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High-Intensity Interval Training

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https://www.readbyqxmd.com/read/28813784/longitudinal-high-density-emg-classification-case-study-in-a-glenohumeral-tmr-subject
#1
Meike A Schweisfurth, Jennifer Ernst, Ivan Vujaklija, Arndt F Schilling, Dario Farina, Oskar C Aszmann, Gunther Felmerer
Targeted muscle reinnervation (TMR) represents a breakthrough interface for prosthetic control in high-level upper-limb amputees. However, clinically, it is still limited to the direct motion-wise control restricted by the number of reinnervation sites. Pattern recognition may overcome this limitation. Previous studies on EMG classification in TMR patients experienced with myocontrol have shown greater accuracy when using high-density (HD) recordings compared to conventional single-channel derivations. This case study investigates the potential of HD-EMG classification longitudinally over a period of 17 months post-surgery in a glenohumeral amputee...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28812404/effects-of-a-low-resistance-interval-bicycling-intervention-in-parkinson-s-disease
#2
Mehmet Uygur, Maria Bellumori, Christopher A Knight
Previous studies have shown that people with Parkinson's disease (PD) benefit from a variety of exercise modalities with respect to symptom management and function. Among the possible exercise modalities, speedwork has been identified as a promising strategy, with direct implications for the rate and amplitude of nervous system involvement. Considering that previous speed-based exercise for PD has often been equipment, personnel and/or facility dependent, and often time intensive, our purpose was to develop a population-specific exercise program that could be self-administered with equipment that is readily found in fitness centers or perhaps the home...
August 16, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28811842/the-effect-of-three-different-exercise-training-modalities-on-cognitive-and-physical-function-in-a-healthy-older-population
#3
Carla Coetsee, Elmarie Terblanche
BACKGROUND: Older adults are encouraged to participate in regular physical activity to counter the age-related declines in physical and cognitive health. Literature on the effect of different exercise training modalities (aerobic vs resistance) on these health-related outcomes is not only sparse, but results are inconsistent. In general, it is believed that exercise has a positive effect on executive cognitive function, possibly because of the physiological adaptations through increases in fitness...
2017: European Review of Aging and Physical Activity
https://www.readbyqxmd.com/read/28804011/functional-outcomes-subsequent-healthcare-utilization-and-mortality-of-stroke-postacute-care-patients-in-taiwan-a-nationwide-propensity-score-matched-study
#4
Li-Ning Peng, Wan-Hsuan Lu, Chih-Kuang Liang, Ming-Yueh Chou, Chih-Ping Chung, Shu-Ling Tsai, Zhi-Jun Chen, Fei-Yuan Hsiao, Liang-Kung Chen
OBJECTIVE: To evaluate the benefits of the national stroke postacute care (PAC) program on clinical outcomes and subsequent healthcare utilization. DESIGN: Propensity score-matched case-control study using the National Health Insurance data. PARTICIPANTS: A total of 1480 stroke cases receiving PAC services and 3159 matched controls with similar stroke severity but without PAC services. MEASUREMENTS: Demographic characteristics, functional outcomes (modified Rankin Scale, Barthel Index, Lawton-Brody Instrumental Activities of Daily Living, Functional Oral Intake Scale, Mini-Nutritional Assessment, Berg Balance Test, Usual Gait Speed Test, 6-Minute Walk Test, Fugl-Meyer Assessment (modified sensation and motor), Mini-Mental State Examination, Motor Activity Log, and the Concise Chinese Aphasia Test), subsequent healthcare utilization (90-day stroke re-admission and emergency department visits), and 90-day mortality...
August 10, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28803380/aerobic-interval-training-reduces-vascular-resistances-during-submaximal-exercise-in-obese-metabolic-syndrome-individuals
#5
Ricardo Mora-Rodriguez, V E Fernandez-Elias, F Morales-Palomo, J G Pallares, M Ramirez-Jimenez, J F Ortega
PURPOSE: The aim of this study was to determine the effects of high-intensity aerobic interval training (AIT) on exercise hemodynamics in metabolic syndrome (MetS) volunteers. METHODS: Thirty-eight, MetS participants were randomly assigned to a training (TRAIN) or to a non-training control (CONT) group. TRAIN consisted of stationary interval cycling alternating bouts at 70-90% of maximal heart rate during 45 min day(-1) for 6 months. RESULTS: CONT maintained baseline physical activity and no changes in cardiovascular function or MetS factors were detected...
