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Silva Oliveira P, Boppre G, Fonseca H. Comparison of Polarized Versus Other Types of Endurance Training Intensity Distribution on Athletes' Endurance Performance: A Systematic Review with Meta-analysis. Sports Med 2024; 54:2071-2095. [PMID: 38717713 PMCID: PMC11329428 DOI: 10.1007/s40279-024-02034-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/08/2024] [Indexed: 08/17/2024]
Abstract
BACKGROUND Polarized training intensity distribution (POL) was recently suggested to be superior to other training intensity distribution (TID) regimens for endurance performance improvement. OBJECTIVE We aimed to systematically review and meta-analyze evidence comparing POL to other TIDs on endurance performance. METHODS PRISMA guidelines were followed. The protocol was registered at PROSPERO (CRD42022365117). PubMed, Scopus, and Web of Science were searched up to 20 October 2022 for studies in adults and young adults for ≥ 4 weeks comparing POL with other TID interventions regarding VO2peak, time-trial (TT), time to exhaustion (TTE) or speed or power at the second ventilatory or lactate threshold (V/P at VT2/LT2). Risk of bias was assessed with RoB-2 and ROBINS-I. Certainty of evidence was assessed with GRADE. Results were analyzed by random effects meta-analysis using standardized mean differences. RESULTS Seventeen studies met the inclusion criteria (n = 437 subjects). Pooled effect estimates suggest POL superiority for improving VO2peak (SMD = 0.24 [95% CI 0.01, 0.48]; z = 2.02 (p = 0.040); 11 studies, n = 284; I2 = 0%; high certainty of evidence). Superiority, however, only occurred in shorter interventions (< 12 weeks) (SMD = 0.40 [95% CI 0.08, 0.71; z = 2.49 (p = 0.01); n = 163; I2 = 0%) and for highly trained athletes (SMD = 0.46 [95% CI 0.10, 0.82]; z = 2.51 (p = 0.01); n = 125; I2 = 0%). The remaining endurance performance surrogates were similarly affected by POL and other TIDs: TT (SMD = - 0.01 [95% CI -0.28, 0.25]; z = - 0.10 (p = 0.92); n = 221; I2 = 0%), TTE (SMD = 0.30 [95% CI - 0.20, 0.79]; z = 1.18 (p = 0.24); n = 66; I2 = 0%) and V/P VT2/LT2 (SMD = 0.04 [95% CI -0.21, 0.29]; z = 0.32 (p = 0.75); n = 253; I2 = 0%). Risk of bias for randomized controlled trials was rated as of some concern and for non-randomized controlled trials as low risk of bias (two studies) and some concerns (one study). CONCLUSIONS POL is superior to other TIDs for improving VO2peak, particularly in shorter duration interventions and highly trained athletes. However, the effect of POL was similar to that of other TIDs on the remaining surrogates of endurance performance. The results suggest that POL more effectively improves aerobic power but is similar to other TIDs for improving aerobic capacity.
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Affiliation(s)
- Pedro Silva Oliveira
- Faculty of Sport, Research Centre in Physical Activity, Health and Leisure (CIAFEL), University of Porto, Rua Dr. Plácido Costa, 91, 4200-450, Porto, Portugal.
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal.
| | - Giorjines Boppre
- Faculty of Sport, Research Centre in Physical Activity, Health and Leisure (CIAFEL), University of Porto, Rua Dr. Plácido Costa, 91, 4200-450, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
- Nucleus of Research in Human Movement Science, University Adventista, 3780000, Chillan, Chile
| | - Hélder Fonseca
- Faculty of Sport, Research Centre in Physical Activity, Health and Leisure (CIAFEL), University of Porto, Rua Dr. Plácido Costa, 91, 4200-450, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
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Yamagishi T, Iwata S, Otsuka S, Ichinose H, Kawakami Y. Physiological and Metabolic Responses to Low-Volume Sprint Interval Exercises: Influence of Sprint Duration and Repetitions. Med Sci Sports Exerc 2024; 56:1265-1274. [PMID: 38451737 DOI: 10.1249/mss.0000000000003420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
PURPOSE This study aimed to determine physiological and metabolic responses to two different sprint interval exercises (SIE) matched for total sprint duration and sprint-rest ratio. METHODS After having measured peak oxygen uptake (V̇O 2peak ), 14 healthy males (27.1 ± 4.8 yr, 169.6 ± 6.0 cm, 64.5 ± 8.4 kg, V̇O 2peak : 47.2 ± 7.7 mL·kg -1 ·min -1 ) performed four 10-s sprints with 80-s recovery (SIE10) and two 20-s sprints with 160-s recovery (SIE20) on different occasions in a counterbalanced crossover manner. Pulmonary V̇O 2 and changes in tissue oxygenation index (∆TOI) at vastus lateralis (VL) and rectus femoris (RF) were measured during the SIE. Furthermore, T2-weighted magnetic resonance imaging was taken immediately before and after the SIE to determine the activation levels of VL, RF, vastus medialis, vastus intermedius, adductor magnus, biceps femoris long head, semitendinosus, and semimembranosus at 50% of right thigh length. RESULTS In SIE10, increases in V̇O 2 and ∆TOI at VL and RF plateaued after the second sprint, whereas session-averaged ∆TOI was greater in SIE20 than SIE10 in both muscles (VL: 20.9 ± 7.4 vs 14.2% ± 5.9%, RF: 22.8 ± 9.3 vs 12.9% ± 6.6%, P = 0.00). Although both SIE significantly increased T2 values in all eight muscles, those magnitudes were similar between the conditions (SIE10 vs SIE20: 5%-16% vs 8%-16%). CONCLUSIONS This study showed blunted responses of whole-body (V̇O 2 ) and peripheral (∆TOI) oxidative responses with successive sprints (sprint 1 < sprints 2-4) in SIE10, suggesting that increasing sprint repetitions does not necessarily induce greater oxidative metabolism or stimulus. Moreover, greater peripheral oxygen extraction (∆TOI) was achieved with SIE20, whereas %changes of T2 indicates that the thigh muscles were similarly activated between the SIE conditions.
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Affiliation(s)
| | - Soya Iwata
- Division of Vehicle Development, Mazda Motor Corporation, Hiroshima, JAPAN
| | - Shun Otsuka
- Department of Anatomy, Aichi Medical University, Aichi, JAPAN
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Stöggl TL, Strepp T, Wiesinger HP, Haller N. A training goal-oriented categorization model of high-intensity interval training. Front Physiol 2024; 15:1414307. [PMID: 38957216 PMCID: PMC11218030 DOI: 10.3389/fphys.2024.1414307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 05/27/2024] [Indexed: 07/04/2024] Open
Abstract
There are various categorization models of high-intensity interval training (HIIT) in the literature that need to be more consistent in definition, terminology, and concept completeness. In this review, we present a training goal-oriented categorization model of HIIT, aiming to find the best possible consensus among the various defined types of HIIT. This categorization concludes with six different types of HIIT derived from the literature, based on the interaction of interval duration, interval intensity and interval:recovery ratio. We discuss the science behind the defined types of HIIT and shed light on the possible effects of the various types of HIIT on aerobic, anaerobic, and neuromuscular systems and possible transfer effects into competition performance. We highlight various research gaps, discrepancies in findings and not yet proved know-how based on a lack of randomized controlled training studies, especially in well-trained to elite athlete cohorts. Our HIIT "toolbox" approach is designed to guide goal-oriented training. It is intended to lay the groundwork for future systematic reviews and serves as foundation for meta-analyses.
