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https://www.readbyqxmd.com/read/28549273/body-weight-supported-bedside-treadmill-training-facilitates-ambulation-in-icu-patients-an-interventional-proof-of-concept-study
#1
Juultje Sommers, Denise C Wieferink, Dave A Dongelmans, Frans Nollet, Raoul H H Engelbert, Marike van der Schaaf
PURPOSE: Early mobilisation is advocated to improve recovery of intensive care unit (ICU) survivors. However, severe weakness in combination with tubes, lines and machinery are practical barriers for the implementation of ambulation with critically ill patients. The aim of this study was to explore the feasibility of Body Weight-Supported Treadmill Training (BWSTT) in critically ill patients in the ICU. METHODS: A custom build bedside Body Weight-Supported Treadmill was used and evaluated in medical and surgical patients in the ICU...
May 13, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28549220/physiological-responses-during-intermittent-running-exercise-differ-between-outdoor-and-treadmill-running
#2
Marco Panascì, Romuald Lepers, Antonio La Torre, Matteo Bonato, Hervè Assadi
The aim of this study was to compare the physiological responses during 15 min of intermittent running consisting of 30 s high intensity running exercise at maximal aerobic velocity (MAV) interspersed with 30 s passive recovery (30-30) performed outdoor versus on a motorized treadmill. Fifteen collegiate physically active males (age: 22±1 years-old; body mass: 66±7 kg; stature: 176±06 cm, weekly training volume: 5±2 h·week<sup>-1</sup>), performed Fitness Intermittent test 45-15 in order to determine VO<sub>2max</sub> and Maximal Aerobic Velocity (MAV) and then completed in random order three different training sessions consisting of 30s run -30s rest outdoor on athletic track (30-30 Track) at MAV; 30s run -30s rest on treadmill (30-30 Treadmill) at MAV; 30s run -30s rest at MAV+15% (30-30+15% MAV Treadmill)...
May 26, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28547175/influence-of-body-mass-index-and-type-of-low-level-exercise-on-the-side-effect-profile-of-regadenoson
#3
Carlos Salgado-Garcia, Amelia Jimenez-Heffernan, Juana Lopez-Martin, Manuela Molina-Mora, Tarik Aroui, Elena Sanchez de Mora, Carlos Ramos-Font, Francisco Rivera de Los Santos, Carlos Ruiz-Frutos
PURPOSE: Regadenoson, an A2A adenosine receptor pharmacologic stress agent for radionuclide myocardial perfusion imaging (MPI), is administered as a single, fixed dose. We studied the side effect profile of regadenoson combined with two types of low-level exercise, according to body mass index (BMI). METHODS: Three hundred and fifty-six patients (46.1% men, mean age 67.7±10.7 years, range 31-90 years) underwent regadenoson stress testing combined with low-level exercise...
May 25, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28547077/effects-of-the-combined-treatment-of-bone-marrow-stromal-cells-with-mild-exercise-and-thyroid-hormone-on-brain-damage-and-apoptosis-in-a-mouse-focal-cerebral-ischemia-model
#4
Kobar Akhoundzadeh, Abedin Vakili, Hamid Reza Sameni, Abbas Ali Vafaei, Ali Rashidy-Pour, Manouchehr Safari, Razieh Mohammadkhani
This study examined whether post-stroke bone marrow stromal cells (BMSCs) therapy combined with exercise (EX) and/or thyroid hormone (TH) could reduce brain damage in an experimental ischemic stroke in mice. Focal cerebral ischemia was induced under Laser Doppler Flowmetry (LDF) guide by 45 min of middle cerebral artery occlusion (MCAO), followed by 7 days of reperfusion in albino mice. BMSCs were injected into the right cerebral ventricle 24 h after MCAO, followed by daily injection of T3 (20 μg/100 g weight S...