August 12, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28800004/sport-specific-repeated-sprint-training-improves-punching-ability-and-upper-body-aerobic-power-in-experienced-amateur-boxers
#6
Sigitas Kamandulis, Vidas Bruzas, Pranas Mockus, Alvydas Stasiulis, Audrius Snieckus, Tomas Venckunas
High-intensity interval training improves endurance and performance, but it is unclear whether sprint-type upper-body interval training is similarly effective. This study explored the effects of 4-week sport-specific sprint interval training on punch characteristics and endurance capacity in boxers. Experienced male amateur boxers (n = 18) participated in this 4-week training study, and were divided into an experimental group (EG) and a control group (CG) (n = 9 per group). Both groups completed standard low-intensity training...
August 9, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28796128/high-intensity-interval-exercises-acute-impact-on-heart-rate-variability-comparison-between-whole-body-and-cycle-ergometer-protocols
#7
Gustavo Z Schaun, Fabrício B Del Vecchio
Study aimed to compare the effects of two high-intensity interval exercises (HIIT) protocols on heart rate variability (HRV). Twelve young adult males (23.3 ± 3.9 years, 177.8 ± 7.4 cm, 76.9 ± 12.9 kg) volunteered to participate. In a randomized cross-over design, subjects performed two HIIT protocols, one on a cycle ergometer (TBT; eight 20 s bouts at 170% Pmax interspersed by 10 s rest) and another with whole-body calisthenic exercises (MCR; eight 20 s all-out intervals interspersed by 10 s rest). HRV outcomes in the time, frequency and non-linear domains were assessed on three moments: (a) pre-session; (b) immediately post-session; and (c) 24h post-session...
August 4, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28794164/hiit-produces-increases-in-muscle-power-and-free-testosterone-in-male-masters-athletes
#8
P Herbert, L D Hayes, N F Sculthorpe, F M Grace
High-intensity interval training (HIIT) improves peak power output (PPO) in sedentary aging men but has not been examined in masters endurance athletes. Therefore, we investigated whether a six-week program of low-volume HIIT would (i) improve PPO in masters athletes and (ii) whether any change in PPO would be associated with steroid hormone perturbations. Seventeen male masters athletes (60 ± 5 years) completed the intervention, which comprised nine HIIT sessions over six weeks. HIIT sessions involved six 30-s sprints at 40% PPO, interspersed with 3 min active recovery...
October 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28792851/high-intensity-interval-and-moderate-intensity-continuous-training-elicit-similar-enjoyment-and-adherence-levels-in-overweight-and-obese-adults
#9
Chantal A Vella, Katrina Taylor, Devin Drummer
BACKGROUND: High-intensity interval training (HIIT) has been shown to improve cardiometabolic health during supervised lab-based studies but adherence, enjoyment, and health benefits of HIIT performed independently are yet to be understood. We compared adherence, enjoyment, and cardiometabolic outcomes after 8 weeks of HIIT or moderate-intensity continuous training (MICT), matched for energy expenditure, in overweight and obese young adults. METHODS: 17 adults were randomized to HIIT or MICT...
