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Repeated sprint training in hypoxia

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https://www.readbyqxmd.com/read/28451905/effects-of-altitude-hypoxia-on-single-and-multiple-sprint-performance-a-comprehensive-review
#1
REVIEW
Olivier Girard, Franck Brocherie, Grégoire P Millet
Many sport competitions, typically involving the completion of single- (e.g. track-and-field or track cycling events) and multiple-sprint exercises (e.g. team and racquet sports, cycling races), are staged at terrestrial altitudes ranging from 1000 to 2500 m. Our aim was to comprehensively review the current knowledge on the responses to either acute or chronic altitude exposure relevant to single and multiple sprints. Performance of a single sprint is generally not negatively affected by acute exposure to simulated altitude (i...
April 27, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28445224/impact-of-6-consecutive-days-of-sprint-training-in-hypoxia-on-performance-in-competitive-sprint-runners
#2
Nobukazu Kasai, Sahiro Mizuno, Sayuri Ishimoto, Etsuko Sakamoto, Misato Maruta, Toshiyuki Kurihara, Yuko Kurosawa, Kazushige Goto
The purpose of the present study was to determine the effects of 6 successive days of repeated sprint training in moderate hypoxia on anaerobic capacity in 100-200-m sprint runners. Eighteen male sprint runners (age, 20.0 ± 0.3 years; height, 175.9 ± 1.1 cm; body mass, 65.0 ± 1.2 kg) performed repeated cycling sprints for 6 consecutive days in either normoxic (NOR; fraction of inspired oxygen [FiO2], 20.9%; n = 9) or hypoxic conditions (HYPO; FiO2, 14.5%; n = 9). The repeated sprint ability (10 × 6-s sprints), 30-s maximal sprint ability, maximal oxygen uptake (VO2max), and 60-m running time on the track were measured before and after the training period...
April 18, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28332025/endurance-aerobic-high-intensity-and-repeated-sprint-cycling-performance-is-unaffected-by-normobaric-live-high-train-low-a-double-blind-placebo-controlled-cross-over-study
#3
Jacob Bejder, Andreas Breenfeldt Andersen, Rie Buchardt, Tanja Hultengren Larsson, Niels Vidiendal Olsen, Nikolai Baastrup Nordsborg
The aim was to investigate whether 6 weeks of normobaric "Live High-Train Low" (LHTL) using altitude tents affect highly trained athletes incremental peak power, 26-km time-trial cycling performance, 3-min all-out performance, and 30-s repeated sprint ability. In a double-blinded, placebo-controlled cross-over design, seven highly trained triathletes were exposed to 6 weeks of normobaric hypoxia (LHTL) and normoxia (placebo) for 8 h/day. LHTL exposure consisted of 2 weeks at 2500 m, 2 weeks at 3000 m, and 2 weeks at 3500 m...
May 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28277432/physiological-factors-associated-with-declining-repeated-sprint-performance-in-hypoxia
#4
Hannes Gatterer, Verena Menz, Christian Untersteiner, Kultida Klarod, Martin Burtscher
Performance loss in hypoxia might not only be caused by reduced oxygen availability, but might also be influenced by other factors, as for example oxidative stress, perceived exertion or breathing patterns. This study aimed to investigate the influence of these factors on running performance during hypoxic and normoxic shuttle-run sprinting. Eight male amateur soccer players performed shuttle-run sprints in hypoxia (FiO2∼14.8%) and normoxia (random order). Each session comprised 3-sets of 5x10s back and forth sprints (4...
