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Alter-G Treadmill

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https://www.readbyqxmd.com/read/28288613/outcome-of-patients-after-lower-limb-fracture-with-partial-weight-bearing-postoperatively-treated-with-or-without-anti-gravity-treadmill-alter-g%C3%A2-during-six-weeks-of-rehabilitation-a-protocol-of-a-prospective-randomized-trial
#1
Ralf Henkelmann, Sebastian Schneider, Daniel Müller, Ralf Gahr, Christoph Josten, Jörg Böhme
BACKGROUND: Partial or complete immobilization leads to different adjustment processes like higher risk of muscle atrophy or a decrease of general performance. The present study is designed to prove efficacy of the anti-gravity treadmill (alter G®) compared to a standard rehabilitation protocol in patients with tibial plateau (group 1)or ankle fractures (group 2) with six weeks of partial weight bearing of 20 kg. METHODS AND DESIGN: This prospective randomized study will include a total of 60 patients for each group according to predefined inclusion and exclusion criteria...
March 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28243471/a-single-dose-of-beetroot-gel-rich-in-nitrate-does-not-improve-performance-but-lowers-blood-glucose-in-physically-active-individuals
#2
Julia Vasconcellos, Diego Henrique Silvestre, Diego Dos Santos Baião, João Pedro Werneck-de-Castro, Thiago Silveira Alvares, Vânia M Flosi Paschoalin
Background. Beetroot consumption has been proposed to improve exercise performance, since the nitrate content of this food is able to stimulate the synthesis of nitric oxide. Objective. The acute effect of 100 g of a beetroot gel containing ~10 mmol of nitrate was tested on the nitric oxide synthesis, on metabolic and biochemical parameters, and on performance in physically active individuals. Methods. Through a double blind, crossover, placebo-controlled study, 25 healthy runners ingested a single dose of beetroot and placebo gels...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28236090/introducing-a-psychological-postural-threat-alters-gait-and-balance-parameters-among-young-participants-but-not-among-most-older-participants
#3
Lucie Dubreucq, Aurélie Mereu, Gabrielle Blanc, Johanne Filiatrault, Cyril Duclos
The fear of falling can be manipulated by introducing a postural threat (e.g., an elevated support surface) during stance and gait. Under these conditions, balance parameters are altered in both young and elderly individuals. This study aimed to dissociate the physical and psychological aspects of the threat and show the impact of a verbal warning cue of imminent perturbation during gait among young and elderly healthy participants. Ten young subjects (29.4 ± 3.9 years) and ten subjects aged over 65 years (72...
February 24, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28177724/dose-dependent-decrease-in-mortality-with-no-cognitive-or-muscle-function-improvements-due-to-dietary-egcg-supplementation-in-aged-mice
#4
Brandt D Pence, Tushar K Bhattacharya, Pul Park, Jennifer L Rytych, Jacob M Allen, Yi Sun, Robert H McCusker, Keith W Kelley, Rodney W Johnson, Justin S Rhodes, Jeffrey A Woods
We have previously shown that a diet containing epigallocatechin gallate (EGCG) and beta-alanine is not effective in improving either cognitive or muscle function in aged (18 month) mice (Gibbons et al., Behav. Brain Res., 2014, 272:131-140; Pence et al., Appl. Physiol. Nutr. Metab., 2016, 41(2): 181-190). However, this diet reduced oxidative stress in the brain, and previous studies using longer term interventions and other doses have documented beneficial effects in cognitive and muscle function, especially with EGCG...
January 5, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28064384/gut-microbiota-composition-associated-with-alterations-in-cardiorespiratory-fitness-and-psychosocial-outcomes-among-breast-cancer-survivors
#5
Jesseca A Paulsen, Travis S Ptacek, Stephen J Carter, Nianjun Liu, Ranjit Kumar, LaKeshia Hyndman, Elliot J Lefkowitz, Casey D Morrow, Laura Q Rogers
PURPOSE: In this proof-of-concept pilot study, our purpose was to determine correlations between gut microbiota composition and alterations in cardiorespiratory fitness and psychosocial outcomes among post-primary treatment breast cancer survivors (BCS). METHODS: Composition of the gut microbiota in BCS (n = 12) was assessed at baseline (M0) and at the end of 3 months (M3) using Illumina MiSeq DNA Sequencing of the 16S rRNA gene. Gut microbiota composition was analyzed using the QIIME bioinformatics software and represented through diversity metrics and taxa analyses...
January 7, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/27984075/moderate-aerobic-exercise-on-the-recovery-phase-of-gentamicin-induced-acute-kidney-injury-in-rats
#6
C S Oliveira, A M Rodrigues, G B Nogueira, M A Nascimento, G R Punaro, E M S Higa
INTRODUCTION: Acute kidney injury is a serious public health problem, especially in intensive care units, where patients may require dialysis support, resulting in 50% mortality. AIM: To evaluate the effects of moderate aerobic exercise on the recovery phase of acute kidney injury induced by gentamicin in rats. MAIN METHODS: Male adult Wistar rats were allocated into 4 groups: W10+R30, G10+R30, W10+EX30 and G10+EX30; W10 received water (gentamicin vehicle) and G10 received gentamicin for 10days; R30 remained resting and EX30 made exercise for 30days after gentamicin suspension...
