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P M Birgani, M Ashtiyani, A Rasooli, M Shahrokhnia, A Shahrokhi, M M Mirbagheri, P M Birgani, M Ashtiyani, A Rasooli, M Shahrokhnia, A Shahrokhi, M M Mirbagheri, A Shahrokhi, M Shahrokhnia, A Rasooli, M M Mirbagheri, P M Birgani, M Ashtiyani
We aimed to study the effects of an anti-gravity treadmill (AlterG) training on balance and postural stability in children with cerebral palsy (CP). AlterG training was performed 3 days/week for 8 weeks, with up to 45 minutes of training per session. The subject was evaluated before and after the 8-week training. The effects of training on the balance and postural stability was evaluated based on the Romberg test that was performed by using a posturography device. The parameters quantifying Center-of-Pressure (CoP) were calculated using different analytical approaches including power spectral density and principal components analyses...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Matthew B Cooke, Carrie Nix, Lori Greenwood, Mike Greenwood
The incidence of muscle injuries is prevalent in elite sport athletes as well as weekend warriors and strategies that safely and effectively hasten recovery are highly desirable. The purpose of this study was to examine the differences between three recovery methods after eliciting muscle damage in recreationally active men relative to maximal isokinetic contractions, perceived muscle soreness and psychological mood states. Twenty-five recreationally active men (22.15±3.53yrs, 75.75±11.91kg, 180.52±7.3cm) were randomly matched by VO2 peak (53...
November 28, 2016: Journal of Strength and Conditioning Research
Claudia L Craven, Ahmed K Toma, Laurence D Watkins
The ever present need to balance over drainage with under drainage in hydrocephalus has required innovations including adjustable valves with antigravity devices. These are activated in the vertical position to prevent siphoning. We describe a group of bedridden patients who presented with unexplained under drainage caused by activation of antigravity shunt components produced by peculiar head/body position. Retrospective single centre case series of hydrocephalus patients, treated with ventriculo-peritoneal (VP) shunt insertion between April 2014 - February 2016...
March 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Angelo G Aulisa, Francesco Falciglia, Marco Giordano, Giuseppe Mastantuoni, Andrea Poscia, Vincenzo Guzzanti
BACKGROUND: Conservative treatment in the Scheuermann's kyphosis obtain, during skeletal growth, remodelling of the deformed vertebras. In a previous paper on Scheuermann's kyphosis, we have studied the geometry variations of all vertebrae included in the curve, before and after the treatment. The purpose of this study was to confirm the effectiveness of conservative treatment in Scheuermann's kyphosis and was to evaluate and compare the variation of the vertebral geometry with the curve trend in Cobb degrees, before and after conservative treatment...
2016: Scoliosis and Spinal Disorders
Takeshi Shimoide, Naoyuki Kawao, Yukinori Tamura, Hironobu Morita, Hiroshi Kaji
Skeletal muscle hypertrophy and wasting are induced by hypergravity and microgravity, respectively. However, the mechanisms by which gravity change regulates muscle mass still remain unclear. We previously reported that hypergravity increases muscle mass via the vestibular system in mice. In this study, we performed comparative DNA microarray analysis of the soleus muscle from mice kept in 1 or 3 g environments with or without vestibular lesions. Mice were kept in 1 g or 3 g environment for 4 weeks by using a centrifuge 14 days after surgical bilateral vestibular lesions...
October 21, 2016: Biochemical and Biophysical Research Communications
Matthew F Moran, Brendan J Rickert, Beau K Greer
CONTEXT: Treadmills that unload runners via a differential air pressure bladder (DAP; e.g. AlterG Anti-Gravity Treadmill) are commonly used to reduce effective body weight in a clinical setting, however, the relationship between the level of unloading and tibial stress is currently unknown. OBJECTIVE: To determine the relationship between tibial impact acceleration and level of body weight (BW) unloading during running. DESIGN: Cross-sectional...
August 24, 2016: Journal of Sport Rehabilitation
Liang Hu, Lei Wang, Yujie Ding, Shihui Zhan, Jing Liu
Liquid metals (LMs) in an alkaline electrolyte, when placed on a graphite surface, are able to be manipulated into desired flat, stable shapes with sharp angles, like triangles. Unique transformations and worm-like anti-gravity upslope LM locomotion under a low-voltage electric field are also revealed.
