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https://www.readbyqxmd.com/read/28738226/shock-attenuation-characteristics-of-three-different-military-boots-during-gait
#1
A M S Muniz, R R Bini
Musculoskeletal injuries are related to the cushioning properties of boots in military populations. This study aimed to compare ground reaction force (GRF) and subjective perceived comfort from two different military boots supplied by the Brazilian Army with a commercial boot. Twenty army recruits volunteered for a GRF assessment during walking on a 10-m walkway and a perceived comfort test after 20min walking on a treadmill. Both experiments were conducted with three different military boots: CC10 (styrene-butadiene rubber - SBR - midsole 30mm thickness, 65 Shore A; 631...
July 15, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28738059/predicting-diabetes-mellitus-using-smote-and-ensemble-machine-learning-approach-the-henry-ford-exercise-testing-fit-project
#2
Manal Alghamdi, Mouaz Al-Mallah, Steven Keteyian, Clinton Brawner, Jonathan Ehrman, Sherif Sakr
Machine learning is becoming a popular and important approach in the field of medical research. In this study, we investigate the relative performance of various machine learning methods such as Decision Tree, Naïve Bayes, Logistic Regression, Logistic Model Tree and Random Forests for predicting incident diabetes using medical records of cardiorespiratory fitness. In addition, we apply different techniques to uncover potential predictors of diabetes. This FIT project study used data of 32,555 patients who are free of any known coronary artery disease or heart failure who underwent clinician-referred exercise treadmill stress testing at Henry Ford Health Systems between 1991 and 2009 and had a complete 5-year follow-up...
2017: PloS One
https://www.readbyqxmd.com/read/28737589/validity-of-a-taekwondo-specific-test-to-measure-vo2peak-and-the-heart-rate-deflection-point
#3
Jader Sant'Ana, Emerson Franchini, Juan Murias, Fernando Diefenthaeler
This study investigated whether the progressive specific taekwondo test (PSTT) is a valid test to measure peak oxygen consumption (VO2PEAK) and the heart rate deflection point (HRDP) in taekwondo athletes. Eighteen male black belt athletes (25.3 ± 4.8 years; 8.2 ± 4.7 years of practice; 171.8 ± 4.7 cm; 76.1 ± 8.2 kg, and 13.1 ± 2.9% body fat) involved in regional and national level competitions performed the PSTT and an incremental treadmill test (IT). The following variables were analyzed: VO2PEAK, respiratory quotient, oxygen consumption at the HRDP (VO2HRDP), peak heart rate (HRPEAK), HRDP, and peak post-test blood lactate concentration...
July 19, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28733074/non-invasive-assessment-of-microvascular-dysfunction-in-patients-with-microvascular-angina
#4
Caroline Jaarsma, Hans Vink, Judith van Haare, Sebastiaan C A M Bekkers, Bart D van Rooijen, Walter H Backes, Joachim E Wildberger, Harry J Crijns, Jurgen van Teeffelen, Simon Schalla
BACKGROUND: We aimed to evaluate the microvascular function in patients with microvascular angina (MVA) by assessing 1) the endothelial glycocalyx barrier properties using sublingual microscopy, and 2) the myocardial perfusion reserve using cardiovascular magnetic resonance (CMR) imaging. METHODS: Sublingual microscopy was performed in 13 MVA patients (angina pectoris, ST-depression on treadmill testing, normal coronary angiogram) and compared with 2 control groups of 13 volunteers and 14 patients with known obstructive coronary artery disease (CAD)...
July 18, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28731978/differences-in-spatiotemporal-parameters-between-trained-runners-and-untrained-participants
#5
Josué Gómez-Molina, Ana Ogueta-Alday, Christopher Stickley, Jesús Cámara, Jon Cabrejas-Ugartondo, Juan García-López
Gómez-Molina, J, Ogueta-Alday, A, Stickley, C, Tobalina, JC, Cabrejas-Ugartondo, J, and García-López, J. Differences in spatiotemporal parameters between trained runners and untrained participants. J Strength Cond Res 31(8): 2169-2175, 2017-The aim of this study was to compare the spatiotemporal parameters of trained runners and untrained participants with the same foot strike pattern (rearfoot) during running at controlled speeds. Twenty-one participants were classified in 2 groups according to their training experience: Trained (n = 10, amateur runners with long distance training experience) and Untrained (n = 11, healthy untrained participants)...
