Academic literature on the topic 'Hip Muscle Activation'

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Journal articles on the topic "Hip Muscle Activation"

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Liu, Yali, Ligang Qiang, Qiuzhi Song, Mingsheng Zhao, and Xinyu Guan. "Effects of Backpack Loads on Leg Muscle Activation during Slope Walking." Applied Sciences 10, no. 14 (2020): 4890. http://dx.doi.org/10.3390/app10144890.

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Hikers and soldiers usually walk up and down slopes with a load carriage, causing injuries of the musculoskeletal system, especially during a prolonged load journey. The slope walking has been reported to lead to higher leg extensor muscle activities and joint moments. However, most of the studies investigated muscle activities or joint moments during slope walking without load carriage or only investigated the joint moment changes and muscle activities with load carriages during level walking. Whether the muscle activation such as the signal amplitude is influenced by the mixed factor of load
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Sutherlin, Mark A., and Joseph M. Hart. "Hip-Abduction Torque and Muscle Activation in People With Low Back Pain." Journal of Sport Rehabilitation 24, no. 1 (2015): 51–61. http://dx.doi.org/10.1123/jsr.2013-0112.

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Context:Individuals with a history of low back pain (LBP) may present with decreased hip-abduction strength and increased trunk or gluteus maximus (GMax) fatigability. However, the effect of hip-abduction exercise on hip-muscle function has not been previously reported.Objective:To compare hip-abduction torque and muscle activation of the hip, thigh, and trunk between individuals with and without a history of LBP during repeated bouts of side-lying hip-abduction exercise.Design:Repeated measures.Setting:Clinical laboratory.Participants:12 individuals with a history of LBP and 12 controls.Inter
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Karahan, Menekşe, and Bülent Sabri Cığalı. "Assessment of hip muscles by surface EMG in gait analysis." Anatomy 14, no. 2 (2020): 86–90. http://dx.doi.org/10.2399/ana.20.039.

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Objectives: The rectus femoris muscle flexes the thigh, while the gluteus maximus muscle extends it. Understanding the activations of these two muscles that function in opposition to each other during walking facilitates the interpretation of gait pathologies. The aim of this study was to evaluate the activations of these muscles during walking by using the surface electromyography (EMG) technique. Methods: Twenty female volunteers aged 18–26 years participated in our study. The electrical activation of the rectus femoris and gluteus maximus muscles of the participants was simultaneously evalu
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Lewis, Cara L., and Shirley A. Sahrmann. "Muscle Activation and Movement Patterns During Prone Hip Extension Exercise in Women." Journal of Athletic Training 44, no. 3 (2009): 238–48. http://dx.doi.org/10.4085/1062-6050-44.3.238.

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Abstract Context: The consistency of muscle activation order during prone hip extension has been debated. Objective: To investigate whether women use a consistent and distinguishable muscle activation order when extending the hip while prone and to explore the effects of verbal cues on muscle activation and movement. Design: Single-session, repeated-measures design. Setting: University laboratory. Patients or Other Participants: Eleven healthy women (age = 27.7 ± 6.2 years [range, 22–37 years]). Intervention(s): We tested the participants under 3 conditions: no cues, cues to contract the glute
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Boudreau, Samantha N., Maureen K. Dwyer, Carl G. Mattacola, Christian Lattermann, Tim L. Uhl, and Jennifer Medina McKeon. "Hip-Muscle Activation during the Lunge, Single-Leg Squat, and Step-Up-and-Over Exercises." Journal of Sport Rehabilitation 18, no. 1 (2009): 91–103. http://dx.doi.org/10.1123/jsr.18.1.91.

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Context:Functional exercises are often used in strengthening programs after lower extremity injury. Activation levels of the stabilizing hip muscles have not been documented.Objective:To document the progression of hip-muscle activation levels during 3 lower extremity functional exercises.Design:Cross-sectional.Setting:Laboratory.Participants:44 healthy individuals, 22 women and 22 men.Intervention:Subjects, in 1 testing session, completed 3 trials each of the lunge (LUN), single-leg squat (SLSQ), and step-up-and-over (SUO) exercise.Main Outcome Measures:Root-mean-square muscle amplitude (% re
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Stanek, Justin M., Todd A. McLoda, Val J. Csiszer, and A. J. Hansen. "Hip- and Trunk-Muscle Activation Patterns During Perturbed Gait." Journal of Sport Rehabilitation 20, no. 3 (2011): 287–95. http://dx.doi.org/10.1123/jsr.20.3.287.

