada-Tarifeño. "¿Existe alguna relación entre la posición del ciclismo y la aparición de dolor lumbar? Una revisión sistematizada (Is there any relation between the position of cycling and the appearance of lower pain? A systematized Review)." Retos 43 (August 12, 2021): 651–59. http://dx.doi.org/10.47197/retos.v43i0.89363.

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Este trabajo analizó la relación entre la posición de flexión mantenida durante la práctica de ciclismo y la posible relación con dolor lumbar. Se llevó a cabo una revisión sistematizada a través del proceso PRISMA® entre 2015-2020, en las bases de datos PubMed, PEDro, Scopus y Web of Science, empleando los términos; “cycling”, “cyclist”, “position”, “positioning”, “overuse injury”, “spinal biomechanic”, “lower back”, “lower back pain”. Se seleccionaron 5 artículos que cumplieron con todos los criterios de inclusión. Los artículos seleccionados mostraron cambios en la inclinación pélvica, ángu
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Patel, Dr Hiren K., Dr Ankit Kediya, and Dr H. P. Bhalodiya. "Comparative Results of Gender Knee with Standard High Flexion Joints." International Journal of Scientific Research 3, no. 2 (2012): 446–47. http://dx.doi.org/10.15373/22778179/feb2014/147.

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Silva Herrera, Raymundo, and Gil Humberto Ochoa González. "INTEGRACIÓN DE PET RECICLADO A FLEXIÓN EN UN ELEMENTO CONSTRUCTIVO DE CONCRETO." Vivienda y Comunidades Sustentables 2019, no. 6 (2019): 99–117. http://dx.doi.org/10.32870/rvcs.v0i6.106.

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Frederick, Edward C. "Estimates of the Energy Cost of Rifle Carriage in Biathlon Ski Skating." International Journal of Sport Biomechanics 3, no. 4 (1987): 392–403. http://dx.doi.org/10.1123/ijsb.3.4.392.

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Elite biathletes now ski using skating techniques in place of the more traditional diagonal stride. Because of the more extreme flexion and extension of the trunk with these new techniques, it has become necessary to reevaluate the method of rifle carriage. This paper describes a model which evaluates the incremental mechanical power required to move the additional weight of the rifle through defined angular flexions and extensions of the trunk. By combining this model with actual observations of typical kinematics of trunk flexion, we can generate realistic estimates of the energy cost of rif
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Shao, Minghao, Jun Yin, Feizhou Lu, Chaojun Zheng, Hongli Wang, and Jianyuan Jiang. "The Quantitative Assessment of Imaging Features for the Study of Hirayama Disease Progression." BioMed Research International 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/803148.

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Objective.To evaluate the forward shifting of cervical spinal cords in different segments of patients with Hirayama disease to determine whether the disease is self-limiting.Methods.This study was performed on 11 healthy subjects and 64 patients. According to the duration, the patients were divided into 5 groups (≤1 year, 1-2 years, 2-3 years, 3-4 years, and ≥4 years). Cervical magnetic resonance imaging (MRI) of flexion and conventional position was performed. The distances between the posterior edge of the spinal cord and the cervical spinal canal (X), the anterior and posterior wall of the
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37

Shah, Neil V., John J. Kelly, Aakash M. Patel, Colin M. White, Michael R. Hausman, and Steven M. Koehler. "Elbow Flexion Reanimation." JBJS Reviews 7, no. 9 (2019): e3-e3. http://dx.doi.org/10.2106/jbjs.rvw.18.00194.

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38

Mii, Kimihiko, Satoru Shimizu, Chihiko Tanaka, Kuniaki Matsumori, Kazuko Hasegawa, and Yoshikazu Mizoi. "Thoracic flexion myelopathy." Journal of Neurosurgery 82, no. 6 (1995): 1059–61. http://dx.doi.org/10.3171/jns.1995.82.6.1059.

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✓ A case of thoracic flexion myelopathy is reported in a 36-year-old man. The patient had a history of gradually progressing transverse thoracic myelopathy. Conventional myelography in the neutral position failed to reveal cord compression; however, a severe block of the dye column was evident on studies in the flexed position. Excellent recovery from this condition was obtained with posterolateral fusion of the thoracic spine in the neutral position.
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Cianfoni, Alessandro, Marco Luigetti, Maria Vittoria Spampinato, and Stephen Kinsman. "Hirayama flexion myelopathy." Acta Neurologica Belgica 113, no. 4 (2012): 543–44. http://dx.doi.org/10.1007/s13760-012-0167-1.