August 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28730886/is-the-10-m-incremental-shuttle-walk-test-a-useful-test-of-exercise-capacity-for-patients-referred-to-cardiac-rehabilitation
#6
Lisa C Hanson, Helen McBurney, Nicholas F Taylor
BACKGROUND: Field exercise tests are a feasible alternative to the symptom-limited exercise test for measuring exercise capacity in patients attending cardiac rehabilitation. AIMS: To evaluate the criterion validity of the 10 m incremental shuttle walk test (ISWT) as a useful tool for measurement of exercise capacity for patients eligible for cardiac rehabilitation. METHODS: Fifteen patients eligible for cardiac rehabilitation completed a treadmill symptom-limited exercise test and two ISWTs with the order of testing randomised...
July 1, 2017: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28729390/walking-economy-is-predictably-determined-by-speed-grade-and-gravitational-load
#7
Lindsay W Ludlow, Peter G Weyand
The metabolic energy human walking requires can vary by more than 10-fold depending on the speed, surface gradient and load carried. Although the mechanical factors determining economy are generally considered to be numerous and complex, we tested a minimum-mechanics hypothesis that only three variables are needed for broad, accurate prediction: speed, surface grade, and total gravitational load. We first measured steady-state rates of oxygen uptake in 20 healthy adult subjects during unloaded treadmill trials from 0...
July 20, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28728592/examination-of-the-gait-pattern-based-on-adjusting-and-resulting-components-of-the-stride-to-stride-variability-proof-of-concept
#8
U Laessoe, N M B Jensen, P Madeleine
BACKGROUND: Stride-to-stride variability may be used as an indicator in the assessment of gait performance, but the evaluation of this parameter is not trivial. In the gait pattern, a deviation in one stride must be corrected within the next strides (elemental variables) to ensure a steady gait (performance variable). The variance in these elemental and performance variables may therefore be evaluated as adjusting and resulting components of variability. We explored this approach to gait evaluation by matching the velocity of one stride to a subsequent stride with four different time lags ranging from 0...
July 20, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28727669/differential-pulmonary-rehabilitation-outcomes-in-patients-with-and-without-copd-role-of-gender
#9
Lam-Phuong Nguyen, Emily Beck, Katherine Cayetano, Chin-Shang Li, Kimberly Hardin
PURPOSE: Individuals with all forms of pulmonary disease are referred for pulmonary rehabilitation. This study examines pulmonary rehabilitation outcomes between individuals with chronic obstructive lung disease (COPD) and non-COPD disease and the impact of gender. METHODS: This is a retrospective study at a tertiary center. The primary endpoint was the difference in 6-min walk test distance. Secondary measurements included treadmill and NuStep minutes; biceps curls and front arm raises load; quality of life measured by the St George's Respiratory Questionnaire; and University of California San Diego-Shortness of Breath Questionnaire (UCSD-SOBQ) scores...
July 19, 2017: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/28724575/a-multidirectional-gravity-assist-algorithm-that-enhances-locomotor-control-in-patients-with-stroke-or-spinal-cord-injury
#10
Jean-Baptiste Mignardot, Camille G Le Goff, Rubia van den Brand, Marco Capogrosso, Nicolas Fumeaux, Heike Vallery, Selin Anil, Jessica Lanini, Isabelle Fodor, Grégoire Eberle, Auke Ijspeert, Brigitte Schurch, Armin Curt, Stefano Carda, Jocelyne Bloch, Joachim von Zitzewitz, Grégoire Courtine
Gait recovery after neurological disorders requires remastering the interplay between body mechanics and gravitational forces. Despite the importance of gravity-dependent gait interactions and active participation for promoting this learning, these essential components of gait rehabilitation have received comparatively little attention. To address these issues, we developed an adaptive algorithm that personalizes multidirectional forces applied to the trunk based on patient-specific motor deficits. Implementation of this algorithm in a robotic interface reestablished gait dynamics during highly participative locomotion within a large and safe environment...