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Context:Selected muscles in the kinetic chain may help explain the body’s ability to avert injury during unexpected perturbation.Objective:To determine the activation of the ipsilateral rectus femoris (RF), gluteus maximus (MA), gluteus medius (ME), and contralateral external obliques (EO) during normal and perturbed gait.Design:Single-factor, repeated measures.Setting:University research laboratory.Participants:32 physically active, college-age subjects.Intervention:Subjects walked a total of 20 trials the length of a 6.1-m custom runway capable of releasing either side into 30° of unexpected
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Jeong, Jiyoung, Dai-Hyuk Choi, and Choongsoo S. Shin. "Core Strength Training Can Alter Neuromuscular and Biomechanical Risk Factors for Anterior Cruciate Ligament Injury." American Journal of Sports Medicine 49, no. 1 (2020): 183–92. http://dx.doi.org/10.1177/0363546520972990.

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Background: Core stability is influential in the incidence of lower extremity injuries, including anterior cruciate ligament (ACL) injuries, but the effects of core strength training on the risk for ACL injury remain unclear. Hypothesis: Core muscle strength training increases the knee flexion angle, hamstring to quadriceps (H:Q) coactivation ratio, and vastus medialis to vastus lateralis (VM:VL) muscle activation ratio, as well as decreases the hip adduction, knee valgus, and tibial internal rotation angles. Study Design: Controlled laboratory study. Methods: A total of 48 male participants w
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Wade, Logan, Glen A. Lichtwark, and Dominic J. Farris. "Joint and muscle-tendon coordination strategies during submaximal jumping." Journal of Applied Physiology 128, no. 3 (2020): 596–603. http://dx.doi.org/10.1152/japplphysiol.00293.2019.

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Previous research has demonstrated that during submaximal jumping humans prioritize reducing energy consumption by minimizing countermovement depth. However, sometimes movement is constrained to a nonpreferred pattern, and this requires adaptation of neural control that accounts for complex interactions between muscle architecture, muscle properties, and task demands. This study compared submaximal jumping with either a preferred or a deep countermovement depth to examine how joint and muscle mechanics are integrated into the adaptation of coordination strategies in the deep condition. Three-d
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Prosser, Laura A., Samuel C. K. Lee, Ann F. VanSant, Mary F. Barbe, and Richard T. Lauer. "Trunk and Hip Muscle Activation Patterns Are Different During Walking in Young Children With and Without Cerebral Palsy." Physical Therapy 90, no. 7 (2010): 986–97. http://dx.doi.org/10.2522/ptj.20090161.

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Background Poor control of postural muscles is a primary impairment in people with cerebral palsy (CP). Objective The purpose of this study was to investigate differences in the timing characteristics of trunk and hip muscle activity during walking in young children with CP compared with children with typical development (TD). Methods Thirty-one children (16 with TD, 15 with CP) with an average of 28.5 months of walking experience participated in this observational study. Electromyographic data were collected from 16 trunk and hip muscles as participants walked at a self-selected pace. A custo
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O’Dwyer, Catriona, David Sainsbury, and Kieran O’Sullivan. "Gluteus Medius Muscle Activation During Isometric Muscle Contractions." Journal of Sport Rehabilitation 20, no. 2 (2011): 174–86. http://dx.doi.org/10.1123/jsr.20.2.174.

