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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
#1
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/28528369/effect-of-physical-stress-on-drug-induced-sleep-endoscopy-for-obstructive-sleep-apnea
#2
Sang Min Park, Dong-Kyu Kim
Drug-induced sleep endoscopy (DISE) is a reliable upper airway evaluation tool, widely used to improve surgical results in patients with obstructive sleep apnea (OSA). Several factors, including sleeping position and depth of sedation, affect DISE findings. This study aimed to evaluate the impact of physical stress on DISE findings. Eighty-five patients with OSA underwent two DISE examinations at the same level of sedation. The "first DISE" (control group) was performed after polysomnography, while the "second DISE" (test group) performed immediately after a treadmill stress test...
May 20, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28526286/physical-activity-alters-limb-bone-structure-but-not-entheseal-morphology
#3
Ian J Wallace, Julia M Winchester, Anne Su, Doug M Boyer, Nicolai Konow
Studies of ancient human skeletal remains frequently proceed from the assumption that individuals with robust limb bones and/or rugose, hypertrophic entheses can be inferred to have been highly physically active during life. Here, we experimentally test this assumption by measuring the effects of exercise on limb bone structure and entheseal morphology in turkeys. Growing females were either treated with a treadmill-running regimen for 10 weeks or served as controls. After the experiment, femoral cortical and trabecular bone structure were quantified with μCT in the mid-diaphysis and distal epiphysis, respectively, and entheseal morphology was quantified in the lateral epicondyle...
June 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28525355/does-body-fat-percentage-predict-post-exercise-heart-rate-response-in-non-obese-children-and-adolescents
#4
Tatjana Jezdimirovic, Valdemar Stajer, Sasa Semeredi, Julio Calleja-Gonzalez, Sergej M Ostojic
BACKGROUND: A correlation between adiposity and post-exercise autonomic regulation has been established in overweight and obese children. However, little information exists about this link in non-obese youth. The main purpose of this cross-sectional study was to describe the relationship between body fat percentage (BFP) and heart rate recovery after exercise [post-exercise heart rate (PEHR)], a marker of autonomic regulation, in normal-weight children and adolescents. METHODS: We evaluated the body composition of 183 children and adolescents (age 15...
May 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28520463/a-preclinical-assessment-of-early-continuous-passive-motion-and-treadmill-therapeutic-exercises-for-generating-chondroprotective-effects-after-anterior-cruciate-ligament-rupture
#5
Nai-Jen Chang, Kuan-Wei Lee, Chih-Jou Chu, Ming-You Shie, Pei-Hsi Chou, Chih-Chan Lin, Peir-In Liang
BACKGROUND: Anterior cruciate ligament (ACL) injury is a well-known risk factor for the development of posttraumatic osteoarthritis (PTOA). However, whether using continuous passive motion (CPM) with or without additional treadmill exercise (TRE) in early ACL injury might provide chondroprotective effects and further decrease the risk of PTOA has yet to be determined. HYPOTHESIS: CPM may offer an enhanced chondroprotective effect, but TRE may attenuate that effect due to the mechanical stress on the joint and inflammatory cytokines in the joint...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28515696/the-reliability-and-validity-of-a-four-minute-running-time-trial-in-assessing-formula-see-text-max-and-performance
#6
Kerry McGawley
Introduction: Traditional graded-exercise tests to volitional exhaustion (GXTs) are limited by the need to establish starting workloads, stage durations, and step increments. Short-duration time-trials (TTs) may be easier to implement and more ecologically valid in terms of real-world athletic events. The purpose of the current study was to assess the reliability and validity of maximal oxygen uptake ([Formula: see text]max) and performance measured during a traditional GXT (STEP) and a four-minute running time-trial (RunTT)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28514809/iso-duration-determination-of-d%C3%A2-and-cs-under-laboratory-and-field-conditions
#7
Christoph Triska, Bettina Karsten, Alfred Nimmerichter, Harald Tschan
Whilst Critical Speed (CS) has been successfully translated from the laboratory into the field, this translation is still outstanding for the related maximum running distance (D'). Using iso-duration exhaustive laboratory and field runs, this study investigated the potential interchangeable use of both parameters, D' and CS. After an incremental exercise test, 10 male participants (age: 24.9±2.1 yrs; height: 180.8±5.8 cm; body mass: 75.3±8.6 kg; V̇ ˙VO2peak 52.9±3.1 mL∙min(-1)∙kg(-1)) performed 3 time-to-exhaustion runs on a treadmill followed by 3 exhaustive time-trial runs on a-400 m athletics outdoor track...