March 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28223938/hypoxic-repeat-sprint-training-improves-rugby-player-s-repeated-sprint-but-not-endurance-performance
#5
Michael J Hamlin, Peter D Olsen, Helen C Marshall, Catherine A Lizamore, Catherine A Elliot
This study aims to investigate the performance changes in 19 well-trained male rugby players after repeat-sprint training (six sessions of four sets of 5 × 5 s sprints with 25 s and 5 min of active recovery between reps and sets, respectively) in either normobaric hypoxia (HYP; n = 9; FIO2 = 14.5%) or normobaric normoxia (NORM; n = 10; FIO2 = 20.9%). Three weeks after the intervention, 2 additional repeat-sprint training sessions in hypoxia (FIO2 = 14.5%) was investigated in both groups to gauge the efficacy of using "top-up" sessions for previously hypoxic-trained subjects and whether a small hypoxic dose would be beneficial for the previously normoxic-trained group...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28194720/effects-of-repeated-sprint-training-in-hypoxia-on-sea-level-performance-a-meta-analysis
#6
REVIEW
Franck Brocherie, Olivier Girard, Raphaël Faiss, Grégoire P Millet
BACKGROUND: Repeated-sprint training in hypoxia (RSH) is a recent intervention regarding which numerous studies have reported effects on sea-level physical performance outcomes that are debated. No previous study has performed a meta-analysis of the effects of RSH. OBJECTIVE: We systematically reviewed the literature and meta-analyzed the effects of RSH versus repeated-sprint training in normoxia (RSN) on key components of sea-level physical performance, i.e., best and mean (all sprint) performance during repeated-sprint exercise and aerobic capacity (i...
February 13, 2017: Sports Medicine
https://www.readbyqxmd.com/read/27441916/a-new-dose-of-maximal-intensity-interval-training-in-hypoxia-to-improve-body-composition-and-hemoglobin-and-hematocrit-levels-a-pilot-study
#7
RANDOMIZED CONTROLLED TRIAL
Marta Camacho-Cardenosa, Alba Camacho-Cardenosa, Ismael Martínez Guardado, Marta Marcos-Serrano, Rafael Timon, Guillermo Olcina
BACKGROUND: This pilot study had the aim to determine the effects of a new dose of maximal-intensity interval training in hypoxia in active adults. METHODS: Twenty-four university student volunteers were randomly assigned to three groups: hypoxia group, normoxia group or control group. The eight training sessions consisted of 2 sets of 5 repeated sprints of 10 seconds with a recovery of 20 seconds between sprints and a recovery period of 10 minutes between sets...
January 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27294771/repeated-sprint-training-in-hypoxia-induced-by-voluntary-hypoventilation-in-swimming
#8
Laurent Trincat, Xavier Woorons, Grégoire P Millet
PURPOSE: Repeated-sprint training in hypoxia (RSH) has been shown as an efficient method for improving repeated sprint ability (RSA) in team-sport players but has not been investigated in swimming. We assessed whether RSH with arterial desaturation induced by voluntary hypoventilation at low lung volume (VHL) could improve RSA to a greater extent than the same training performed under normal breathing (NB) conditions. METHODS: 16 competitive swimmers completed six sessions of repeated sprints (two sets of 16×15 m with 30 s send-off) either with VHL (RSH-VHL, n=8) or with NB (RSN, n=8)...
August 24, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27140941/no-improved-performance-with-repeated-sprint-training-in-hypoxia-versus-normoxia-a-double-blind-and-crossover-study
#9
David Montero, Carsten Lundby
CONTEXT: Few recent studies indicate that short-term repeated-sprint (RS) training in hypoxia (RSH) improves RS performance compared with identical training under normoxic conditions (RSN) in endurance-trained subjects. PURPOSE: To determine the effects of RSH against RSN on RS performance under normoxic and moderate hypoxic conditions, using a randomized, doubleblind, crossover experimental design. METHODS: Fifteen endurance-trained male subjects (age 25 ± 4 y) performed 4 wk of RS training (3 sessions/wk) in normobaric hypoxia (RSH, FiO2 = 13...
February 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27139930/psychophysiological-responses-to-repeated-sprint-training-in-normobaric-hypoxia-and-normoxia
#10
Franck Brocherie, Grégoire P Millet, Olivier Girard
PURPOSE: To compare psychophysiological responses to 6 repeated-sprint sessions in normobaric hypoxia (RSH) and normoxia (RSN) in team-sport athletes during a 2-wk "live high-train low" training camp. METHODS: While residing under normobaric hypoxia (≥14 h/d, FiO2 14.5-14.2%), 23 lowland elite field hockey players performed, in addition to their usual training, 6 sessions (4 × 5 × 5-s maximal sprints, 25-s passive recovery, 5 min rest) under either RSH (FiO2 ~14...