January 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/27941488/no-differences-between-alter-g-trainer-and-active-and-passive-recovery-strategies-on-isokinetic-strength-systemic-oxidative-stress-and-perceived-muscle-soreness-after-exercise-induced-muscle-damage
#7
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
https://www.readbyqxmd.com/read/27852157/acute-and-chronic-effects-of-aquatic-treadmill-training-on-land-treadmill-running-kinematics-a-cross-over-and-single-subject-design-approach
#8
Eadric Bressel, Talin J Louder, James P Hoover, Luke C Roberts, Dennis G Dolny
The aim of this study was to determine if selected kinematic measures (foot strike index [SI], knee contact angle and overstride angle) were different between aquatic treadmill (ATM) and land treadmill (LTM) running, and to determine if these measures were altered during LTM running as a result of 6 weeks of ATM training. Acute effects were tested using 15 competitive distance runners who completed 1 session of running on each treadmill type at 5 different running speeds. Subsequently, three recreational runners completed 6 weeks of ATM training following a single-subject baseline, intervention and withdrawal experiment...
November 17, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27831747/neuromuscular-alterations-after-ankle-sprains-an-animal-model-to-establish-causal-links-after-injury
#9
Lindsey K Lepley, Patrick O McKeon, Shane G Fitzpatrick, Catherine L Beckemeyer, Timothy L Uhl, Timothy A Butterfield
CONTEXT: The mechanisms that contribute to the development of chronic ankle instability are not understood. Investigators have developed a hypothetical model in which neuromuscular alterations that stem from damaged ankle ligaments are thought to affect periarticular and proximal muscle activity. However, the retrospective nature of these studies does not allow a causal link to be established. OBJECTIVE: To assess temporal alterations in the activity of 2 periarticular muscles of the rat ankle and 2 proximal muscles of the rat hind limb after an ankle sprain...
October 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27768523/the-impact-of-central-and-peripheral-cyclooxygenase-enzyme-inhibition-on-exercise-induced-core-body-temperature-elevations
#10
Matthijs T W Veltmeijer, Dineke Veeneman, Coen C C W Bongers, Mihai G Netea, Jos W van der Meer, Thijs M H Eijsvogels, Maria T E Hopman
PURPOSE: Exercise increases core body temperature (TC) due to metabolic heat production. However, the exercise-induced release of inflammatory cytokines including interleukin-6 may also contribute to the rise in TC by increasing the hypothalamic temperature setpoint. We aimed to investigate whether the exercise-induced increase in TC is partly caused by an altered hypothalamic temperature setpoint. METHODS: 15 healthy, active male subjects aged 36±14 years were recruited...
September 26, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27632877/tibial-acceleration-and-spatiotemporal-mechanics-in-distance-runners-during-reduced-body-weight-conditions
#11
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
https://www.readbyqxmd.com/read/27329516/nighttime-feeding-likely-alters-morning-metabolism-but-not-exercise-performance-in-female-athletes
#12
RANDOMIZED CONTROLLED TRIAL
Michael J Ormsbee, Katherine A Gorman, Elizabeth A Miller, Daniel A Baur, Lisa A Eckel, Robert J Contreras, Lynn B Panton, Maria T Spicer
The timing of morning endurance competition may limit proper pre-race fueling and resulting performance. A nighttime, pre-sleep nutritional strategy could be an alternative method to target the metabolic and hydrating needs of the early morning athlete without compromising sleep or gastrointestinal comfort during exercise. Therefore, the purpose of this investigation was to examine the acute effects of pre-sleep chocolate milk (CM) ingestion on next-morning running performance, metabolism, and hydration status...
July 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/27310528/mechanical-perturbations-of-the-walking-surface-reveal-unaltered-axial-trunk-stiffness-in-chronic-low-back-pain-patients
#13
Maarten R Prins, Peter van der Wurff, Onno G Meijer, Sjoerd M Bruijn, Jaap H van Dieën
INTRODUCTION: Patients with chronic low back pain (CLBP) often demonstrate altered timing of thorax rotations in the transverse plane during gait. Increased axial trunk stiffness has been claimed to cause this movement pattern. OBJECTIVES: The objective of this study was to assess whether axial trunk stiffness is increased in gait in CLBP patients. METHODS: 15 CLBP patients and 15 healthy controls walked on a treadmill that imposed rotational perturbations in the transverse plane...