May 17, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28507165/reliability-and-validity-of-an-agility-like-incremental-exercise-test-with-multidirectional-change-of-direction-movements-in-response-to-a-visual-stimulus
#8
Dennis-Peter Born, Philipp Kunz, Billy Sperlich
The aim of the study was to evaluate the reliability and validity of cardiorespiratory and metabolic variables, that is, peak oxygen uptake (V'O2peak) and heart rate (HRpeak), obtained from an agility-like incremental exercise test for team sport athletes. To investigate the test-retest reliability, 25 team sport athletes (age: 22 ± 3 years, body mass: 75 ± 7 kg, height: 182 ± 6 cm) performed an agility-like incremental exercise test on the SpeedCourt (SC) system incorporating multidirectional change-of-direction (COD) movements twice...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28503536/exercise-tolerance-improves-after-pulmonary-rehabilitation-in-pulmonary-hypertension-patients
#9
Arunabh Talwar, Sonu Sahni, Sameer Verma, Sara Z Khan, Sean Dhar, Nina Kohn
Pulmonary rehabilitation (PR) is part of the recommended management plan of pulmonary hypertension (PHTN) and is important to better quality of life and exercise tolerance. This study aimed at determining effectiveness of PR on exercise capacity. Retrospective chart analysis was conducted on patients referred to our PHTN clinic for PR. Patients who had PHTN diagnosed on right heart catheterization (defined by mean pulmonary artery pressure>25 mmHg) and completed a standardized 12-week PR program were considered for the study...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28503524/treadmill-exercise-improves-motor-and-memory-functions-in-cerebral-palsy-rats-through-activation-of-pi3k-akt-pathway
#10
Sun-Young Jung, Dae-Young Kim
Cerebral palsy (CP) is a chronic disorder characterized by physical disability and disruption of brain function. We evaluated the effects of treadmill exercise on motor and memory functions in relation with phosphatidylinositol 3-kinase (PI3K)-Akt pathway using CP rat model. Rota-rod test, step-down avoidance task, 5-bromo-2'-deoxyuridine (BrdU) immunohistochemistry, and western blot for synapsin I, postsynaptic density-95 (PSD-95), PI3K, Akt, and glycogen synthase kinase-3β (GSK-3β) were performed. CP was induced by maternal lipopolysaccharide (LPS)-injection with sensorimotor restriction...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28503523/treadmill-exercise-ameliorates-depressive-symptoms-through-increasing-serotonin-expression-in-postpartum-depression-rats
#11
Eun-Sang Ji, Jae-Min Lee, Tae-Woon Kim, You-Mi Kim, Yeon-Soo Kim, Kijeong Kim
Postpartum depression (PPD) is defined as the depressive symptoms that occur from the moment of delivery until 12 months after delivery. PPD symptoms are closely associated with reduced activity of the serotonergic system. Serotonin (5-hydroxytryptamine, 5-HT) plays an important role in the pathogenesis of depression. Tryptophan hydroxylase (TPH) catalyzes the rate-limiting step of 5-HT biosynthesis in the serotonergic neurons. Exercise exerts anti-depressive effect on depression patients as well as on animal models of depression...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28503522/treadmill-exercise-alleviates-depressive-symptoms-in-rotenone-induced-parkinson-disease-rats
#12
Mal-Soon Shin, Tae-Woon Kim, Jae-Min Lee, Yun-Hee Sung, Baek-Vin Lim
Parkinson disease (PD) is characterized by selective loss of the dopaminergic neurons. The symptoms of depression following PD are closely associated with reduced activity of the serotonergic system in the dorsal raphe. We explored the antidepressive effect of exercise and its possible mechanism using the rotenone-induced PD rats. PD rats were induced by subcutaneously injection with rotenone for 14 days. The rats in the exercise groups were made to run on a treadmill for 30 min once a day during 14 consecutive days...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28502806/treadmill-exercise-delays-the-onset-of-non-motor-behaviors-and-striatal-pathology-in-the-cag140-knock-in-mouse-model-of-huntington-s-disease
#13
D P Stefanko, V D Shah, W K Yamasaki, G M Petzinger, M W Jakowec
Depression, cognitive impairments, and other neuropsychiatric disturbances are common during the prodromal phase of Huntington's disease (HD) well before the onset of classical motor symptoms of this degenerative disorder. The purpose of this study was to examine the potential impact of physical activity in the form of exercise on a motorized treadmill on non-motor behavioral features including depression-like behavior and cognition in the CAG140 knock-in (KI) mouse model of HD. The CAG140 KI mouse model has a long lifespan compared to other HD rodent models with HD motor deficits emerging after 12months of age and thus provides the opportunity to investigate early life interventions such as exercise on disease progression...
May 11, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28499513/cardiorespiratory-fitness-and-all-cause-mortality-in-men-with-emotional-distress
#14
Xuemei Sui, John Ott, Katie Becofsky, Carl J Lavie, Linda Ernstsen, Jiajia Zhang, Steven N Blair
OBJECTIVE: Mental health and emotional disorders are often associated with higher mortality risk. Whether higher cardiorespiratory fitness (CRF) reduces the risk for all-cause mortality in individuals with emotional distress is not well known. PATIENTS AND METHODS: Participants were 5240 men (mean age 46.5±9.5 years) with emotional distress (including depression, anxiety, thoughts of suicide, or a history of psychiatric or psychological counseling) who completed an extensive medical examination between 1987 and 2002, and were followed for all-cause mortality through December 31, 2003...