January 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/26804254/ampk-signaling-in-skeletal-muscle-during-exercise-role-of-reactive-oxygen-and-nitrogen-species
#11
David Morales-Alamo, Jose A L Calbet
Reactive oxygen and nitrogen species (RONS) are generated during exercise depending on intensity, duration and training status. A greater amount of RONS is released during repeated high-intensity sprint exercise and when the exercise is performed in hypoxia. By activating adenosine monophosphate-activated kinase (AMPK), RONS play a critical role in the regulation of muscle metabolism but also in the adaptive responses to exercise training. RONS may activate AMPK by direct an indirect mechanisms. Directly, RONS may activate or deactivate AMPK by modifying RONS-sensitive residues of the AMPK-α subunit...
September 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/26690262/effect-of-repeat-sprint-training-in-hypoxia-on-post-exercise-interleukin-6-and-f2-isoprostanes
#12
RANDOMIZED CONTROLLED TRIAL
Paul S R Goods, Brian Dawson, Grant J Landers, Christopher J Gore, Kevin Croft, Peter Peeling
This investigation examined the oxidative stress (F2-Isoprostane; F2-IsoP) and inflammatory (interleukin-6; IL-6) responses to repeat-sprint training in hypoxia (RSH). Ten trained male team sport athletes performed 3(sets)*9(repetitions)*5 s cycling sprints in simulated altitude (3000 m) and sea-level conditions. Mean and peak sprint power output (MPO and PPO) were recorded, and blood samples were collected pre-exercise, and again at 8 and 60 min post-exercise. Both MPO and PPO were significantly reduced in hypoxia (compared to sea-level) in the second (MPO: 855 ± 89 vs...
November 2016: European Journal of Sport Science
https://www.readbyqxmd.com/read/26664284/a-clustered-repeated-sprint-running-protocol-for-team-sport-athletes-performed-in-normobaric-hypoxia
#13
Jaime Morrison, Chris McLellan, Clare Minahan
The present study compared the performance (peak speed, distance, and acceleration) of ten amateur team-sport athletes during a clustered (i.e., multiple sets) repeated-sprint protocol, (4 sets of 4, 4-s running sprints; i.e., RSR444) in normobaric normoxia (FiO2 = 0.209; i.e., RSN) with normobaric hypoxia (FiO2 = 0.140; i.e., RSH). Subjects completed two separate trials (i. RSN, ii. RSH; randomised order) between 48 h and 72 h apart on a non-motorized treadmill. In addition to performance, we examined blood lactate concentration [La(-)] and arterial oxygen saturation (SpO2) before, during, and after the RSR444...
December 2015: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/26473762/enhanced-performance-after-repeated-sprint-training-in-hypoxia-false-or-reality
#14
LETTER
David Montero, Carsten Lundby
No abstract text is available yet for this article.
November 2015: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/26336357/no-additional-benefit-of-repeat-sprint-training-in-hypoxia-than-in-normoxia-on-sea-level-repeat-sprint-ability
#15
Paul S R Goods, Brian Dawson, Grant J Landers, Christopher J Gore, Peter Peeling
To assess the impact of 'top-up' normoxic or hypoxic repeat-sprint training on sea-level repeat-sprint ability, thirty team sport athletes were randomly split into three groups, which were matched in running repeat-sprint ability (RSA), cycling RSA and 20 m shuttle run performance. Two groups then performed 15 maximal cycling repeat-sprint training sessions over 5 weeks, in either normoxia (NORM) or hypoxia (HYP), while a third group acted as a control (CON). In the post-training cycling RSA test, both NORM (13...