July 19, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28723919/level-of-physical-activity-and-aerobic-capacity-associate-with-quality-of-life-in-patients-with-temporal-lobe-epilepsy
#11
Nathalia Volpato, Juliana Kobashigawa, Clarissa Lin Yasuda, Simoni Thiemi Kishimoto, Paula Teixeira Fernandes, Fernando Cendes
Epilepsy is more than seizures and includes a high risk of comorbidities and psychological disorders, leading to poor quality of life (QOL). Earlier studies have showed a sedentary lifestyle in people with epilepsy (PWE), which could contribute to poorer health and psychological problems. The purpose of the present study was to compare habits of physical activity (PA), aerobic capacity, and QOL between PWE and healthy controls in order to identify the necessity of intervention of habits and information on physical exercise (PE) and to better understand the importance of PE for PWE...
2017: PloS One
https://www.readbyqxmd.com/read/28721516/motor-cognitive-dual-tasking-under-hypoxia
#12
Dennis Hamacher, Marie Brennicke, Tom Behrendt, Prisca Alt, Alexander Törpel, Lutz Schega
Hypoxic conditions diminish motor performance and cognitive functions, especially when the motor task and the cognitive task are conducted simultaneously. Hypoxia does further increase prefrontal cortex activity which provokes a reduced capability of efficient resource utilisation. This, again, might evoke that the capacity of the limited mental resources of a dual task will be reached at an earlier stage of task complexity. The purpose of our study was to examine whether a cognitive task would increase gait variability to a higher extent under hypoxic as compared to normoxic conditions...
July 18, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28721088/forced-exercise-attenuates-neuropathic-pain-in-chronic-constriction-injury-of-male-rat-an-investigation-of-oxidative-stress-and-inflammation
#13
Hossein Ali Safakhah, Nasroallah Moradi Kor, Atiyeh Bazargani, Ahmad Reza Bandegi, Hamid Gholami Pourbadie, Baharak Khoshkholgh-Sima, Ali Ghanbari
BACKGROUND AND OBJECTIVE: Initial peripheral/central nerve injuries, such as chronic constriction injury (CCI)/spinal cord injury, are often compounded by secondary mechanisms, including inflammation and oxidative stress, which may lead to chronic neuropathic pain characterized by hyperalgesia or allodynia. On the other hand, exercise as a behavioral and non-pharmacological treatment has been shown to alleviate chronic neuropathic pain. Therefore, this study was conducted to examine whether or not exercise reduces neuropathic pain through modifying oxidative stress and inflammation in chronic constriction injury of the sciatic nerve...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28720519/taltirelin-alleviates-fatigue-like-behavior-in-mouse-models-of-cancer-related-fatigue
#14
John P Dougherty, Brian S Wolff, Mary J Cullen, Leorey N Saligan, Marvin C Gershengorn
Fatigue affects most cancer patients and has numerous potential causes, including cancer itself and cancer treatment. Cancer-related fatigue (CRF) is not relieved by rest, can decrease quality of life, and has no FDA-approved therapy. Thyrotropin-releasing hormone (TRH) has been proposed as a potential novel treatment for CRF, but its efficacy against CRF remains largely untested. Thus, we tested the TRH analog, taltirelin (TAL), in mouse models of CRF. To model fatigue, we used a mouse model of chemotherapy, a mouse model of radiation therapy, and mice bearing colon 26 carcinoma tumors...
July 15, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28719477/gait-analysis-on-force-treadmill-in-children-comparison-with-results-from-ground-based-force-platforms
#15
Luigi Tesio, Chiara Malloggi, Nicola M Portinaro, Luigi Catino, Nicola Lovecchio, Viviana Rota
Gait analysis (GA) typically includes surface electromyographic (sEMG) recording from several lower limb muscles, optoelectronic measurement of joint rotations, and force recordings from ground-based platforms. From the latter two variables, the muscle power acting on the lower limb joints can be estimated. Recently, gait analysis on a split-belt force treadmill (GAFT) was validated for the study of adult walking. It showed high reliability of spatiotemporal, kinematic, dynamic, and sEMG parameters, matching those obtainable with GA on the basis of ground walking...
July 17, 2017: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28718297/determination-of-aerobic-capacity-via-cycle-ergometer-exercise-testing-in-alzheimer-s-disease
#16
Ulf G Bronas, Dereck Salisbury, Kaitlin Kelly, Arthur Leon, Lisa Chow, Fang Yu
BACKGROUND: Older adults with Alzheimer's disease (AD) may be unable to perform treadmill testing due to balance issues. We investigated whether older adults with AD could successfully complete a peak cycle ergometer test. METHODS: Peak oxygen consumption (peak [Formula: see text]) assessed via a cycle ergometer test in 44 participants with AD (age 78.4 ± 6.8). Physical function was assessed via the incremental shuttle walk, 6-minute walk, and the Short Physical Performance Battery (SPPB)...