August 9, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28790929/combined-interval-training-and-post-exercise-nutrition-in-type-2-diabetes-a-randomized-control-trial
#10
Monique E Francois, Cody Durrer, Kevin J Pistawka, Frank A Halperin, Courtney Chang, Jonathan P Little
Background: High-intensity interval training (HIIT) can improve several aspects of cardiometabolic health. Previous studies have suggested that adaptations to exercise training can be augmented with post-exercise milk or protein consumption, but whether this nutritional strategy can impact the cardiometabolic adaptations to HIIT in type 2 diabetes is unknown. Objective: To determine if the addition of a post-exercise milk or protein beverage to a high-intensity interval training (HIIT) intervention improves cardiometabolic health in individuals with type 2 diabetes...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28777244/the-effect-of-a-sprint-interval-and-resistance-concurrent-exercise-training-program-on-aerobic-capacity-of-inactive-adult-women
#11
Lorena Salom Huffman, Shelby J Foote, Hayden Hyatt, James R McDonald, Danielle D Wadsworth, David D Pascoe
The purpose of this investigation was to examine the effects of high-intensity concurrent exercise training (CET) consisting of sprint intervals (SIT) and resistance exercise (RET) protocols on aerobic capacity in recreationally active, adult females. Fifty-three participants were pair-matched according to preliminary maximal aerobic capacity (VO2max) Bruce protocol assessment into level-grade (SIT0) or 6% incline (SIT6) groups. This 12-week intervention consisted of three CET sessions per week. SIT protocol consisted of 2 (weeks 1-6) then 3 (weeks 7-12) sets of three 40s sprints at specific intensities to evoke responses equivalent to 95% of age-predicted maximal heart rate (HR) interspersed with 20s of rest; with 1-minute of passive recovery between sets...
August 2, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28776523/screening-of-health-care-workers-for-latent-tuberculosis-infection-in-a-tertiary-care-hospital
#12
Anand Bimari Janagond, Vithiya Ganesan, G S Vijay Kumar, Arunagiri Ramesh, Prem Anand, M Mariappan
BACKGROUND: Health-care workers (HCWs) are at increased risk of acquiring tuberculosis (TB) than the general population. While national-level data on the burden of TB in general population is available from reliable sources, nationally representative data on latent tuberculosis infection (LTBI) burden in HCWs in the high burden countries is lacking. METHODS: A prospective study was carried out to assess the risk of TB infection among HCWs who directly engage in medical duties...
July 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28772048/the-effect-of-exercise-training-on-biventricular-myocardial-strain-in-heart-failure-with-preserved-ejection-fraction
#13
Siddhartha S Angadi, Catherine L Jarrett, Moustafa Sherif, Glenn A Gaesser, Farouk Mookadam
AIMS: High-intensity interval training (HIIT) improves peak oxygen uptake and left ventricular diastology in patients with heart failure with preserved ejection fraction (HFpEF). However, its effects on myocardial strain in HFpEF remain unknown. We explored the effects of HIIT and moderate-intensity aerobic continuous training (MI-ACT) on left and right ventricular strain parameters in patients with HFpEF. Furthermore, we explored their relationship with peak oxygen uptake (VO2peak )...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28769855/ratings-of-perceived-exertion-and-self-reported-mood-state-in-response-to-high-intensity-interval-training-a-crossover-study-on-the-effect-of-chronotype
#14
Jacopo A Vitale, Antonio La Torre, Roberto Baldassarre, Maria F Piacentini, Matteo Bonato
The aim of this study was to investigate the influence of chronotype on mood state and ratings of perceived exertion (RPE) before and in response to acute high intensity interval exercise (HIIE) performed at different times of the day. Based on the morningness-eveningness questionnaire, 12 morning-types (M-types; N = 12; age 21 ± 2 years; height 179 ± 5 cm; body mass 74 ± 12 kg) and 11 evening-types (E-types; N = 11; age 21 ± 2 years; height 181 ± 11 cm; body mass 76 ± 11 kg) were enrolled in a randomized crossover study...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28763443/intermittent-hypoxic-training-improves-anaerobic-performance-in-competitive-swimmers-when-implemented-into-a-direct-competition-mesocycle
#15
Miłosz Czuba, Robert Wilk, Jakub Karpiński, Małgorzata Chalimoniuk, Adam Zajac, Józef Langfort
The main objective of this research was to evaluate the efficacy of intermittent hypoxic training (IHT) on anaerobic and aerobic capacity and swimming performance in well-trained swimmers. Sixteen male swimmers were randomly divided into a hypoxia (H) group (n = 8), which trained in a normobaric hypoxia environment, and a control (C) group (n = 8), which exercised under normoxic conditions. However, one participant left the study without explanation. During the experiment group H trained on land twice per week in simulated hypoxia (FiO2 = 15...