May 25, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28545575/impaired-chronotropic-response-to-physical-activities-in-heart-failure-patients
#5
Hong Shen, Jianrong Zhao, Xiaohong Zhou, Jingbo Li, Qing Wan, Jing Huang, Hui Li, Liqun Wu, Shungang Yang, Ping Wang
BACKGROUND: While exercise-based cardiac rehabilitation has a beneficial effect on heart failure hospitalization and mortality, it is limited by the presence of chronotropic incompetence (CI) in some patients. This study explored the feasibility of using wearable devices to assess impaired chronotropic response in heart failure patients. METHODS: Forty patients with heart failure (left ventricular ejection fraction, LVEF: 44.6 ± 5.8; age: 54.4 ± 11.7) received ECG Holter and accelerometer to monitor heart rate (HR) and physical activities during symptom-limited treadmill exercise testing, 6-min hall walk (6MHW), and 24-h daily living...
May 25, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28544950/the-influence-of-continuous-versus-interval-walking-exercise-on-knee-joint-loading-and-pain-in-patients-with-knee-osteoarthritis
#6
Shawn Farrokhi, Prakash Jayabalan, Jonathan A Gustafson, Brian A Klatt, Gwendolyn A Sowa, Sara R Piva
OBJECTIVE: To evaluate whether knee contact force and knee pain are different between continuous and interval walking exercise in patients with knee osteoarthritis (OA). METHODS: Twenty seven patients with unilateral symptomatic knee OA completed two separate walking exercise sessions on a treadmill at 1.3m/s on two different days: 1) a continuous 45min walking exercise session, and 2) three 15min bouts of walking exercise separated by 1h rest periods for a total of 45min of exercise in an interval format...
May 17, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28543791/the-association-between-eccentric-hip-abduction-strength-and-hip-and-knee-angular-movements-in-recreational-male-runners-an-explorative-study
#7
René B K Brund, Sten Rasmussen, Rasmus O Nielsen, Uwe G Kersting, Uffe Laessoe, Michael Voigt
Weak hip abductors may be related with increased hip adduction and knee abduction angular movement, which may be risk factors of lower extremity injuries. Since the role of eccentric hip abduction strength (EHAS) on hip adduction angular movement and the knee abduction angular movement (KABD) remains unclear and the purpose of the present study was to explore the association between EHAS and hip- and knee angular movement. In 100 healthy male recreational runners, EHAS was quantified using an isokinetic dynamometer, while hip- and knee angular movement were collected using pressure sensitive treadmill and Codamotion active marker system...
May 24, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28543166/chronic-emgs-in-treadmill-running-sod1-mice-reveal-early-changes-in-muscle-activation
#8
K A Quinlan, E Kajtaz, J D Ciolino, R D Imhoff-Manuel, M C Tresch, C J Heckman, V M Tysseling
To improve our understanding of early disease mechanisms and find reliable biomarkers of amyotrophic lateral sclerosis (ALS), a progressive neurodegenerative disease, we measured electromyogram (EMG) activity in hind limb muscles of SOD1G93A mice. In contrast to clinical diagnostic measures using EMGs, which are performed on quiescent patients, we monitored activity during treadmill running in order to detect presymptomatic changes in motor patterning. Chronic EMG electrodes were implanted into vastus lateralis (VL), biceps femoris posterior (BFP), lateral gastrocnemius (LG), and tibialis anterior (TA) in mice from postnatal day (P) 55-100, and results were assessed using linear mixed models...
May 24, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28542490/repeated-bouts-of-exhaustive-exercise-increase-circulating-cell-free-nuclear-and-mitochondrial-dna-without-development-of-tolerance-in-healthy-men
#9
Robert Stawski, Konrad Walczak, Piotr Kosielski, Pawel Meissner, Tomasz Budlewski, Gianluca Padula, Dariusz Nowak
OBJECTIVE: Acute single strenuous exercise increases circulating cell free DNA (cf DNA). We tested whether three repeated bouts of exhaustive exercise induced the cf DNA response without development of tolerance in healthy men. METHODS: Eleven average-trained men (age 34.0±5.2 years, body mass index 26.2±3.1 kg/m2, maximal oxygen consumption-VO2max 49.6±4.5 ml/kg*min) performed three treadmill exercise tests to exhaustion at speed corresponding to 70% VO2max separated by 72 hours of resting...