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Affiliation(s)
- Thomas L. Stöggl
- Department of Sport and Exercise Science, Paris Lodron University Salzburg, Salzburg, Austria
- Red Bull Athlete Performance Center, Thalgau, Austria
| | - Tilmann Strepp
- Department of Sport and Exercise Science, Paris Lodron University Salzburg, Salzburg, Austria
| | - Hans-Peter Wiesinger
- Department of Sport and Exercise Science, Paris Lodron University Salzburg, Salzburg, Austria
- Institute of Nursing Science and Practice, Paracelsus Medical University, Salzburg, Austria
- Institute of General Practice, Family Medicine and Preventive Medicine, Paracelsus Medical University, Salzburg, Austria
| | - Nils Haller
- Department of Sport and Exercise Science, Paris Lodron University Salzburg, Salzburg, Austria
- Department of Sports Medicine, Rehabilitation and Disease Prevention, Johannes Gutenberg University, Mainz, Germany
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Lee MC, Hsu YJ, Chen MT, Kuo YW, Lin JH, Hsu YC, Huang YY, Li CM, Tsai SY, Hsia KC, Ho HH, Huang CC. Efficacy of Lactococcus lactis subsp. lactis LY-66 and Lactobacillus plantarum PL-02 in Enhancing Explosive Strength and Endurance: A Randomized, Double-Blinded Clinical Trial. Nutrients 2024; 16:1921. [PMID: 38931275 PMCID: PMC11206817 DOI: 10.3390/nu16121921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 06/14/2024] [Accepted: 06/15/2024] [Indexed: 06/28/2024] Open
Abstract
Probiotics are posited to enhance exercise performance by influencing muscle protein synthesis, augmenting glycogen storage, and reducing inflammation. This double-blind study randomized 88 participants to receive a six-week intervention with either a placebo, Lactococcus lactis subsp. lactis LY-66, Lactobacillus plantarum PL-02, or a combination of both strains, combined with a structured exercise training program. We assessed changes in maximal oxygen consumption (VO2max), exercise performance, and gut microbiota composition before and after the intervention. Further analyses were conducted to evaluate the impact of probiotics on exercise-induced muscle damage (EIMD), muscle integrity, and inflammatory markers in the blood, 24 and 48 h post-intervention. The results demonstrated that all probiotic groups exhibited significant enhancements in exercise performance and attenuation of muscle strength decline post-exercise exhaustion (p < 0.05). Notably, PL-02 intake significantly increased muscle mass, whereas LY-66 and the combination therapy significantly reduced body fat percentage (p < 0.05). Analysis of intestinal microbiota revealed an increase in beneficial bacteria, especially a significant rise in Akkermansia muciniphila following supplementation with PL-02 and LY-66 (p < 0.05). Overall, the combination of exercise training and supplementation with PL-02, LY-66, and their combination improved muscle strength, explosiveness, and endurance performance, and had beneficial effects on body composition and gastrointestinal health, as evidenced by data obtained from non-athlete participants.
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Affiliation(s)
- Mon-Chien Lee
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 333325, Taiwan; (M.-C.L.); (Y.-J.H.)
- Center for General Education, Taipei Medical University, Taipei 110301, Taiwan
| | - Yi-Ju Hsu
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 333325, Taiwan; (M.-C.L.); (Y.-J.H.)
| | - Mu-Tsung Chen
- Committee on General Studies, Shih Chien University, Taipei City 104, Taiwan;
| | - Yi-Wei Kuo
- Functional R&D Department, Research and Design Center, Glac Biotech Co., Ltd., Tainan City 744, Taiwan; (Y.-W.K.); (J.-H.L.); (Y.-Y.H.); (C.-M.L.); (H.-H.H.)
| | - Jia-Hung Lin
- Functional R&D Department, Research and Design Center, Glac Biotech Co., Ltd., Tainan City 744, Taiwan; (Y.-W.K.); (J.-H.L.); (Y.-Y.H.); (C.-M.L.); (H.-H.H.)
| | - Yu-Chieh Hsu
- Research Product Department, Research and Design Center, Glac Biotech Co., Ltd., Tainan City 744, Taiwan; (Y.-C.H.); (S.-Y.T.); (K.-C.H.)
| | - Yen-Yu Huang
- Functional R&D Department, Research and Design Center, Glac Biotech Co., Ltd., Tainan City 744, Taiwan; (Y.-W.K.); (J.-H.L.); (Y.-Y.H.); (C.-M.L.); (H.-H.H.)
| | - Ching-Min Li
- Functional R&D Department, Research and Design Center, Glac Biotech Co., Ltd., Tainan City 744, Taiwan; (Y.-W.K.); (J.-H.L.); (Y.-Y.H.); (C.-M.L.); (H.-H.H.)
| | - Shin-Yu Tsai
- Research Product Department, Research and Design Center, Glac Biotech Co., Ltd., Tainan City 744, Taiwan; (Y.-C.H.); (S.-Y.T.); (K.-C.H.)
| | - Ko-Chiang Hsia
- Research Product Department, Research and Design Center, Glac Biotech Co., Ltd., Tainan City 744, Taiwan; (Y.-C.H.); (S.-Y.T.); (K.-C.H.)
| | - Hsieh-Hsun Ho
- Functional R&D Department, Research and Design Center, Glac Biotech Co., Ltd., Tainan City 744, Taiwan; (Y.-W.K.); (J.-H.L.); (Y.-Y.H.); (C.-M.L.); (H.-H.H.)
- Research Product Department, Research and Design Center, Glac Biotech Co., Ltd., Tainan City 744, Taiwan; (Y.-C.H.); (S.-Y.T.); (K.-C.H.)
| | - Chi-Chang Huang
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 333325, Taiwan; (M.-C.L.); (Y.-J.H.)
- Tajen University, Pingtung 907101, Taiwan
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Ma D, Silva RM, Xu Q, Wang K, Zhao Z. Jumping Interval Training: An Effective Training Method for Enhancing Anaerobic, Aerobic, and Jumping Performances in Aerobic Gymnastics. J Sports Sci Med 2024; 23:410-417. [PMID: 38841645 PMCID: PMC11149082 DOI: 10.52082/jssm.2024.410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 05/02/2024] [Indexed: 06/07/2024]
Abstract
The aim of this study was to compare the effects of jumping interval training (JIT) and running high-intensity interval training (HIIT) on the aerobic, anaerobic and jumping performances of youth female aerobic gymnasts. A randomized controlled study was conducted over an 8-week period, involving 73 youth female athletes (16.2 ± 1.3 years old) of aerobic gymnastics. The study comprised two experimental groups (JIT and HIIT) and a control group. Participants in the experimental groups engaged in two additional training sessions per week alongside their regular training regimen, while the control group followed their usual training routine. Before and after the intervention period, gymnasts were assessed for their performance in the countermovement jump test (CMJ), the specific aerobic gymnastics anaerobic test (SAGAT) and the 20-m multistage fitness test. Significant interactions time × group were found in SAGAT (p < 0.001; = 0.495), CMJ (p < 0.001; = 0.338) and 20-m multistage fitness test (p < 0.001; = 0.500). The time × group analysis post-intervention revealed significantly lower scores in SAGAT for the control group compared to the JIT (p = 0.003) and HIIT (p = 0.034). Additionally, significantly higher scores were observed for the JIT group in the CMJ test compared to the HIIT (p = 0.020) and control (p = 0.028) groups following the intervention. Finally, the 20 m multistage fitness test post-intervention revealed significantly lower scores for the control group compared to JIT (p < 0.001) and HIIT (p < 0.001). Both JIT and HIIT are recommended training strategies to adopt in aerobic gymnastics for significantly improving the aerobic and anaerobic performances of athletes. However, JIT may be particularly relevant to use as it offers additional benefits in improving vertical jumping performances.