2017: PloS One
https://www.readbyqxmd.com/read/28757639/metabolic-effects-of-resistance-or-high-intensity-interval-training-among-glycemic-control-nonresponsive-children-with-insulin-resistance
#16
C Álvarez, R Ramírez-Campillo, R Ramírez-Velez, C Martínez, M Castro-Sepúlveda, A Alonso-Martínez, M Izquierdo
BACKGROUND: Little evidence exists on which variables of body composition or muscular strength mediates more glucose control improvements taking into account inter-individual metabolic variability to different modes of exercise training. OBJECTIVE: We examined 'mediators' to the effects of 6-weeks of resistance (RT) or high-intensity interval training (HIT) on glucose control parameters in physically inactive schoolchildren with insulin resistance. Secondly, we also determined both training-induce changes and the prevalence of responders (R) and non-responders (NR) to decrease the insulin resistance level...
July 31, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28755534/treadmill-interventions-in-children-under-six-years-of-age-at-risk-of-neuromotor-delay
#17
REVIEW
Marta Valentín-Gudiol, Katrin Mattern-Baxter, Montserrat Girabent-Farrés, Caritat Bagur-Calafat, Mijna Hadders-Algra, Rosa Maria Angulo-Barroso
BACKGROUND: Delayed motor development may occur in children with Down syndrome, cerebral palsy, general developmental delay or children born preterm. It limits the child's exploration of the environment and can hinder cognitive and social-emotional development. Literature suggests that task-specific training, such as locomotor treadmill training, facilitates motor development. OBJECTIVES: To assess the effectiveness of treadmill interventions on locomotor development in children with delayed ambulation or in pre-ambulatory children (or both), who are under six years of age and who are at risk for neuromotor delay...
July 29, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28747269/high-intensity-interval-training-and-cardiac-autonomic-control-in-individuals-with-metabolic-syndrome-a-randomised-trial
#18
Joyce S Ramos, Lance C Dalleck, Fabio Borrani, Kassia S Beetham, Gregore Iven Mielke, Katrin A Dias, Matthew P Wallen, Shelley E Keating, Robert G Fassett, Jeff S Coombes
BACKGROUND: Insulin resistance has been postulated to play a central role in the co-appearance of various cardiovascular disease risk factors constituting the metabolic syndrome (MetS). There is evidence that altered cardiac autonomic function (CAF) may precede the onset of insulin resistance. Exercise training has been shown to improve CAF in different populations, yet little is known regarding the exercise dose response for CAF. The aim of this study was to investigate the impact of different volumes of high-intensity interval training (HIIT) and traditional moderate-intensity continuous training (MICT) on CAF in participants with MetS...
July 21, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28745474/the-use-of-metabolic-power-to-assess-physical-demands-in-soccer-how-does-it-differ-from-the-traditional-approach-through-speed-running
#19
Francisco I Martínez-Cabrera, Francisco J Núñez-Sánchez
BACKGROUND: Metabolic power and speed running are in the top-10-ranked variables used to quantify the physical demand in soccer matches or training practices. The purpose of this study were 1) to compare metabolic power (MP) and the traditional approach using speed running during soccer matches in absolute values and 2) in zones of intensity in function of the playing positions. METHODS: Thirty-eight professional soccer players were analysed during 18 friendly matches from 4 preseasons (n=300) and divided into 5 groups of playing positions: central defender (CD) (n=64), wide defender (WD) (n=55), central midfielder (CM) (n=58), wide attacker (WA) (n=70) and attacker (AT) (n=53)...
July 25, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28744226/the-mucosal-immune-function-is-not-compromised-during-a-period-of-high-intensity-interval-training-is-it-time-to-reconsider-an-old-assumption
#20
Dennis-Peter Born, Christoph Zinner, Billy Sperlich
Purpose: The aim of the study was to evaluate the mucosal immune function and circadian variation of salivary cortisol, Immunoglobin-A (sIgA) secretion rate and mood during a period of high-intensity interval training (HIIT) compared to long-slow distance training (LSD). Methods: Recreational male runners (n = 28) completed nine sessions of either HIIT or LSD within 3 weeks. The HIIT involved 4 × 4 min of running at 90-95% of maximum heart rate interspersed with 3 min of active recovery while the LSD comprised of continuous running at 70-75% of maximum heart rate for 60-80 min...
2017: Frontiers in Physiology
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