2017: PloS One
https://www.readbyqxmd.com/read/28542392/acute-exercise-does-not-modify-brain-activity-and-memory-performance-in-app-ps1-mice
#10
Angelica Miki Stein, Victor Munive, Ana M Fernandez, Angel Nuñez, Ignacio Torres Aleman
Age is the main risk factor for Alzheimer´s disease (AD). With an increasingly aging population, development of affordable screening techniques to determine cognitive status will help identify population-at-risk for further follow-up. Because physical exercise is known to modulate cognitive performance, we used it as a functional test of cognitive health. Mice were submitted to treadmill running at moderate speed for 30 min, and their brain activity was monitored before and after exercise using electrocorticogram (ECG) recordings...
2017: PloS One
https://www.readbyqxmd.com/read/28542090/5-km-time-trial-reliability-of-a-non-motorized-treadmill-and-comparison-of-physiological-and-perceptual-responses-versus-a-motorized-treadmill
#11
Hunter S Waldman, Alex J Heatherly, Ashton F Waddell, Ben M Krings, Eric K O'Neal
This study examined the reproducibility of performance across 3 non-motorized treadmill (NMT) 5-km time trials (TT) and physiological, gait, and perceptual differences of running at 5-km pace for both NMT and motorized treadmills (MT). Ten male runners experienced in road racing that had never run on a NMT completed 3 TT to establish personal best 5-km pace. In a later session, participants ran at this pace for 5 min on the NMT while metabolic, gait, and perceptual measures were recorded and then ran at outdoor 5-km personal best pace on a MT at 1% grade (counter-balanced crossover design)...
May 24, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28538761/effects-of-continuous-and-accumulated-exercise-on-endothelial-function-in-rat-aorta
#12
Juliana Edwiges Martinez, Elane de Fátima Taipeiro, Agnaldo Bruno Chies
Background: The practice of exercise in short bouts repeated throughout the day may be an alternative strategy to lift people out of physical inactivity. Objective: to evaluate if accumulated exercise, as occurs in continuous exercise training, improve endothelial function in rat aorta. Methods: Wistar male rats were divided into three groups: continuous exercise (CEx, 1 hour on the treadmill) or accumulated exercise (AEx, 4 bouts of 15 minutes / day) for 5 days/week for 8 weeks, or sedentary (SED)...
April 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28538319/reliability-and-accuracy-of-a-standardized-shallow-water-running-test-to-determine-cardiorespiratory-fitness
#13
Elizabeth F Nagle, Mary E Sanders, Bethany B Gibbs, Barry A Franklin, Jacquelyn A Nagle, Philip J Prins, Caleb D Johnson, Robert J Robertson
Nagle, EF, Sanders, ME, Gibbs, BB, Franklin, BA, Nagle, JA, Prins, PJ, Johnson, CD, and Robertson, RJ. Reliability and accuracy of a standardized shallow water running test to determine cardiorespiratory fitness. J Strength Cond Res 31(6): 1669-1677, 2017-A standardized fitness assessment is critical for the development of an individualized exercise prescription. Although the benefits of aquatic exercise have been well established, there remains the need for a standardized nonswimming protocol to accurately assess cardiorespiratory fitness (CRF) in shallow water...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28538301/proposal-of-a-new-specific-cardiopulmonary-exercise-test-for-taekwondo-athletes
#14
Marcus P Araujo, Antônio C L Nóbrega, Gabriel Espinosa, Matheus R Hausen, Renata R T Castro, Pedro P Soares, Jonas L Gurgel
Araujo, MP, Nóbrega, ACL, Espinosa, G, Hausen, MR, Castro, RRT, Soares, PP, and Gurgel, JL. Proposal of a new specific cardiopulmonary exercise test for taekwondo athletes. J Strength Cond Res 31(6): 1525-1535, 2017-The objective of this study is to evaluate the cardiorespiratory variables of Taekwondo athletes while performing incremental exercise test on an ergometer using a ramp protocol and to propose a specific protocol for assessing these physiological variables during Taekwondo practice. Fourteen athletes participated in 2 incremental exercise tests: a treadmill exercise test (TREADtest) and a Taekwondo-specific exercise test (TKDtest)...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28536949/exercise-and-doxorubicin-treatment-modulate-cardiac-mitochondrial-quality-control-signaling
#15
I Marques-Aleixo, E Santos-Alves, J R Torrella, P J Oliveira, J Magalhães, A Ascensão
The cross-tolerance effect of exercise against heart mitochondrial-mediated quality control, remodeling and death-related mechanisms associated with sub-chronic Doxorubicin (DOX) treatment is yet unknown. We therefore analyzed the effects of two distinct chronic exercise models (endurance treadmill training-TM and voluntary free wheel activity-FW) performed during the course of the sub-chronic DOX treatment on mitochondrial susceptibility to permeability transition pore (mPTP), apoptotic and autophagic signaling and mitochondrial dynamics...