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40

JENKINS, M., H. B. BAMBERGER, L. BLACK, and R. NOWINSKI. "Thumb Joint Flexion." Journal of Hand Surgery 23, no. 6 (1998): 796–97. http://dx.doi.org/10.1016/s0266-7681(98)80100-9.

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The purpose of this study was to measure the amount of active flexion from a neutral position in normal thumb metacarpophalangeal and interphalangeal joints and compare the results with previously published reports. One hundred and nineteen subjects (238 thumbs) volunteered to have active flexion of the metacarpophalangeal (MP) and interphalangeal (IP) joints of the thumb measured with a computerized Greenleaf goniometer by a certified hand therapist. The mean MP flexion was 59° and IP flexion was 67°. The results of this study suggest that the accepted normal values of thumb flexion should be
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41

Bartlett, M. D. "HIP FLEXION CONTRACTURES." Journal of Pediatric Orthopaedics 6, no. 1 (1986): 117. http://dx.doi.org/10.1097/01241398-198601000-00043.

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Costa, B. A., D. Y. Nakamura, M. M. Pickens, M. B. Klein, and L. H. Engrav. "Digit Flexion Wrap." Journal of Burn Care & Research 27, Supplement (2006): S143. http://dx.doi.org/10.1097/01253092-200603001-00189.

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Jordan, Louis R., Jack L. Siegel, and Jane L. Olivo. "Early Flexion Routine." Clinical Orthopaedics and Related Research &NA;, no. 315 (1995): 231???233. http://dx.doi.org/10.1097/00003086-199506000-00025.

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Bacon, D. J., D. M. Goldberg, B. T. P. Rowe, and A. N. Taylor. "Weak gravitational flexion." Monthly Notices of the Royal Astronomical Society 365, no. 2 (2006): 414–28. http://dx.doi.org/10.1111/j.1365-2966.2005.09624.x.

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Petit, R. "Ostéotomies de flexion." Orthopedie Traumatologie 1, no. 3 (1991): 175–77. http://dx.doi.org/10.1007/bf01791543.

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BLAIR, VERA. "Flexion gap measurement." Journal of Hand Surgery 16, no. 2 (1991): 225. http://dx.doi.org/10.1016/0266-7681(91)90185-q.

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Lee, Bum-Sik, Jong-Min Kim, Sang-Jin Lee, et al. "High-flexion total knee arthroplasty improves flexion of stiff knees." Knee Surgery, Sports Traumatology, Arthroscopy 19, no. 6 (2010): 936–42. http://dx.doi.org/10.1007/s00167-010-1272-4.

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48

Carvalho, Humberto, Manuel Coelho E Silva, Enio Ronque, Rui Gonçalves, Renaat Philippaerts, and Robert Malina. "Assessment of Reliability in Isokinetic Testing Among Adolescent Basketball Players." Medicina 47, no. 8 (2011): 446. http://dx.doi.org/10.3390/medicina47080063.

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Background. The reproducibility of day-to-day testing of isokinetic concentric and eccentric muscular actions among adolescent basketball players aged 14 to 16 years and relationships of mean within-subject variation in two isokinetic testing sessions with chronological age, biological maturation (estimated age at peak height velocity), training experience, body size, lower-body morphology, and initial strength performance were evaluated. Material and Methods. The sample included 27 basketball players who completed replicate test sessions of 5 repetitions of reciprocal concentric and eccentric
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Steventon, Craig, and Gabriel Ng. "Effect of trunk flexion speed on flexion relaxation of erector spinae." Australian Journal of Physiotherapy 41, no. 4 (1995): 241–43. http://dx.doi.org/10.1016/s0004-9514(14)60432-3.

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Fess, Elaine Ewing. "Convergence points of normal fingers in individual flexion and simultaneous flexion." Journal of Hand Therapy 2, no. 1 (1989): 12–19. http://dx.doi.org/10.1016/s0894-1130(89)80005-5.

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