August 29, 2016: Advanced Materials
William D Bugbee, Pamela A Pulido, Timothy Goldberg, Darryl D D'Lima
The objective was to determine the safety, feasibility, and effects of anti-gravity gait training on functional outcomes (Knee Injury and Osteoarthritis Outcome Score [KOOS], the Timed Up and Go test [TUG], Numerical Rating Scale [NRS] for pain) with the AlterG® Anti-Gravity Treadmill® device for total knee arthroplasty (TKA) rehabilitation. Subjects (N = 30) were randomized to land-based vs anti-gravity gait training over 4 weeks of physical therapy after TKA. Adverse events, complications, and therapist satisfaction were recorded...
May 2016: American Journal of Orthopedics
Ciaran M Fairman, Kristina L Kendall, Brandonn S Harris, Kenneth J Crandall, Jim McMillan
Breast Cancer survivors can experience a myriad of physical and psychological benefits as a result of regular exercise. This study aimed to build on previous research using lower impact exercise programs by using an antigravity (Alter-G(®)) treadmill to administer cardiovascular training. The purpose of this study was to determine the effectiveness a physical activity program, including an Alter-G(®) treadmill, for improving physiological and psychosocial measures in female breast cancer survivors. A 14-week intervention using an AB-AB study design was employed...
2016: International Journal of Exercise Science
H J Jiang, J M Zhang, W M Fu, Z Zheng, W Luo, Y X Zheng, J M Zhu
OBJECTIVE: To investigate some important issues for diagnosis and treatment of idiopathic normal-pressure hydrocephalus (iNPH), such as standardized pre-operative assessment, initial pressure value of diverter pump, and pressure regulation during follow-up. METHODS: Twenty six iNPH patients (21 males) who treated in Department of Neurosurgery of 2nd Affiliated Hospital of Zhejiang University School of Medicine from 2011 to 2015 were analyzed retrospectively. The average age was 60...
June 7, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Mamiko Koshiba, Genta Karino, Koki Mimura, Shun Nakamura, Kunio Yui, Tetsuya Kunikata, Hideo Yamanouchi
Educational treatment to support social development of children with autism spectrum disorder (ASD) is an important topic in developmental psychiatry. However, it remains difficult to objectively quantify the socio-emotional development of ASD children. To address this problem, we developed a novel analytical method that assesses subjects' complex behaviors using multivariate analysis, 'Behavior Output analysis for Quantitative Emotional State Translation' (BOUQUET). Here, we examine the potential for psycho-cognitive ASD therapy based on comparative evaluations of clinical (human) and experimental (animal) models...
2016: CNS & Neurological Disorders Drug Targets
Bente R Jensen, Line Hovgaard-Hansen, Katrine L Cappelen
Running on a lower-body positive-pressure (LBPP) treadmill allows effects of weight support on leg muscle activation to be assessed systematically, and has the potential to facilitate rehabilitation and prevent overloading. The aim was to study the effect of running with weight support on leg muscle activation and to estimate relative knee and ankle joint forces. Runners performed 6-min running sessions at 2.22 m/s and 3.33 m/s, at 100%, 80%, 60%, 40%, and 20% body weight (BW). Surface electromyography, ground reaction force, and running characteristics were measured...
August 2016: Journal of Applied Biomechanics
Joachim von Zitzewitz, Leonie Asboth, Nicolas Fumeaux, Alexander Hasse, Laetitia Baud, Heike Vallery, Grégoire Courtine
OBJECTIVES: We aimed to develop a robotic interface capable of providing finely-tuned, multidirectional trunk assistance adjusted in real-time during unconstrained locomotion in rats and mice. APPROACH: We interfaced a large-scale robotic structure actuated in four degrees of freedom to exchangeable attachment modules exhibiting selective compliance along distinct directions. This combination allowed high-precision force and torque control in multiple directions over a large workspace...