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Affiliation(s)
- Dong Ma
- Gdansk University of Physical Education and Sport, Gdańsk, Poland
| | - Rui Miguel Silva
- Escola Superior Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun'Álvares, Viana do Castelo, Portugal
| | - Qi Xu
- Gdansk University of Physical Education and Sport, Gdańsk, Poland
| | - Ke Wang
- School of sport education, Tianjin University of sport, Tianjin
| | - Zijian Zhao
- Gdansk University of Physical Education and Sport, Gdańsk, Poland
- School of Physical Education, Zhengzhou University, Henan, China
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Holmes AJ, Stratton MT, Bailly AR, Gottschall JS, Feito Y, Ha PL, Lavigne A, Persaud K, Gagnon HL, Krueger A, Modjeski A, Esmat TA, Harper LN, VanDusseldorp TA, Hester GM. Effects of plyometric- and cycle-based high-intensity interval training on body composition, aerobic capacity, and muscle function in young females: a field-based group fitness assessment. Appl Physiol Nutr Metab 2023; 48:932-945. [PMID: 37556856 DOI: 10.1139/apnm-2022-0465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
High-intensity interval training (HIIT) is an effective alternative to moderate intensity continuous training for improvements in body composition and aerobic capacity; however, there is little work comparing different modalities of HIIT. The purpose of this study was to compare the effects of plyometric- (PLYO) and cycle-oriented (CYC) HIIT on body composition, aerobic capacity, and skeletal muscle size, quality, and function in recreationally trained females. Young (21.7 ± 3.1 yrs), recreationally active females were quasi-randomized (1:1 ratio) to 8 weeks of twice weekly PLYO (n = 15) or CYC (n = 15) HIIT. Body composition (four-compartment model), VO2peak, countermovement jump performance, muscle size, and echo intensity (muscle quality), as well as strength and power of the knee extensors and plantar flexors were measured before and after training. Both groups showed a similar decrease in body fat percentage (p < 0.001;η p 2 = 0.409) and echo intensity (p < 0.001;η p 2 = 0.558), and an increase in fat-free mass (p < 0.001;η p 2 = 0.367) and VO2peak (p = 0.001;η p 2 = 0.318). Muscle size was unaffected (p > 0.05), whereas peak torque was reduced similarly in both groups (p = 0.017;η p 2 = 0.188) and rapid torque capacity was diminished only for the knee extensors after CYC (p = 0.022; d = -0.67). These results suggest that PLYO and CYC HIIT are similarly effective for improving body composition, aerobic capacity, and muscle quality, whereas muscle function may express moderate decrements in recreationally active females. ClinicalTrials.gov (NCT05821504).
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Affiliation(s)
- A J Holmes
- Department of Exercise Science and Sport Management, Kennesaw State University, GA, USA
| | - M T Stratton
- Department of Health, Kinesiology, and Sport, University of South Alabama, AL, USA
| | - A R Bailly
- Department of Exercise Science and Sport Management, Kennesaw State University, GA, USA
| | - J S Gottschall
- Department of Integrative Physiology, University of Colorado, CO, USA
| | - Y Feito
- Nea Onnim Consultancy, St. Augustine, FL, USA
| | - P L Ha
- Department of Exercise Science and Sport Management, Kennesaw State University, GA, USA
| | - A Lavigne
- Dr. Betty L. Siegel Student Recreation and Activities Center, Kennesaw State University, GA, USA
| | - K Persaud
- Department of Exercise Science and Sport Management, Kennesaw State University, GA, USA
| | - H L Gagnon
- Department of Exercise Science and Sport Management, Kennesaw State University, GA, USA
| | - A Krueger
- Department of Exercise Science and Sport Management, Kennesaw State University, GA, USA
| | - A Modjeski
- Department of Exercise Science and Sport Management, Kennesaw State University, GA, USA
| | - T A Esmat
- Department of Exercise Science and Sport Management, Kennesaw State University, GA, USA
| | - L N Harper
- Department of Exercise Science and Sport Management, Kennesaw State University, GA, USA
| | - T A VanDusseldorp
- Bonafide Health, LLC, JDS Therapeutics, NY, USA
- Department of Health and Exercise Sciences, Jacksonville University, FL, USA
| | - G M Hester
- Department of Exercise Science and Sport Management, Kennesaw State University, GA, USA
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Lu J, Zhang LM, Liu JJ, Liu YT, Lin XY, Wang XQ, Zhang Y, Tang Q, Liu L. High-intensity interval training alleviates exhaustive exercise-induced HSP70-assisted selective autophagy in skeletal muscle. J Physiol Sci 2023; 73:32. [PMID: 37990150 DOI: 10.1186/s12576-023-00884-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 10/20/2023] [Indexed: 11/23/2023]
Abstract
This study was designed to probe the effect of chaperone-assisted selective autophagy (CASA) on the maintenance of proteostasis during exhaustive exercise and uncover the alteration of CASA in muscle fibers with pre-high-intensity interval training (HIIT) intervention-induced muscle adaptation in response to exhaustive exercise. Rats were randomly divided into a control group; an exhaustive exercise group; and an HIIT + exhaustive exercise group. Results show myofibril damage and BiP levels were increased after exhaustive exercise, and the levels of the HSP70, BAG3, ubiquitin, autophagy-related proteins, and their interactions were increased. HIIT intervention before exhaustive exercise could decrease myofibril injury and BiP levels, accompanied by down-regulation of HSP70/BAG3 complex and selective autophagy. In conclusion, exhaustive exercise promotes CASA to clear protein aggregation for keeping proteostasis in muscle fibers; pre-HIIT intervention improves myofibril injury and unfold protein response caused by exhaustive exercise, which might contribute to inhibit the augmentation of CASA.
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Affiliation(s)
- Jiao Lu
- School of Sports and Health, Nanjing Sport Institute, Nanjing, 210014, China
- Jiangsu Collaborative Innovation Center for Sport and Health Project, Nanjing, 210014, China
| | - Liu-Mei Zhang
- School of Sports and Health, Nanjing Sport Institute, Nanjing, 210014, China
| | - Jing-Jing Liu
- School of Sports and Health, Nanjing Sport Institute, Nanjing, 210014, China
| | - Yu-Ting Liu
- School of Sports and Health, Nanjing Sport Institute, Nanjing, 210014, China
| | - Xiao-Ye Lin
- School of Sports and Health, Shanghai University·of Sport, Shanghai, 200000, China
| | - Xue-Qi Wang
- School of Sports and Health, Nanjing Sport Institute, Nanjing, 210014, China
| | - Yuan Zhang
- School of Sports and Health, Nanjing Sport Institute, Nanjing, 210014, China
| | - Qiang Tang
- School of Sports and Health, Nanjing Sport Institute, Nanjing, 210014, China
- Jiangsu Collaborative Innovation Center for Sport and Health Project, Nanjing, 210014, China
| | - Lin Liu
- School of Sports and Health, Nanjing Sport Institute, Nanjing, 210014, China.
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Park SY, Yang WH. Applied high-intensity interval cardio yoga improves cardiometabolic fitness, energetic contributions, and metabolic flexibility in healthy adults. Front Physiol 2023; 14:1279505. [PMID: 37916218 PMCID: PMC10616977 DOI: 10.3389/fphys.2023.1279505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 09/21/2023] [Indexed: 11/03/2023] Open
Abstract
Purpose: Currently, there is no interventional approach to increase the intensity of Surya Namaskar a popular hatha yoga sequence used worldwide. Therefore, this study investigated how tempo-based high-intensity interval cardio yoga (HIICY) and traditional interval hatha yoga (TIHY) affects cardiometabolic fitness in active adults. Methods: Twenty physically active male and female individuals were randomly separated into HIICY (5 males, 5 females, 1.5 s tempo) and TIHY (5 males, 5 females, 3 s tempo) groups. The intervention included twelve exercise sessions for 4 weeks in both groups. Participants conducted a ramp test to determine their maximal oxygen uptake (V ˙ O2max), maximal velocity at V ˙ O2max (vV ˙ O2max), and maximal heart rate (HRmax). Afterward, they performed a 10-min high-intensity cardio yoga test (HICYT) to determine heart rate (HRpeak and HRmean), oxygen uptake (V ˙ O2peak and V ˙ O2mean), respiratory exchange ratio (RER), blood lactate concentrations (La- peak and ∆La-), fat and carbohydrate oxidations (FATox, CHOox), and energetic contributions (oxidative; W Oxi, glycolytic; W Gly, and phosphagen; W PCr, total energy demand; W Total). Results: V ˙ O2max and vV ˙ O2max showed time and group × time interactions (p < 0.01, p < 0.0001, p < 0.001, respectively). V ˙ O2max after HIICY was significantly higher than in pre-testing and following TIHY (p < 0.001, p < 0.0001, respectively). V ˙ O2peak, V ˙ O2mean, RER, HRpeak, and HRmean during the 10-min HICYT showed significant time effects (p < 0.05). ∆La- indicated a group × time interaction (p < 0.05). Group x time interaction effects for FATox at the fourth and sixth minute were observed (p < 0.05, respectively). Absolute (kJ) and relative (%) W Oxi, W Gly, and W Total showed time and group × time interaction effects (p < 0.05, p < 0.01, respectively). Furthermore, %W Gly was reduced following HIICY (p < 0.05). Additionally, V ˙ O2max and vV ˙ O2max were highly correlated with W Oxi in kJ (r = 0.91, 0.80, respectively). Moderate to high correlations were observed among CHOox, FATox, and absolute V ˙ O2max (r = 0.76, 0.62, respectively). Conclusion: A 4-week period of HIICY improved cardiometabolic fitness, oxidative capacity, and metabolic flexibility compared with TIHY, in physically active adults. Therefore, HIICY is suitable as HY-specific HIIT and time-efficient approach for relatively healthy individuals.