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Context:Functional subdivisions are proposed to exist in the gluteus medius (GM) muscle. Dysfunction of the GM, in particular its functional subdivisions, is commonly implicated in lower limb pathologies. However, there is a lack of empirical evidence examining the role of the subdivisions of the GM.Objectives:To compare the activation of the functional subdivisions of the GM (anterior, middle, and posterior) during isometric hip contractions.Design:Single-session, repeated-measures observational study.Setting:University research laboratory.Participants:Convenience sample of 15 healthy, pain-f
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Dissertations / Theses on the topic "Hip Muscle Activation"

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Hannigan, James. "Neuromuscular Control of the Hip, Pelvis, and Trunk During Running." Thesis, University of Oregon, 2018. http://hdl.handle.net/1794/23111.

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Patellofemoral pain syndrome (PFPS) is the most common injury in runners and has a significant female sex bias. Current evidence suggests that several proximal factors, including hip muscle strength, hip muscle activation, and hip kinematics during running, play a large role in the development of PFPS, particularly in females. However, the relationships between these variables are unclear. A better understanding of these relationships in both males and females could help clinicians develop targeted interventions for this syndrome. Thus, this dissertation is comprised of four studies aimed
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Lothery, Natasha D. "Muscle activation of the lumbar and hip extensors during the hyperextension and reverse hyperextension exercises." Virtual Press, 2004. http://liblink.bsu.edu/uhtbin/catkey/1306854.

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The purpose of this study was to investigate the differences in muscle activity of the lumbar and pelvic extensor muscles during the hyperextension and reverse hyperextension exercises. Fifteen healthy and weight-trained volunteers (8 women, 7 men) were recruited from a university setting. Electromyographic (EMG) activity of selected hip and trunk extensor muscles was recorded during the execution of a hyperextension and a reverse hyperextension. Three muscles were analyzed: lumbar erector spinae (ES), biceps femoris (BF) and gluteus maximus (GM). The amount of external load used by each indiv
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Herö, Johan, and Niklas Andersson. "A New Training Device To Optimize Muscle Activation Of The Gluteus Medius During Progressive Hip Flexion." Thesis, Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-15746.

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Abstract Background: The Gluteus Medius (GM) muscle has an important role in stabilizing the pelvis and controlling the knees during athletic activities. Weakness in the GM can affect performance negatively and increase the risk of lower extremity (LE) injuries. During functional activities different parts of the muscle becomes activated depending on the degree of hip flexion. However, many GM strength exercises only train the GM in one fixed degree of hip flexion. Purpose: The purpose of the present study was to develop and validate a new training device designed to increase the muscle activa
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Reynolds, Abby Mae. "The Relationship of Static and Dynamic Hip Muscle Activation on Running Related Injury Rates in Recreational Runners." Thesis, North Dakota State University, 2016. https://hdl.handle.net/10365/28015.

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Running has become an increasingly popular sport and research is necessary to examine the variables associated with running related injury. The purpose of this study was to analyze the overall relationship between static and dynamic hip strength and the rate of running related lower limb injuries in recreational runners. In addition, gender differences in hip muscle activation were analyzed. Surface electromyography was used to quantify static and dynamic hip muscle activation. Statistically significant decreases in muscle activation were observed in the one-mile testing period in both genders
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Zambarano, Erika. "Relationship between Lumbo-Pelvic-Hip Complex Muscle Activation and Lower Limb Biomechanics During Functional Tasks Before and After Fatigue." University of Toledo / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1556714223643855.

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Kinder, Jessica Marie. "The Relationship of Hip Muscle Activation and the Incidence of Shoulder Injury in Collegiate Women's Volleyball Athletes: A Pilot Study." Thesis, North Dakota State University, 2018. https://hdl.handle.net/10365/28776.

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Previous studies have indicated weak hip muscle activation in baseball pitchers leads to an increased incidence of shoulder injuries. This relationship, however, has not been explored in other overhead athletes, such as volleyball players. Surface electromyography (EMG) was used to evaluate each participant?s muscle activation during five dynamic activities. Dynamic activity was normalized according to MMTs for the rectus femoris, biceps femoris, gluteus maximus, and gluteus medius. The GMed during the eccentric box jump was statistically significant for position where setters showed the great
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Brandão, Alexandre. "Avaliação da atividade muscular do vasto medial oblíquo em diferentes exercícios." Bachelor's thesis, [s.n.], 2016. http://hdl.handle.net/10284/5740.