May 23, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28535432/water-depth-effects-on-impact-loading-kinematic-and-physiological-variables-during-water-treadmill-running
#16
Paul W Macdermid, Josh Wharton, Carina Schill, Philip W Fink
PURPOSE: The purpose of this study was to compare impact loading, kinematic and physiological responses to three different immersion depths (mid-shin, mid-thigh, and xiphoid process) while running at the same speed on a water based treadmill. METHODS: Participants (N=8) ran on a water treadmill at three depths for 3min. Tri-axial accelerometers were used to identify running dynamics plus measures associated with impact loading rates, while heart rate data were logged to indicate physiological demand...
May 17, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28534952/effects-of-exercise-on-mature-or-precursor-brain%C3%A2-derived-neurotrophic-factor-pathways-in-ovariectomized-rats
#17
Joon-Ki Park, Young-Pyo Hong, Sam-Jun Lee
Ovariectomy (OVX) is a method used to block estrogen in female rats that induces hippocampal dysfunction and affects brain‑derived neurotrophic factor (BDNF) pathways. The majority of previous studies investigating OVX focused on BDNF expression in the hippocampus and cognitive function. The present study focused on the pathways of each BDNF type, precursor (proBDNF) and mature (mBDNF), and the effects of regular exercise in the hippocampus of ovariectomized rats. Female Sprague‑Dawely rats were used and OVX surgery was performed...
May 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534497/a-comparative-study-of-two-protocols-for-treadmill-walking-exercise-testing-in-ambulating-subjects-with-incomplete-spinal-cord-injury
#18
E Lundgaard, M F Wouda, V Strøm
STUDY DESIGN: This is a comparative study of two exercise testing protocols. OBJECTIVES: The objective of this study was to compare maximal oxygen uptake (VO2 max) and achieved criteria for maximal exercise testing between the Sunnaas Protocol-a newly designed treadmill exercise test protocol-and the Modified Bruce Protocol in persons with incomplete spinal cord injury (SCI). SETTING: This study was conducted in Sunnaas Rehabilitation Hospital, Norway...
May 23, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28533614/the-effect-of-bridge-exercise-method-on-the-strength-of-rectus-abdominis-muscle-and-the-muscle-activity-of-paraspinal-muscles-while-doing-treadmill-walking-with-high-heels
#19
Taewook Kang, Jaeseok Lee, Junghoon Seo, Dongwook Han
[Purpose] The purpose of this research is to investigate the effect of the method of bridge exercise on the change of rectus abdominis muscle and the muscle activity of paraspinal muscles while doing treadmill walking with high heels. [Subjects and Methods] The subjects of this research are healthy female students consisting of 10 persons performing bridge exercises in a supine group, 10 persons performing bridge exercises in a prone group, and 10 persons in a control group while in S university in Busan. Bridge exercise in supine position is performed in hook lying position...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533603/comparison-of-accelerometer-based-and-treadmill-based-analysis-systems-for-measuring-gait-parameters-in-healthy-adults
#20
Seung-Yeop Lim, Wan-Hee Lee
[Purpose] This study aimed to determine the correlation between accelerometer-based and treadmill-based analysis systems for measuring gait parameters during comfortable walking in healthy young adults. [Subjects and Methods] Twenty-three healthy adults participated in this study. Gait parameters were measured with simultaneous use of accelerometer-based and treadmill-based gait analysis systems, while participants walked for 30 s. [Results] There was a highly-significant correlation between the two systems with respect to cadence and velocity...
April 2017: Journal of Physical Therapy Science
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