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Affiliation(s)
- So-Young Park
- Graduate School of Sports Medicine, CHA University, Pocheon-si, Gyeonggi-do, Republic of Korea
| | - Woo-Hwi Yang
- Graduate School of Sports Medicine, CHA University, Pocheon-si, Gyeonggi-do, Republic of Korea
- Department of Medicine, General Graduate School, CHA University, Pocheon-si, Gyeonggi-do, Republic of Korea
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Symons TB, Roberts AH, Carter KA, Caruso JF. The Addition of Sprint Interval Training to Field Lacrosse Training Increases Rate of Torque Development and Contractile Impulse in Female High School Field Lacrosse Players. J Funct Morphol Kinesiol 2023; 8:89. [PMID: 37489302 PMCID: PMC10366844 DOI: 10.3390/jfmk8030089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/21/2023] [Accepted: 04/23/2023] [Indexed: 07/26/2023] Open
Abstract
Field lacrosse requires sudden directional changes and rapid acceleration/deceleration. The capacity to perform these skills is dependent on explosive muscle force production. Limited research exists on the potential of sprint interval training (SIT) to impact explosive muscle force production in field lacrosse players. The purpose of this study is to examine SIT, concurrent to field-lacrosse-specific training, on the rate of torque development (RTD), contractile impulse, and muscle function in female high school field lacrosse players (n = 12; 16 ± 1 yrs.). SIT was performed three times per week, concurrent to field-lacrosse-specific training, for 12 weeks. Right lower-limb muscle performance was assessed pre-, mid-, and post-SIT training via isometric and isokinetic concentric knee extensor contractions. Outcomes included RTD (Nm·s-1), contractile impulse (Nm·s), and peak torque (Nm). RTD for the first 50 ms of contraction improved by 42% by midseason and remained elevated at postseason (p = 0.004, effect size (ES) = -577.3 to 66.5). Contractile impulse demonstrated a training effect across 0-50 ms (42%, p = 0.004, ES = -1.4 to 0.4), 0-100 ms (33%, p = 0.018, ES = 3.1 to 0.9), and 0-200 ms (22%, p = 0.031, ES = -7.8 to 1.6). Isometric (0 rad·s-1) and concentric (3.1 rad·s-1) strength increased by 20% (p = 0.002, ES = -60.8 to -20.8) and 9% (p = 0.038, ES = -18.2 to 0.0) from SIT and field-lacrosse-specific training, respectively (p < 0.05). SIT, concurrent to field-lacrosse-specific training, enhanced lower-limb skeletal muscle performance, which may enable greater sport-specific gains.
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Affiliation(s)
- T Brock Symons
- Department of Counselling, Health, and Kinesiology, Texas A&M University-San Antonio, San Antonio, TX 78224, USA
| | - Alexandra H Roberts
- Department of Dietetics, Nutrition and Sport, La Trobe University, Melbourne, VIC 3086, Australia
| | - Kathleen A Carter
- College of Engineering, Science Technology, Agriculture, Central State University, Wilberforce, OH 45384, USA
| | - John F Caruso
- Department of Health and Sport Sciences, University of Louisville, Louisville, KY 40292, USA
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10
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Gutiérrez-Arroyo J, García-Heras F, Carballo-Leyenda B, Villa-Vicente JG, Rodríguez-Medina J, Rodríguez-Marroyo JA. Effect of a High-Intensity Circuit Training Program on the Physical Fitness of Wildland Firefighters. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2073. [PMID: 36767438 PMCID: PMC9916003 DOI: 10.3390/ijerph20032073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Wildland firefighting implies high physical and psychological demands for the personnel involved. Therefore, good physical fitness can help increase the work efficiency of wildland firefighters (WFFs) and safeguard their health. High-intensity circuit training (HICT) could be a good alternative to improve the physical condition of WFFs since it stands out for its functionality and economy. Therefore, the objective of this study was to analyze the effects of HICT on the WFFs' physical fitness. The study involved 9 WFFs (8 males and 1 female; 29.8 ± 2.8 years; 175.6 ± 6.7 cm) who completed a training program and 9 WFF candidates (8 males and 1 female; 24.7 ± 6.6 yr, 176.5 ± 7.0 cm) as a control group. WFFs performed an 8-week HICT program (two weekly training sessions). The training sessions lasted approximately 45 min and were performed at an intensity >80% of maximal heart rate and RPE values >7.5. At the beginning and the end of the intervention, subjects' physical fitness (i.e., aerobic capacity, cardiorespiratory endurance, muscular resistance and explosive strength) was assessed through different tests. After completing the training program, WFFs had significantly increased (p < 0.05) the speed at which the ventilatory thresholds were determined (12.4 ± 13.9 and 5.7 ± 7.3% for the ventilatory and respiratory compensation thresholds, respectively) and also their abdominal (31.2 ± 17.2%), lumbar (34.1 ± 13.5%) and upper limb (13.3 ± 16.0%) strength. Moreover, improvements (p < 0.05) in the explosive strength of legs (7.1 ± 5.8%) and performance in a specific physical employment test (12.2 ± 6.1%) were observed. In conclusion, the results of this study show that an 8-week high-intensity circuit training program could be an effective and safe method to improve WFFs' physical fitness and performance.
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11
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Uphill versus downhill high-intensity training effectiveness in preserving vascular function and exercise performance in runners who reduce their regular endurance training. SPORT SCIENCES FOR HEALTH 2023; 19:249-257. [PMID: 36567917 PMCID: PMC9765377 DOI: 10.1007/s11332-022-01029-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 12/10/2022] [Indexed: 12/24/2022]
Abstract
Purpose The COVID-19 restrictions have limited outdoor physical activities. High-intensity training (HIT) may be a valid indoor alternative. We tested whether an indoor HIT is effective in maintaining vascular function and exercise performance in runners who reduce their usual endurance training, and whether a downhill HIT is as effective as an uphill one for such purposes. Methods Sixteen runners performed the same 6-week HIT either uphill (UP, eight runners) or downhill (DOWN, eight runners). Eight runners continuing their usual endurance training acted as a control group (CON). The following data were collected before vs after our HIT: vascular conductance during rapid leg vasodilation to assess vasodilation capacity; V̇O2max through running incremental test to exhaustion; 2000 m running time; neuromuscular indexes related to lower-limb muscle strength. Results Both uphill and downhill HIT failed in maintaining the pre-HIT leg vasodilation capacity compared to CON, which was, however, blunted more after uphill than downhill HIT. V̇O2max and 2000 m time were similar after downhill HIT compared to CON, and augmented after uphill HIT compared to CON and DOWN. Indexes of lower-limb muscle strength were similar before vs after HIT and among groups. Conclusion Our HIT was ineffective in maintaining the pre-HIT leg vasodilation capacity compared to runners continuing their usual low-intensity endurance training, but did not lead to reductions in V̇O2max, 2000 m time performance, and indexes related to lower-limb muscle strength. Our data show an appealing potential for preserving exercise performance with low cardiorespiratory effort via downhill running.
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12
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Roger R, Kinch R, Morris M, Grebenik P. Changes in submaximal and maximal measures of cardio-respiratory fitness resulting from 6-days of mountain walking. J Sports Sci 2022; 40:2353-2358. [PMID: 36581606 DOI: 10.1080/02640414.2022.2150387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Trekking is a popular activity associated with cardiovascular benefits. The aim of the present study was to investigate changes in the submaximal heart rate, oxygen uptake, oxygen pulse, and blood lactate concentration associated with a 6-day mountain walk. Over a 12-year period, 134 male (age 21.0 ± 1.4 years) and 124 female undergraduates (age 20.8 ± 1.6 years) participated. Three days before the trek submaximal and maximal laboratory measures were made on participants walking on a motorized treadmill using a breath-by-breath system to measure oxygen uptake (VO2) during exercise. Oxygen uptake and heart rate were recorded during steady-state exercise at treadmill gradients 0, 4, 8, 12, and 16%. Measurements were made, at the same time of day, two days after the trek. There were significant improvements in both the walking economy and the relative exercise intensity (%VO2max) at submaximal treadmill gradients 0-16%. Post-trek, heart rate was lower while oxygen pulse was higher, at each treadmill gradient. There was a significant increase in the maximal oxygen uptake for men (+2.7%) and women (+2.9%). The results of the present study suggest that improvements in cardiorespiratory fitness are associated with a 6-day mountain walk with no sex difference in the exercise response. .