2016: PloS One
https://www.readbyqxmd.com/read/27300035/overexpression-of-g%C3%AE-11-in-osteoblast-lineage-cells-suppresses-the-osteoanabolic-response-to-intermittent-pth-and-exercise
#14
Ariana Dela Cruz, Marc D Grynpas, Jane Mitchell
Intermittent parathyroid hormone (iPTH) treatment and mechanical loading are osteoanabolic stimuli that are partially mediated through actions on G protein-coupled receptors (GPCRs). GPCR signaling can be altered by heterotrimeric G protein Gα subunits levels, which can therefore lead to altered responses to such stimuli. Previous studies have suggested that enhanced signaling through the Gαq/11 pathway inhibits the osteoanabolic actions of PTH. The influence of Gαq/11 signaling on mechanotransduction, however, has not been reported in vivo...
October 2016: Calcified Tissue International
https://www.readbyqxmd.com/read/27296204/objective-assessment-of-gait-in-xylazine-induced-ataxic-horses
#15
Y S Nout-Lomas, K M Page, H G Kang, M E Aanstoos, H M Greene
BACKGROUND: There is poor agreement between observers of equine neurological gait abnormalities using the modified Mayhew grading scale. OBJECTIVES: To stimulate a dose-dependent ataxia in horses through xylazine administration and identify quantifiable relevant gait parameters. STUDY DESIGN: Balanced, randomised, 2-way crossover design. METHODS: Eight horses were assessed before and after administration of xylazine (low dose and high dose)...
June 14, 2016: Equine Veterinary Journal
https://www.readbyqxmd.com/read/27293508/utilization-of-an-anti-gravity-treadmill-in-a-physical-activity-program-with-female-breast-cancer-survivors-a-pilot-study
#16
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
https://www.readbyqxmd.com/read/27197730/metabolomic-response-of-skeletal-muscle-to-aerobic-exercise-training-in-insulin-resistant-type-1-diabetic-rats
#17
Michelle S Dotzert, Michael R Murray, Matthew W McDonald, T Dylan Olver, Thomas J Velenosi, Anzel Hennop, Earl G Noble, Brad L Urquhart, C W James Melling
The etiology of insulin resistance in Type 1 Diabetes (T1D) is unknown, however it affects approximately 20% of T1D patients. Intramyocellular lipids (IMCL) have been identified as a mechanism of insulin resistance. We examined skeletal muscle of T1D rats to determine if alterations in lipid metabolism were evident and whether aerobic exercise training improves IMCL and insulin resistance. To do so, 48 male Sprague-Dawley rats were divided into control (C), sedentary diabetes (D) and diabetes exercise (DX) groups...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27169361/a-biologically-inspired-multi-joint-soft-exosuit-that-can-reduce-the-energy-cost-of-loaded-walking
#18
Fausto A Panizzolo, Ignacio Galiana, Alan T Asbeck, Christopher Siviy, Kai Schmidt, Kenneth G Holt, Conor J Walsh
BACKGROUND: Carrying load alters normal walking, imposes additional stress to the musculoskeletal system, and results in an increase in energy consumption and a consequent earlier onset of fatigue. This phenomenon is largely due to increased work requirements in lower extremity joints, in turn requiring higher muscle activation. The aim of this work was to assess the biomechanical and physiological effects of a multi-joint soft exosuit that applies assistive torques to the biological hip and ankle joints during loaded walking...
May 12, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27097042/influence-of-post-exercise-carbohydrate-protein-ingestion-on-muscle-glycogen-metabolism-in-recovery-and-subsequent-running-exercise
#19
Abdullah F Alghannam, Dawid Jedrzejewski, James Bilzon, Dylan Thompson, Kostas Tsintzas, James A Betts
We examined whether carbohydrate-protein ingestion influences muscle glycogen metabolism during short-term recovery from exhaustive treadmill running and subsequent exercise. Six endurance-trained individuals underwent two trials in a randomized double-blind design, each involving an initial run-to-exhaustion at 70% VO2max (Run-1) followed by 4-h recovery (REC) and subsequent run-to-exhaustion at 70% VO2max (Run-2). Carbohydrate-protein (CHO-P; 0.8 g carbohydrate·kg body mass [BM(-1)]·h(-1) plus 0.4 g protein·kg BM(-1)·h(-1)) or isocaloric carbohydrate (CHO; 1...
December 2016: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/26954892/effects-of-ankle-instability-on-running-gait-ankle-angles-and-its-variability-in-young-adults
#20
Daniel Hamacher, Karsten Hollander, Astrid Zech
BACKGROUND: Considering that proprioceptive deficits seem to be responsible for chronic ankle instability, the precise control of ankle angles during running may be impaired. Thus, the aim of the study was to evaluate the influence of chronic ankle instability on intra-individual variability of ankle kinematics during running. METHODS: Lower extremity running gait kinematics of 12 recreational athletes with chronic ankle instability (mean age: 24 years, SD: 3 years; strides analyzed: 40...
March 2016: Clinical Biomechanics
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