April 2016: Journal of Neural Engineering
Matthew F Moran, Brendan J Rickert, Beau K Greer
CONTEXT: Treadmills that unload runners via a differential air pressure bladder (DAP; e.g. AlterG Anti-Gravity Treadmill) are commonly used to reduce effective body weight in a clinical setting, however, the relationship between the level of unloading and tibial stress is currently unknown. OBJECTIVE: To determine the relationship between tibial impact acceleration and level of body weight (BW) unloading during running. DESIGN: Cross-sectional...
January 18, 2016: Journal of Sport Rehabilitation
Bente R Jensen, Martin P Berthelsen, Edith Husu, Sofie B Christensen, Kira P Prahm, John Vissing
INTRODUCTION: We studied the functional effects of combined strength and aerobic anti-gravity training in severely affected patients with Becker and Limb-Girdle muscular dystrophies. METHODS: Eight patients performed 10-week progressive combined strength (squats, calf raises, lunges) and aerobic (walk/run, jogging in place or high knee-lift) training 3 times/week in a lower-body positive pressure environment. Closed-kinetic-chain leg muscle strength, isometric knee strength, rate of force development (RFD), and reaction time were evaluated...
August 2016: Muscle & Nerve
Margaret Gunn, Tracy Shank, Marissa Eppes, Jobayer Hossain, Tariq Rahman
This paper presents the results of an online survey conducted with users of a functional upper extremity orthosis called the WREX (Wilmington Robotic EXoskeleton). The WREX is a passive anti-gravity arm orthosis that allows people with neuromuscular disabilities to move their arms in three dimensions. The paper also describes the design of a novel lightweight 3-D printed WREX used for ambulatory children. Three different versions of the WREX are now offered to patients. Two can be mounted on a wheelchair and one to a body jacket for ambulatory patients...
October 26, 2015: IEEE Transactions on Neural Systems and Rehabilitation Engineering
Anne Sofie B Malling, Bente R Jensen
Recent studies indicate that the effect of training on motor performance in persons with Parkinson's disease (PDP) is dependent on motor intensity. However, training of high motor intensity can be hard to apply in PDP due to e.g. bradykinesia, rigidity, tremor and postural instability. Therefore, the aim was to study the effect of motor intensive training performed in a safe anti-gravity environment using lower-body positive pressure (LBPP) technology on performance during dynamic balance related tasks. Thirteen male PDP went through an 8-week control period followed by 8 weeks of motor intensive antigravity training...
January 2016: Gait & Posture
Noortje H Rijken, Baziel G van Engelen, Vivian Weerdesteyn, Alexander C Geurts
OBJECTIVE: To evaluate the construct validity and interrater reliability of 4 simple antigravity tests in a small group of patients with facioscapulohumeral muscular dystrophy (FSHD). DESIGN: Case-control study. SETTING: University medical center. PARTICIPANTS: Patients with various severity levels of FSHD (n=9) and healthy control subjects (n=10) were included (N=19). INTERVENTIONS: Not applicable...
December 2015: Archives of Physical Medicine and Rehabilitation
Philippe Decocq, Jacques Honoré, Catherine Auclair-Assaad, Henrique Sequeira, Emmanuelle Bocquet
Cephalometric parameters are thought to influence static posture. The present work evaluates the relationships between skeletal class or facial divergency, on one hand, and body posture, on the other hand. ANB and FMA angles were measured from profile cephalograms in twenty healthy adults. From each, stabilograms were recorded, with eyes open or shut, and with or without disclusion splints. Without splints, ANB and FMA proved to correlate with the accuracy of postural control. Adding splints changes the average position of the center of pressure exerted on the ground by the body, the anterior-posterior axis, and this effect is consistent with that of the typology...
June 2015: L' Orthodontie Française
David K P McNeill, John R Kline, Hendrick D de Heer, J Richard Coast
Lower body positive pressure (LBPP), or 'anti-gravity' treadmills® have become increasingly popular among elite distance runners. However, to date, few studies have assessed the effect of body weight support (BWS) on the metabolic cost of running among elite runners. This study evaluated how BWS influenced the relationship between velocity and metabolic cost among 6 elite male distance runners. Participants ran three- 16 minute tests consisting of 4 stages of 4 minutes at 8, 7, 6 and 5 min·mile(-1) pace (3...
June 2015: Journal of Sports Science & Medicine
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