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Affiliation(s)
- Ramsbottom Roger
- Faculty of Health and Life Sciences, Oxford Brookes University, Oxford, UK
| | - Rhodri Kinch
- Faculty of Health and Life Sciences, Oxford Brookes University, Oxford, UK
| | - Martyn Morris
- School of Life Sciences, Coventry University, Coventry, UK
| | - Peter Grebenik
- Faculty of Health and Life Sciences, Oxford Brookes University, Oxford, UK
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Effect of Low-Intensity Aerobic Training Combined with Blood Flow Restriction on Body Composition, Physical Fitness, and Vascular Responses in Recreational Runners. Healthcare (Basel) 2022; 10:healthcare10091789. [PMID: 36141401 PMCID: PMC9499162 DOI: 10.3390/healthcare10091789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/12/2022] [Accepted: 09/15/2022] [Indexed: 11/17/2022] Open
Abstract
This study investigated the effect of low-intensity aerobic training combined with blood flow restriction (LABFR) on body composition, physical fitness, and vascular functions in recreational runners. The participants were 30 healthy male recreational runners, randomized between the LABFR (n = 15) and control (n = 15) groups. The LABFR group performed five sets of a repeated pattern of 2 min running at 40% VO2max and 1 min passive rest, while wearing the occlusion cuff belts on the proximal end of the thigh. The frequency was three times a week for the period of eight weeks. The control group performed the identical running protocol without wearing the occlusion cuff belts. At the end of the training, the participants’ body composition (fat mass, body fat, muscle mass, and right and left thigh circumference), physical fitness (power and VO2max), and vascular responses (flow-mediated dilation (FMD), brachial ankle pulse wave velocity (baPWV), ankle brachial index (ABI), systolic blood pressure (SBP) and diastolic blood pressure (DBP)) were measured. The results showed a significant time × group interaction effect on muscle mass (F = 53.242, p = 0.001, ηp2 = 0.664) and right thigh circumference (F = 4.544, p = 0.042, ηp2 = 0.144), but no significant variation in any other factors, including fat mass, body fat, left thigh circumference, FMD, baPWV, ABI, SBP, and DBP (p > 0.05). Overall, our results suggested that eight-week LABFR exerted a positive effect on the body composition, especially muscle mass and thigh circumference, of recreational runners.
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14
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Zhao K, Hu Z, Wang T, Tian L, Wang M, Liu R, Zuo C, Jihua W. Acute effects of two different work-to-rest ratio of high-intensity interval training on brain-derived neurotrophic factor in untrained young men. Front Physiol 2022; 13:988773. [PMID: 36160866 PMCID: PMC9490303 DOI: 10.3389/fphys.2022.988773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/11/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Aerobic exercise could produce a positive effect on the brain by releasing brain-derived neurotrophic factor (BDNF). In untrained healthy humans there seems to be a linear correlation between exercise duration and the positive effect of acute aerobic exercise on brain-derived neurotrophic factor levels. Therefore, we performed two different duration of high-intensity interval training protocols (HIIT), both known to improve cardiovascular fitness, to determine whether then have a similar efficacy in affecting brain-derived neurotrophic factor levels.Methods: 12 untrained young males (aged 23.7 ± 1.8 years), participated in a randomized controlled cross-over trial. They underwent two different work-to-rest ratio high-intensity interval training protocols: high-intensity interval training 1 (30 min, 15 intervals of 1 min efforts at 85%–90% VO2max with 1 min of active recovery at 50%–60% VO2max) and HIIT2 (30 min, 10 intervals of 2 min efforts at 85%–90% VO2max with 1 min of active recovery at 50%–60% VO2max). Serum cortisol, brain-derived neurotrophic factor were collected at baseline, immediately following intervention, and 30 min into recovery for measurements using a Sandwich ELISA method, blood lactate was measured by using a portable lactate analyzer.Results: Our results showed that the similar serum brain-derived neurotrophic factor change in both high-intensity interval training protocols, with maximal serum brain-derived neurotrophic factor levels being reached toward the end of intervention. There was no significant change in serum brain-derived neurotrophic factor from baseline after 30 min recovery. We then showed that both high-intensity interval training protocols significantly increase blood lactate and serum cortisol compared with baseline value (high-intensity interval training p < 0.01; high-intensity interval training 2 p < 0.01), with high-intensity interval training 2 reaching higher blood lactate levels than high-intensity interval training 1 (p = 0.027), but no difference was observed in serum cortisol between both protocols. Moreover, changes in serum brain-derived neurotrophic factor did corelate with change in blood lactate (high-intensity interval training 1 r = 0.577, p < 0.05; high-intensity interval training 2 r = 0.635, p < 0.05), but did not correlate with the change in serum cortisol.Conclusions: brain-derived neurotrophic factor levels in untrained young men are significantly increased in response to different work-to-rest ratio of high-intensity interval training protocols, and the magnitude of increase is exercise duration independent. Moreover, the higher blood lactate did not raise circulating brain-derived neurotrophic factor. Therefore, given that prolonged exercise causes higher levels of cortisol. We suggest that the 1:1work-to-rest ratio of high-intensity interval training protocol might represent a preferred intervention for promoting brain health.
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Affiliation(s)
- Kegang Zhao
- School of Physical Education of Shandong Normal University, Jinan, China
- *Correspondence: Kegang Zhao,
| | | | - Tao Wang
- School of Physical Education of Liaocheng University, Jinan, China
| | - Lei Tian
- School of Physical Education of Shandong Normal University, Jinan, China
| | - Maoye Wang
- School of Physical Education of Shandong Normal University, Jinan, China
| | - Ruijiang Liu
- School of Physical Education of Shandong Normal University, Jinan, China
| | - Chongwen Zuo
- Capital Institute of Physical Education and Sports, Beijing, China
| | - Wang Jihua
- Department of Information Science and Engineering of Shandong Normal University, Jinan, China
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15
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Sebastião E, Mangino M, Kim H, Siqueira V, Camic C. High Intensity Interval Training among middle-aged and older adults: a review of protocols and outcomes. Sci Sports 2022. [DOI: 10.1016/j.scispo.2021.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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16
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Chen YT, Hsieh YY, Ho JY, Ho CC, Lin TY, Lin JC. Running interval training combined with blood flow restriction increases maximal running performance and muscular fitness in male runners. Sci Rep 2022; 12:9922. [PMID: 35705671 PMCID: PMC9200839 DOI: 10.1038/s41598-022-14253-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 06/03/2022] [Indexed: 11/24/2022] Open
Abstract
We investigated the effects of 8 weeks (3 days per week) of running interval training (RIT) combined with blood flow restriction (RIT-BFR) on the maximal running performance (RPmax), isokinetic muscle strength, and muscle endurance in athletes. Twenty endurance-trained male runners were pair-matched and randomly assigned to the RIT-BFR and RIT groups. The RIT-BFR group performed RIT (50% heart rate reserve, 5 sets of 3 min each, and 1-min rest interval) with inflatable cuffs (1.3× resting systolic blood pressure), and the RIT group performed the same RIT without inflatable cuffs. RPmax, isokinetic muscle strength, and muscle endurance were assessed at pre-, mid-, and post-training. Compared with the RIT group, the RIT-BFR group exhibited a significantly (p < 0.05) greater increase in RPmax, isokinetic knee extensor and flexor strength, and knee extensor endurance after 24 training sessions. These results suggested that RIT-BFR may be a feasible training strategy for improving muscular fitness and endurance running performance in distance runners.