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Projeto de Graduação apresentado à Universidade Fernando Pessoa como parte dos requisitos para obtenção do grau de Licenciado em Fisioterapia<br>Objetivo: Avaliar a influência da superfície de apoio, da adição de componente de adução e da visão, na atividade electromiográfica do vasto medial oblíquo, do vasto lateral, do reto femoral, do semimembranoso, do bicípite femoral e do glúteo máximo durante uma tarefa de agachamento. Metodologia: Este estudo contou com 18 participantes com médias de idades de 24,33±2,68. A ativação electromiográfica foi avaliada e analisada nas diferentes condiçõe
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Thomas, Amandine. "Hypoxie intermittente et homéostasie glucidique : étude des mécanismes d'action cellulaire A hybrid model to study pathological mutations of the human ADP/ATP carriers Visceral white fat remodeling contributes to intermittent hypoxia-induced atherogenesis The insulin sensitizing effect of topiramate involves KATP channel activation in the central nervous system The Impact of Sleep Disorders on Glucose Metabolism: Endocrine and Molecular Mechanisms Endoplasmic reticulum stress as a novel inducer of hypoxia inducible factor-1 activity: its role in the susceptibility to myocardial ischemia-reperfusion induced by chronic intermittent hypoxia Chronic intermittent hypoxia improves whole-body glucose tolerance by activating skeletal muscle AMP-activated protein kinase in mice Prolyl-4-hydroxylase 1 (PHD1) deficiency impairs whole-body glucose tolerance and insulin sensitivity in mice but does not worsen high-fat diet-induced metabolic dysfunctions Specific transcriptomic signature in response to intermittent hypoxia exposure in liver and fat tissue." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAV044.

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L'hypoxie intermittente (HI), induite par les apnées du sommeil, conduit à des altérations de la sensibilité à l'insuline et de l'homéostasie glucidique mais les mécanismes impliqués restent mal connus. L'objectif de ce travail était d'étudier les effets et les mécanismes sous jacents d'une exposition chronique à l'HI sur l'homéostasie glucidique. L'HI induit une résistance à l'insuline à la fois systémique et tissulaire, ainsi qu'une amélioration de la tolérance au glucose associée à une activation de l'AMPK musculaire. L'HI cause également des altérations du foie et du tissu adipeux associée
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Sieve, Kimberly Sue. "Electromyography measures of gluteus and hip muscle activation of recreational athletes during non-weight-bearing exercises." 2007. http://www.oregonpdf.org.

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Thesis (M.S.)--Michigan State University, 2007.<br>Includes bibliographical references (leaves 63-66). Also available online (PDF file) by a subscription to the set or by purchasing the individual file.
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Freeman, Stephanie. "Can Altering Hip Joint Fluid Volume and Intra-Capsular Pressure Influence Muscle Activation Patterns? Neuromuscular Implications on Clinical Practice." Thesis, 2011. http://hdl.handle.net/10012/5913.

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Although the integrated relationship that exists between the lumbar spine and hip joints is frequently acknowledged in scientific journals and by medical professionals, specific functional and injury relationships, are speculative and have not been substantiated. Lumbar spine and hip dysfunctions are suspected to be associated with inhibition of the surrounding extensor musculature, particularly the gluteal muscles, and facilitation of the flexor musculature. This phenomenon has been observed in other joints following effusion and is often termed ‘arthrogenic inhibition’. Its apparent occurren
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Conference papers on the topic "Hip Muscle Activation"

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Chang, Chia-Yuan, Jonathan D. Rupp, Matthew P. Reed, Richard E. Hughes, and Lawrence W. Schneider. "Predicting the Effects of Muscle Activation on Knee, Thigh, and Hip Injuries in Frontal Crashes Using a Finite-Element Model with Muscle Forces from Subject Testing and Musculoskeletal Modeling." In 53rd Stapp Car Crash Conference. SAE International, 2009. http://dx.doi.org/10.4271/2009-22-0011.