January 1, 2017: American Journal of Alzheimer's Disease and Other Dementias
https://www.readbyqxmd.com/read/28716522/exercise-individualized-by-trimpi-method-reduces-arterial-stiffness-in-early-onset-type-2-diabetic-patients-a-randomized-controlled-trial-with-aerobic-interval-training
#17
Alfonso Bellia, Ferdinando Iellamo, Elisa De Carli, Aikaterini Andreadi, Elvira Padua, Mauro Lombardo, Giuseppe Annino, Francesca Campoli, Sara Tartaglione, Stefano D'Ottavio, David Della-Morte, Davide Lauro
BACKGROUND: Arterial stiffness (AS) and baroreflex sensitivity (BRS) are subclinical markers of vascular diseases in type 2 diabetes (T2D). We evaluated the effects of aerobic interval training (AIT), with loads prescribed according to individual heart rate and lactate profiling obtained during a baseline treadmill test (TRIMPi method), on AS and BRS in patients with early-onset T2D without cardiovascular complications. POPULATION STUDY AND METHODS: Twenty-two sedentary overweight T2D patients (aged 57±7years) were randomized to 12-weeks open-label of supervised AIT by TRIMPi (n=8) or unsupervised physical activity as per usual care (SOC) (n=11)...
June 17, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28716336/relation-of-exercise-capacity-to-risk-of-development-of-diabetes-in-patients-on-statin-therapy-the-henry-ford-exercise-testing-project
#18
Gabriel E Shaya, Stephen P Juraschek, David I Feldman, Clinton A Brawner, Jonathan K Ehrman, Steven J Keteyian, Mouaz H Al-Mallah, Michael J Blaha
High exercise capacity (EC) has been associated with a lower risk of incident diabetes, whereas statin therapy has been associated with a higher risk. We sought to investigate whether the association between EC and diabetes risk is modified by statin therapy. This retrospective cohort study included 47,337 patients without diabetes or coronary artery disease at baseline (age 53 ± 13 years, 48% women, 66% white) who underwent clinical treadmill stress testing within the Henry Ford Health System from January 1, 1991, to May 31, 2009...
June 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28715078/polish-stress-echocardiography-registry-pol-stress-registry-a-multicenter-study-stress-echo-in-poland-numbers-settings-results-and-complications
#19
Edyta Płońska-Gościniak, Jarosław D Kasprzak, Szymon Olędzki, Jolanta Rzucidło-Resil, Piotr Gościniak, Tomasz Kukulski, Katarzyna Mizia-Stec, Wojciech Kosmala, Dariusz Kosior, Marta Marcinkiewicz-Siemion, Barbara Brzezińska, Beata Zaborska, Marcin Fijałkowski, Iwona Świątkiewicz, Andrzej Szyszka, Jan Błażejewski, Wojciech Witkiewicz, Zbigniew Gąsior, Danuta Sorysz, Agnieszka Olszanecka
BACKGROUND: Stress echocardiography (SE) is widely used in Europe. No collective data have been available on the use of SE in Poland until now. AIM: To evaluate the number of SE investigations performed in Poland, their settings, complications and results. METHODS: In this retrospective survey, referral cardiology centers in Poland were asked to fill in a questionnaire regarding SE examinations performed from May 01, 2014 to May 01, 2015. RESULTS: The study included data from 17 university hospitals and large community hospitals which performed 4611 SE examinations, including 4408 tests in patients investigated for coronary artery disease (CAD) and 203 tests to evaluate valvular heart disease (VHD)...
July 17, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28713848/evaluation-of-muscle-performance-in-mice-by-treadmill-exhaustion-test-and-whole-limb-grip-strength-assay
#20
Beatriz Castro, Shihuan Kuang
In vivo muscle function testing has become of great interest as primary phenotypic analysis of muscle performance. This protocol provides detailed procedures to perform the treadmill exhaustion test and the whole-limb grip strength assay, two methods commonly used in the neuromuscular research field.
April 20, 2017: Bio-protocol
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