September 2015: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/26269448/circadian-variation-of-salivary-immunoglobin-a-alpha-amylase-activity-and-mood-in-response-to-repeated-double-poling-sprints-in-hypoxia
#16
Dennis-Peter Born, Raphael Faiss, Sarah Jean Willis, Jana Strahler, Gregoire P Millet, Hans-Christer Holmberg, Billy Sperlich
PURPOSE: To assess the circadian variations in salivary immunoglobin A (sIgA) and alpha-amylase activity (sAA), biomarkers of mucosal immune function, together with mood during 2 weeks of repeated sprint training in hypoxia (RSH) and normoxia (RSN). METHODS: Over a 2-week period, 17 competitive cross-country skiers performed six training sessions, each consisting of four sets of five 10-s bouts of all-out double-poling under either normobaric hypoxia (FiO2: 13.8%, 3000 m) or normoxia...
January 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/26212372/effects-of-a-12-day-maximal-shuttle-run-shock-microcycle-in-hypoxia-on-soccer-specific-performance-and-oxidative-stress
#17
RANDOMIZED CONTROLLED TRIAL
Hannes Gatterer, Kultida Klarod, Dieter Heinrich, Philipp Schlemmer, Stefan Dilitz, Martin Burtscher
The purpose of this study was to investigate the effect of a maximal shuttle-run shock microcycle in hypoxia on repeated sprint ability (RSA, 6 × 40-m (6 × 20 m back and forth, 20" rest in between)), Yo-Yo-intermittent-recovery (YYIR) test performance, and redox-status. Fourteen soccer players (age: 23.9 ± 2.1 years), randomly assigned to hypoxia (∼ 3300 m) or normoxia training, performed 8 maximal shuttle-run training sessions within 12 days. YYIR test performance and RSA fatigue-slope improved independently of the hypoxia stimulus (p < 0...
August 2015: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/26155449/effect-of-training-in-hypoxia-on-repeated-sprint-performance-in-female-athletes
#18
Nobukazu Kasai, Sahiro Mizuno, Sayuri Ishimoto, Etsuko Sakamoto, Misato Maruta, Kazushige Goto
BACKGROUND: This study determined the effect of repeated sprint training in hypoxia (RSH) in female athletes. METHODS: Thirty-two college female athletes performed repeated cycling sprints of two sets of 10 × 7-s sprints with a 30-s rest between sprints twice per week for 4 weeks under either normoxic conditions (RSN group; FiO2, 20.9%; n = 16) or hypoxic conditions (RSH group; FiO2, 14.5%; n = 16). The repeated sprint ability (10 × 7-s sprints) and maximal oxygen uptake ([Formula: see text]) were determined before and after the training period...
2015: SpringerPlus
https://www.readbyqxmd.com/read/25668402/-live-high-train-low-and-high-hypoxic-training-improves-team-sport-performance
#19
RANDOMIZED CONTROLLED TRIAL
Franck Brocherie, Grégoire P Millet, Anna Hauser, Thomas Steiner, Julien Rysman, Jon P Wehrlin, Olivier Girard
PURPOSE: This study aims to investigate physical performance and hematological changes in 32 elite male team-sport players after 14 d of "live high-train low" (LHTL) training in normobaric hypoxia (≥14 h·d at 2800-3000 m) combined with repeated-sprint training (six sessions of four sets of 5 × 5-s sprints with 25 s of passive recovery) either in normobaric hypoxia at 3000 m (LHTL + RSH, namely, LHTLH; n = 11) or in normoxia (LHTL + RSN, namely, LHTL; n = 12) compared with controlled "live low-train low" (LLTL; n = 9) training...
October 2015: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/25435763/shuttle-run-sprint-training-in-hypoxia-for-youth-elite-soccer-players-a-pilot-study
#20
Hannes Gatterer, Marc Philippe, Verena Menz, Florian Mosbach, Martin Faulhaber, Martin Burtscher
The purposes of the present study were to investigate if a) shuttle-run sprint training performed in a normobaric hypoxia chamber of limited size (4.75x2.25m) is feasible, in terms of producing the same absolute training load, when compared to training in normoxia, and b) if such training improves the repeated sprint ability (RSA) and the Yo-Yo intermittent recovery (YYIR) test outcome in young elite soccer players. Players of an elite soccer training Centre (age: 15.3 ± 0.5 years, height: 1.73 ± 0.07 m, body mass: 62...
December 2014: Journal of Sports Science & Medicine
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