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Affiliation(s)
- Yun-Tsung Chen
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
| | - Yao-Yi Hsieh
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
| | - Jen-Yu Ho
- Department of Athletic Performance, National Taiwan Normal University, Taipei, Taiwan
| | - Chien-Chang Ho
- Department of Physical Education, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Tung-Yi Lin
- Institute of Traditional Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.
| | - Jung-Charng Lin
- Graduate Institute of Sport Coaching Science, Chinese Culture University, Taipei, Taiwan
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17
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Lu Y, Wiltshire HD, Baker JS, Wang Q. Effects of Low-Volume High-Intensity Interval Exercise on 24 h Movement Behaviors in Inactive Female University Students. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127177. [PMID: 35742425 PMCID: PMC9223473 DOI: 10.3390/ijerph19127177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 06/05/2022] [Accepted: 06/09/2022] [Indexed: 11/23/2022]
Abstract
The purpose of this study was to examine if low-volume, high-intensity interval exercise (HIIE) was associated with changes in 24-h movement behaviors. A quasi-experimental study design was used. We collected accelerometry data from 21 eligible participants who consistently wore an ActiGraph for a period of two-weeks. Differences in behaviors were analyzed using a paired t-test and repeated measures analysis of variance. Regression analysis was used to explore relationships with factors that impacted changes. The results indicated a compensatory increase in sedentary time (ST) (4.4 ± 6.0%, p < 0.01) and a decrease in light-intensity physical activity (LPA) (−7.3 ± 16.7%, p < 0.05). Meanwhile, moderate-intensity physical activity (MPA), vigorous-intensity physical activity (VPA), and total physical activity (TPA) increased following exercise (p < 0.001). Sleep duration and prolonged sedentary time were reduced (p < 0.05). Exercise intensity and aerobic capacity were associated with changes in ST. The results from the study indicate that participating in a low-volume HIIE encouraged participants who were previously inactive to become more active. The observations of increases in ST may have displaced a prolonged sitting time. The decrease in sleeping time observed may be reflecting an increased sleep quality in connection with increased higher-intensity PA.
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Affiliation(s)
- Yining Lu
- Faculty of Sport Science, Ningbo University, Ningbo 315000, China;
- Cardiff School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff CF5 2YB, UK;
| | - Huw D. Wiltshire
- Cardiff School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff CF5 2YB, UK;
| | - Julien S. Baker
- Centre for Health and Exercise Science Research, Department of Sport, Physical Education and Health, Hong Kong Baptist University, Kowloon Tong, Hong Kong;
| | - Qiaojun Wang
- Faculty of Sport Science, Ningbo University, Ningbo 315000, China;
- Correspondence: ; Tel.: +86-13805885586
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18
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Singh G, Kushwah GS, Singh T, Thapa RK, Granacher U, Ramirez-Campillo R. Effects of Sand-Based Plyometric-Jump Training in Combination with Endurance Running on Outdoor or Treadmill Surface on Physical Fitness in Young Adult Males. J Sports Sci Med 2022; 21:277-286. [PMID: 35719236 DOI: 10.52082/jssm.2022.277] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/06/2022] [Indexed: 12/24/2022]
Abstract
This study aimed at examining the effects of nine weeks of sand-based plyometric-jump training (PJT) combined with endurance running on either outdoor or treadmill surface on measures of physical fitness. Male participants (age, 20.1 ± 1.7 years) were randomly assigned to a sand-based PJT combined with endurance running on outdoor surface (OT, n = 25) or treadmill surface (TT, n = 25). The endurance running intervention comprised a mixed training method, i.e., long slow distance, tempo, and interval running drills. A control group was additionally included in this study (CG, n = 25). Participants in CG followed their regular physical activity as OT and TT but did not receive any specific intervention. Individuals were assessed for their 50-m linear sprint time, standing long jump (SLJ) distance, cardiorespiratory fitness (i.e., Cooper test), forced vital capacity (FVC), calf girth, and resting heart rate (RHR). A three (groups: OT, TT, CG) by two (time: pre, post) ANOVA for repeated measures was used to analyze the exercise-specific effects. In case of significant group-by-time interactions, Bonferroni adjusted paired (within-group) and independent (between-group comparisons at post) t-tests were used for post-hoc analyses. Significant group-by-time interactions were found for all dependent variables (p < 0.001 - 0.002, ɳp 2 = 0.16 - 0.78). Group-specific post-hoc tests showed improvements for all variables after OT (p < 0.001, Hedges'g effect size [g] = 0.05 - 1.94) and TT (p < 0.001, g = 0.04 - 2.73), but not in the CG (p = 0.058 - 1.000, g = 0.00 - 0.34). Compared to CG, OT showed larger SLJ (p = 0.001), cardiorespiratory fitness (p = 0.004), FVC (p = 0.008), and RHR (p < 0.001) improvements. TT showed larger improvements in SLJ (p = 0.036), cardiorespiratory fitness (p < 0.001), and RHR (p < 0.001) compared with CG. Compared to OT, TT showed larger improvements for SLJ (p = 0.018). In conclusion, sand-based PJT combined with either OT or TT similarly improved most measures of physical fitness, with greater SLJ improvement after TT. Coaches may use both concurrent exercise regimes based on preferences and logistical constrains (e.g., weather; access to treadmill equipment).
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Affiliation(s)
- Gaurav Singh
- School of Physical Education and Sports, Rashtriya Raksha University, Gandhinagar, India
| | - Gaurav Singh Kushwah
- School of Physical Education and Sports, Rashtriya Raksha University, Gandhinagar, India
| | - Tanvi Singh
- School of Physical Education and Sports, Rashtriya Raksha University, Gandhinagar, India
| | - Rohit Kumar Thapa
- School of Physical Education and Sports, Rashtriya Raksha University, Gandhinagar, India
| | - Urs Granacher
- University of Potsdam, Division of Training and Movement Sciences, Potsdam, Germany
| | - Rodrigo Ramirez-Campillo
- Exercise and Rehabilitation Sciences Laboratory, School of Physical Therapy, Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago, Chile
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19
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Bouamra M, Zouhal H, Ratel S, Makhlouf I, Bezrati I, Chtara M, Behm DG, Granacher U, Chaouachi A. Concurrent Training Promotes Greater Gains on Body Composition and Components of Physical Fitness Than Single-Mode Training (Endurance or Resistance) in Youth With Obesity. Front Physiol 2022; 13:869063. [PMID: 35669575 PMCID: PMC9164296 DOI: 10.3389/fphys.2022.869063] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 04/19/2022] [Indexed: 12/24/2022] Open
Abstract
The prevalence of obesity in the pediatric population has become a major public health issue. Indeed, the dramatic increase of this epidemic causes multiple and harmful consequences, Physical activity, particularly physical exercise, remains to be the cornerstone of interventions against childhood obesity. Given the conflicting findings with reference to the relevant literature addressing the effects of exercise on adiposity and physical fitness outcomes in obese children and adolescents, the effect of duration-matched concurrent training (CT) [50% resistance (RT) and 50% high-intensity-interval-training (HIIT)] on body composition and physical fitness in obese youth remains to be elucidated. Thus, the purpose of this study was to examine the effects of 9-weeks of CT compared to RT or HIIT alone, on body composition and selected physical fitness components in healthy sedentary obese youth. Out of 73 participants, only 37; [14 males and 23 females; age 13.4 ± 0.9 years; body-mass-index (BMI): 31.2 ± 4.8 kg·m-2] were eligible and randomized into three groups: HIIT (n = 12): 3-4 sets×12 runs at 80-110% peak velocity, with 10-s passive recovery between bouts; RT (n = 12): 6 exercises; 3-4 sets × 10 repetition maximum (RM) and CT (n = 13): 50% serial completion of RT and HIIT. CT promoted significant greater gains compared to HIIT and RT on body composition (p < 0.01, d = large), 6-min-walking test distance (6 MWT-distance) and on 6 MWT-VO2max (p < 0.03, d = large). In addition, CT showed substantially greater improvements than HIIT in the medicine ball throw test (20.2 vs. 13.6%, p < 0.04, d = large). On the other hand, RT exhibited significantly greater gains in relative hand grip strength (p < 0.03, d = large) and CMJ (p < 0.01, d = large) than HIIT and CT. CT promoted greater benefits for fat, body mass loss and cardiorespiratory fitness than HIIT or RT modalities. This study provides important information for practitioners and therapists on the application of effective exercise regimes with obese youth to induce significant and beneficial body composition changes. The applied CT program and the respective programming parameters in terms of exercise intensity and volume can be used by practitioners as an effective exercise treatment to fight the pandemic overweight and obesity in youth.