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Ueda, Jun, Moiz Hyderabadwala, Ming Ding, Tsukasa Ogasawara, Vijaya Krishnamoorthy, and Minoru Shinohara. "Individual Muscle Control Using an Exoskeleton Robot for Muscle Function Testing." In ASME 2009 Dynamic Systems and Control Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/dscc2009-2675.

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A functionality test at the level of individual muscles by investigating the activity of a muscle of interest on various tasks may enable muscle-level force grading. This paper proposes a new method for muscle function tests using an exoskeleton robot for obtaining a wider variety of muscle activity data than standard motor tasks, e.g., pushing a handle by his/her hand. A computational algorithm systematically computes control commands to a wearable robot with actuators (an exoskeleton robot, or a power-assisting device) so that a desired muscle activation pattern for target muscle forces is i
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Remels, Alexander, Harry Gosker, Koen Verhees, Ramon Langen та Annemie Schols. "TNF-α-induced NF-κB activation stimulates skeletal muscle glycolytic metabolism through activation of HIF-1α". У Annual Congress 2015. European Respiratory Society, 2015. http://dx.doi.org/10.1183/13993003.congress-2015.pa877.

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Castagneri, C., V. Agostini, S. Rosati, G. Balestra, and M. Knaflitz. "Longitudinal assessment of muscle function after Total Hip Arthroplasty : Use of clustering to extract principal activations from EMG signals." In 2018 IEEE International Symposium on Medical Measurements and Applications (MeMeA). IEEE, 2018. http://dx.doi.org/10.1109/memea.2018.8438802.

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Duan, Shanzhong Shawn, and Keith M. Baumgarten. "A Computational Model of Scapulo-Humeral-Clavicle Complex via Multibody Dynamics." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12659.

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The shoulder-upper arm complex has the most mobile joint in the body and is composed of three main bones: the collarbone (clavicle), the shoulder blade (scapula), and the upper arm bone (humerus). The shoulder joint is a non-concentric ball and socket joint. It differs from the hip, a highly stabilized, concentric ball and socket joint, that is constrained mostly by its osseous anatomy. Thus, the shoulder has more flexibility and less inherent stability than the hip because it is mainly stabilized by muscles, tendons, and ligaments. The relative decrease in stability of the shoulder compared t
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Tomasi, Matilde, and Alessio Artoni. "Muscle Contracture Modeling and Optimal Control for Crouch Gait Prediction." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22528.

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Abstract Prediction of human movement, and especially of pathological gait, is nowadays an important and mostly unsolved research challenge. In this work, a recently developed computational framework based on optimal control was adopted and explored to assess its potential for predicting a pathological gait pattern, in particular the crouch gait typical of subjects affected by cerebral palsy. To this end, the generic musculoskeletal model on which this optimal control framework is based was made representative of such pathological case by modeling contracture of relevant muscle groups commonly
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Park, Joon-Hyuk, Paul Stegall, Damiano Zanotto, Vineet Vashista, Xin Jin, and Sunil K. Agrawal. "Design of the Second Spine: A Secondary Pathway to Transfer Loads From the Shoulders to the Pelvis." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12795.

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The Second Spine is a vest intended to prevent musculoskeletal injuries caused by heavy backpack loads, while also maintaining the range of motion of the wearer. The vest is formed by multiple segments between the shoulder and a pelvic belt. In normal “off” configuration, the segments are disconnected from each other and the vest is flexible providing full range of motion to the upper body. With the pull of a string in the “on” configuration, the vest becomes semi-rigid creating a secondary pathway to transfer loads between the shoulder and a pelvic belt. The device was evaluated by a subject
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Toth, PT, HJ Zhang, J. Rehman, Y. Zhang, and SL Archer. "HIF-1alpha Activation by Cobalt Results in Hyperpolarization and Fragmentation of the Mitochondrial Network in Pulmonary Artery Smooth Muscle Cells and Thus Mimics a “Pulmonary Arterial Hypertension” Phenotype." In American Thoracic Society 2009 International Conference, May 15-20, 2009 • San Diego, California. American Thoracic Society, 2009. http://dx.doi.org/10.1164/ajrccm-conference.2009.179.1_meetingabstracts.a1859.

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