May 9, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28497943/the-effects-of-over-the-counter-jaw-repositioning-mouthguards-on-aerobic-performance
#15
Devon L Golem, Patrick M Davitt, Shawn M Arent
BACKGROUND: Though jaw-repositioning devices have been found to increase size of upper respiratory airways in individuals, the effects of jaw-repositioning mouthguards on respiratory function during exercise have not been fully explored. The purpose of this study is to determine the effects of over-the-counter (OTC) jaw-repositioning mouthguards on respiratory function and aerobic performance in male athletes. METHODS: College-aged, male athletes (N.=20) participated in this randomized, crossover, controlled study...
June 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28493475/change-of-left-ventricular-rigid-body-rotation-during-dipyridamole-induced-vasodilation-a-case-from-the-three-dimensional-speckle-tracking-echocardiographic-magyar-stress-study
#16
Attila Nemes, Gyula Szántó, Péter Domsik, Árpád Kormányos, Anita Kalapos, Nóra Ambrus, Tamás Forster
A patient with previous coronary stenting presented with stable angina and positive exercise treadmill test. Echocardiography with three-dimensional speckle-tracking demonstrated left ventricular rigid body rotation (near absence of left ventricular twist), whose characteristics changed dramatically during dipyridamole-induced vasodilatation. © 2017 Wiley Periodicals, Inc. J Clin Ultrasound, 2017.
May 11, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28493333/treadmill-exercise-attenuates-3-4-methylenedioxymethamphetamine-induced-memory-impairment-through-a-decrease-apoptosis-in-male-rat-hippocampus
#17
Alireza Gharebaghi, Iraj Amiri, Iraj Salehi, Siamak Shahidi, Alireza Komaki, Mehdi Mehdizadeh, Fahimeh Ghasemi Moravej, Sara Soleimani Asl
3,4-methylenedioxymethamphetamine (MDMA) leads to apoptosis in the hippocampus with consequent induction of learning and memory impairment. In this study, we have investigated the effects of treadmill exercise on memory in relation to apoptosis and oxidative stress in the hippocampi of MDMA-treated rats. Male Wistar rats received multiple intraperitoneal (IP) injections of MDMA (10 mg/kg) and exercised for one month on a treadmill (simultaneously or asynchronously with MDMA). We assessed memory function with the Morris water maze (MWM) test...
May 11, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28489465/effects-of-phototherapy-plus-physical-training-on-metabolic-profile-and-quality-of-life-in-postmenopausal-women
#18
Fernanda Rossi Paolillo, Audrey Borghi-Silva, Ross Arena, Nivaldo Antonio Parizotto, Cristina Kurachi, Vanderlei Salvador Bagnato
A cluster of metabolic abnormalities are markedly higher among postmenopausal women. The present study evaluated the effects of infrared-light-emitting diode (LED) during treadmill training on multiple metabolic markers, body fat, dietary habits and quality of life in postmenopausal women. Forty five postmenopausal women aged 50 to 60 years were randomly assigned to one of three groups; thirty women successfully completed the full study. The three groups were: (i) the LED group, which performed treadmill training associated with phototherapy (n=10); (ii) the exercise group, which carried out treadmill training only (n=10) and; (iii) the sedentary group, which neither performed physical training nor underwent phototherapy (n=10)...
May 10, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28488832/road-to-the-olympics-physical-fitness-of-medalists-of-the-canoe-sprint-junior-european-and-world-championship-events-over-the-past-20-years
#19
Viktor Bielik, Leonard Lendvorský, Lukáš Lengvarský, Peter Lopata, Róbert Petriska, Jana Pelikánová
BACKGROUND: In this article we aimed to find out whether there is a difference in physiological, anthropometric and power variables between medalists in junior international Championship events (MJCH) and the remaining members of the national team (NT) in flat water canoe sprint. METHODS: Sixty male junior kayakers from Slovak NT were tested annually between years 1995 and 2016. Sixteen of them won at least one medal (gold, silver or bronze) at junior international Championship...
May 9, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28487967/comparative-analysis-of-the-beneficial-effects-of-treadmill-training-and-electroacupuncture-in-a-rat-model-of-neonatal-hypoxia-ischemia
#20
Ha Neui Kim, Malk Eun Pak, Myung Jun Shin, Soo Yeon Kim, Yong Beom Shin, Young Ju Yun, Hwa Kyoung Shin, Byung Tae Choi
In the present study, we investigated whether treadmill training and electroacupuncture (EA) have autonomous or synergistic beneficial effects on deficits caused by neonatal hypoxia‑ischemia in Sprague-Dawley rats. For this purpose, rats subjected to hypoxia-ischemia underwent treadmill training and EA stimulation from 4 to 8 weeks of age. Conventional EA (CEA) and scalp EA (SEA) were delivered by electrical stimulation (2 Hz, 1 mA) at traditional acupoints and at the scalp to the primary motor area, respectively...
June 2017: International Journal of Molecular Medicine
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