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Affiliation(s)
- Marwa Bouamra
- Tunisian Research Laboratory “Sports Performance Optimization”, National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
- High Institute of Sport and Physical Education, Ksar-Saïd, Manouba University, Tunis, Tunisia
| | - Hassane Zouhal
- M2S (Laboratoire Mouvement, Sport, Santé) EA 1274, University of Rennes, Rennes, France
- Institut International des Sciences du Sport (2I2S), Irodouer, France
| | - Sébastien Ratel
- AME2P, EA 3533, Clermont-Auvergne University, Clermont-Ferrand, France
| | - Issam Makhlouf
- Tunisian Research Laboratory “Sports Performance Optimization”, National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
- High Institute of Sport and Physical Education, Ksar-Saïd, Manouba University, Tunis, Tunisia
| | - Ikram Bezrati
- Tunisian Research Laboratory “Sports Performance Optimization”, National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
| | - Mokhtar Chtara
- Tunisian Research Laboratory “Sports Performance Optimization”, National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
| | - David G. Behm
- School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John’s, NL, Canada
| | - Urs Granacher
- Division of Training and Movement Sciences, University of Potsdam, Potsdam, Germany
| | - Anis Chaouachi
- Tunisian Research Laboratory “Sports Performance Optimization”, National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
- High Institute of Sport and Physical Education, Sfax University, Sfax, Tunisia
- Sports Performance Research Institute New Zealand, AUT University, Auckland, New Zealand
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20
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Chen YT, Hsieh YY, Ho JY, Lin TY, Lin JC. Running Training Combined With Blood Flow Restriction Increases Cardiopulmonary Function and Muscle Strength in Endurance Athletes. J Strength Cond Res 2022; 36:1228-1237. [PMID: 35482543 DOI: 10.1519/jsc.0000000000003938] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
ABSTRACT Chen, Y-T, Hsieh, Y-Y, Ho, J-Y, Lin, T-Y, and Lin, J-C. Running training combined with blood flow restriction increases cardiopulmonary function and muscle strength in endurance athletes . J Strength Cond Res 36(5): 1228-1237, 2022-We investigated the effects of 8 weeks (3 d/wk) of running training (RT) combined with blood flow restriction (RT-BFR) on cardiopulmonary function and muscle strength in endurance athletes. Twenty endurance-trained male athletes (19-25 years; 177.6 ± 2.4 cm; 69.0 ± 2.2 kg) were pair matched and randomly assigned to RT-BFR and RT groups. The RT-BFR group performed running sessions (50% heart rate reserve; 3-minute × 5 sets; 1-minute rest interval) with pressure cuffs (1.3 × resting systolic blood pressure), whereas the RT group performed the same running sessions without pressure cuffs. V̇o2max, muscle mass, isokinetic muscle strength, and hormones were assessed at pre-, mid- and posttraining. Compared with the RT group, the RT-BFR group exhibited a significantly greater increase in V̇o2max (5.1 vs. -1.1%) and isokinetic knee extensor strength (16.5 vs. -5.9%). In addition, RT-BFR group presented higher leg muscle mass (10.3 vs. 9.7 kg) than that of RT group after 8 weeks of training. Furthermore, testosterone to cortisol (T:C) ratio at 24 hours after training session at pre-, mid-, and posttraining were maintained in the RT-BFR group, whereas significant decreases of T:C ratio at 24 hours after training session were observed in the RT group. These results suggested that RT combined with BFR may be a practical training strategy for promoting cardiopulmonary function and muscle strength in endurance runners.
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Affiliation(s)
- Yun-Tsung Chen
- School of Physical Education, Huizhou University, Guangdong, China
| | - Yao-Yi Hsieh
- Department of Physical Education, National Taiwan Normal University, Taipei, Taiwan
| | - Jen-Yu Ho
- Department of Athletic Performance, National Taiwan Normal University, Taipei, Taiwan
| | - Tung-Yi Lin
- Institute of Traditional Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; and
| | - Jung-Charng Lin
- Graduate Institute of Sport Coaching Science, Chinese Culture University, Taipei, Taiwan
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Peñailillo L, Diaz-Reiher M, Gurovich A, Flores-Opazo M. A Short-Term Eccentric HIIT Induced Greater Reduction in Cardio-Metabolic Risk Markers in Comparison With Concentric HIIT in Sedentary Overweight Men. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2022:1-13. [PMID: 35439422 DOI: 10.1080/02701367.2021.2022087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
Background: Steady-state eccentric exercise training improves cardiometabolic risk (CMR) despite lesser cardiovascular demands compared with load-matched concentric training. Whether a high-intensity interval eccentric training is also effective reducing CMR is unknown. Aim: To compare the effects of a short-term high-intensity interval eccentric training (ECC-HIIT) with high-intensity interval concentric training (CONC-HIIT) on CMR in sedentary overweight men. Methods: Twenty men (age: 27.9 ± 5.3y, body massindex: 29.1 ± 3.1 kg·m-2) were randomly assigned to ECC-HIIT (n = 10) or CONC-HIIT (n = 10) delivered as six sessions, including 4 x 5:2 min work-to-rest ratio, at 80% peak concentric power output. Heart rate (HR), rate of perceived exertion (RPE) and muscle soreness weremonitored during training sessions. Training effects on lipid profile, insulin sensitivity (HOMA-IR), body composition, thigh circumference, isometric knee extensors maximal strength, resting systolic and diastolic blood pressure (SBP and DBP) were determined. Results: Average training HR and RPE were -29%and -50%lower in ECC-HIIT in comparison with CONC-HIIT. Muscle soreness was initially greater after ECC-HIIT compared with CONC-HIIT. Significant changes in total and low-density lipoprotein cholesterol (-7.0 ± 8.7%; p = .02 and -6.3 ± 14.4%; p = .03), SBP (-9.8 ± 7.8%; p = .002), and maximal thigh circumference (+2.5 ± 3.1%; p = .02) were observed following ECC-HIIT. No changes in any CMR marker were observed after CONC-HIIT. Moderate-to-large training effect sizes were obtained in thigh circumference, SBP, total cholesterol and low-density lipoprotein cholesterol in response to ECC-HIIT. Conclusion: A two-week ECC-HIIT was well-tolerated and induced rapid onset improvements in cholesterol and blood pressure compared to conventional CONC-HIIT in sedentary overweight men.
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Domaradzki J, Koźlenia D, Popowczak M. Prevalence of Positive Effects on Body Fat Percentage, Cardiovascular Parameters, and Cardiorespiratory Fitness after 10-Week High-Intensity Interval Training in Adolescents. BIOLOGY 2022; 11:biology11030424. [PMID: 35336798 PMCID: PMC8945095 DOI: 10.3390/biology11030424] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 12/16/2022]
Abstract
Simple Summary In this study, we aimed to analyze the prevalence of positive effects of high-intensity interval training (HIIT) on body composition, cardiovascular parameters, and cardiorespiratory fitness among adolescents. We investigated 52 boys and 89 girls from a secondary school, separated into an experimental group (EG) with HIIT intervention and a control group (CG). The measured parameters were body fat % (BFP), resting systolic blood pressure (SBP), diastolic blood pressure (DBP), and fitness index (FI). The results indicate that positive HIIT-induced changes in SBP, DBP, and FI were most common among boys, especially those with low body mass index. Our study also revealed relationships between changes in FI and BFP and BP parameters. The effectiveness of HIIT was confirmed concerning the prevalence of the positive changes in measured parameters. We suggest that HIIT should be implemented in PE lessons, although there is a need to look for a more efficient method for girls. Abstract Analysis of the interventions on cardiovascular disease risk factors focuses on quantitative changes, omitting assessment of positive effect frequency in individuals. The aim of this study was to assess the prevalence of positive effects of high-intensity interval training (HIIT) on body composition, cardiovascular parameters, and cardiorespiratory fitness among adolescents. A total of 52 boys and 89 girls from a secondary school were separated into an experimental group (EG) with HIIT and a control group (CG). Body fat % (BFP), resting systolic blood pressure (SBP), diastolic blood pressure (DBP), and fitness index (FI) changes were calculated. We assessed the influence and interaction of three factors: intervention (INT), sex (SEX), and body mass index (BMIstatus) on the ratio of individuals with and without positive changes. We used log-linear models for interactions and multivariate correspondence analysis (MCA). The results indicate that HIIT affects the prevalence of positive changes in SBP, DBP, and FI. Interactions between factors suggest boys with low BMI get more benefit from the intervention than girls. The MCA indicates a relationship between FI and BFP and between BP parameters. The effectiveness of HIIT was confirmed concerning the prevalence of the positive changes in measured parameters. We suggest that HIIT should be implemented in PE lessons, although there is a need to look for a more efficient method for girls.
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Affiliation(s)
- Jarosław Domaradzki
- Unit of Biostructure, Faculty of Physical Education and Sport, Wroclaw University of Health and Sport Sciences, al. I.J. Paderewskiego 35, 51-612 Wroclaw, Poland;
| | - Dawid Koźlenia
- Unit of Biostructure, Faculty of Physical Education and Sport, Wroclaw University of Health and Sport Sciences, al. I.J. Paderewskiego 35, 51-612 Wroclaw, Poland;
- Correspondence:
| | - Marek Popowczak
- Unit of Team Sports Games, Faculty of Physical Education and Sport, Wroclaw University of Health and Sport Sciences, al. I.J. Paderewskiego 35, 51-612 Wroclaw, Poland;
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Lavin KM, Coen PM, Baptista LC, Bell MB, Drummer D, Harper SA, Lixandrão ME, McAdam JS, O’Bryan SM, Ramos S, Roberts LM, Vega RB, Goodpaster BH, Bamman MM, Buford TW. State of Knowledge on Molecular Adaptations to Exercise in Humans: Historical Perspectives and Future Directions. Compr Physiol 2022; 12:3193-3279. [PMID: 35578962 PMCID: PMC9186317 DOI: 10.1002/cphy.c200033] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
For centuries, regular exercise has been acknowledged as a potent stimulus to promote, maintain, and restore healthy functioning of nearly every physiological system of the human body. With advancing understanding of the complexity of human physiology, continually evolving methodological possibilities, and an increasingly dire public health situation, the study of exercise as a preventative or therapeutic treatment has never been more interdisciplinary, or more impactful. During the early stages of the NIH Common Fund Molecular Transducers of Physical Activity Consortium (MoTrPAC) Initiative, the field is well-positioned to build substantially upon the existing understanding of the mechanisms underlying benefits associated with exercise. Thus, we present a comprehensive body of the knowledge detailing the current literature basis surrounding the molecular adaptations to exercise in humans to provide a view of the state of the field at this critical juncture, as well as a resource for scientists bringing external expertise to the field of exercise physiology. In reviewing current literature related to molecular and cellular processes underlying exercise-induced benefits and adaptations, we also draw attention to existing knowledge gaps warranting continued research effort. © 2021 American Physiological Society. Compr Physiol 12:3193-3279, 2022.
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Affiliation(s)
- Kaleen M. Lavin
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Cell, Developmental, and Integrative Biology, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Center for Human Health, Resilience, and Performance, Institute for Human and Machine Cognition, Pensacola, Florida, USA
| | - Paul M. Coen
- Translational Research Institute for Metabolism and Diabetes, Advent Health, Orlando, Florida, USA
- Sanford Burnham Prebys Medical Discovery Institute, Orlando, Florida, USA
| | - Liliana C. Baptista
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Medicine, Division of Gerontology, Geriatrics and Palliative Care, The University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Margaret B. Bell
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Cell, Developmental, and Integrative Biology, The University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Devin Drummer
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Cell, Developmental, and Integrative Biology, The University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Sara A. Harper
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Medicine, Division of Gerontology, Geriatrics and Palliative Care, The University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Manoel E. Lixandrão
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Cell, Developmental, and Integrative Biology, The University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Jeremy S. McAdam
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Cell, Developmental, and Integrative Biology, The University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Samia M. O’Bryan
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Cell, Developmental, and Integrative Biology, The University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Sofhia Ramos
- Translational Research Institute for Metabolism and Diabetes, Advent Health, Orlando, Florida, USA
- Sanford Burnham Prebys Medical Discovery Institute, Orlando, Florida, USA
| | - Lisa M. Roberts
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Medicine, Division of Gerontology, Geriatrics and Palliative Care, The University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Rick B. Vega
- Translational Research Institute for Metabolism and Diabetes, Advent Health, Orlando, Florida, USA
- Sanford Burnham Prebys Medical Discovery Institute, Orlando, Florida, USA
| | - Bret H. Goodpaster
- Translational Research Institute for Metabolism and Diabetes, Advent Health, Orlando, Florida, USA
- Sanford Burnham Prebys Medical Discovery Institute, Orlando, Florida, USA
| | - Marcas M. Bamman
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Cell, Developmental, and Integrative Biology, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Center for Human Health, Resilience, and Performance, Institute for Human and Machine Cognition, Pensacola, Florida, USA
| | - Thomas W. Buford
- Center for Exercise Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
- Department of Medicine, Division of Gerontology, Geriatrics and Palliative Care, The University of Alabama at Birmingham, Birmingham, Alabama, USA
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Filipas L, Bonato M, Gallo G, Codella R. Effects of 16 weeks of pyramidal and polarized training intensity distributions in well-trained endurance runners. Scand J Med Sci Sports 2022; 32:498-511. [PMID: 34792817 PMCID: PMC9299127 DOI: 10.1111/sms.14101] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 11/08/2021] [Accepted: 11/12/2021] [Indexed: 11/26/2022]
Abstract
The aim of this study was to investigate the effects of four different training periodizations, based on two different training intensity distributions during a 16-week training block in well-trained endurance runners. Sixty well-trained male runners were divided into four groups. Each runner completed one of the following 16-week training interventions: a pyramidal periodization (PYR); a polarized periodization (POL); a pyramidal periodization followed by a polarized periodization (PYR → POL); and a polarized periodization followed by a pyramidal periodization (POL → PYR). The PYR and POL groups trained with a pyramidal or polarized distribution for 16 weeks. To allow for the change in periodization for the PYR → POL and POL → PYR groups, the 16-week intervention was split into two 8-week phases, starting with pyramidal or polarized distribution and then switching to the other. The periodization patterns were isolated manipulations of training intensity distribution, while training load was kept constant. Participants were tested pre-, mid- and post-intervention for body mass, velocity at 2 and 4 mmol·L-1 of blood lactate concentration (vBLa2, vBLa4), absolute and relative peak oxygen consumption (V ˙ O 2 peak ) and 5-km running time trial performance. There were significant group × time interactions for relativeV ˙ O 2 peak (p < 0.0001), vBLa2 (p < 0.0001) and vBLa4 (p < 0.0001) and 5-km running time trial performance (p = 0.0001). Specifically, participants in the PYR → POL group showed the largest improvement in all these variables (~3.0% for relativeV ˙ O 2 peak , ~1.7% for vBLa2, ~1.5% for vBLa4, ~1.5% for 5-km running time trial performance). No significant interactions were observed for body mass, absoluteV ˙ O 2 peak , peak heart rate, lactate peak and rating of perceived exertion. Each intervention effectively improved endurance surrogates and performance in well-trained endurance runners. However, the change from pyramidal to polarized distribution maximized performance improvements, with relativeV ˙ O 2 peak representing the only physiological correlate.
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Affiliation(s)
- Luca Filipas
- Department of Biomedical Sciences for HealthUniversità degli Studi di MilanoMilanItaly
- Department of Endocrinology, Nutrition and Metabolic DiseasesIRCCS MultiMedicaMilanItaly
| | - Matteo Bonato
- Department of Biomedical Sciences for HealthUniversità degli Studi di MilanoMilanItaly
- IRCCS Istituto Ortopedico GaleazziMilanItaly
| | - Gabriele Gallo
- Department of Experimental MedicineUniversità degli Studi di GenovaGenoaItaly
- Centro Polifunzionale di Scienze MotorieUniversità degli Studi di GenovaGenoaItaly
| | - Roberto Codella
- Department of Biomedical Sciences for HealthUniversità degli Studi di MilanoMilanItaly
- Department of Endocrinology, Nutrition and Metabolic DiseasesIRCCS MultiMedicaMilanItaly
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Bornath DP, Kenno KA. Physiological Responses to Increasing Battling Rope Weight During Two 3-Week High-Intensity Interval Training Programs. J Strength Cond Res 2022; 36:352-358. [DOI: 10.1519/jsc.0000000000003470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Sex Moderated Mediation of the Musculoskeletal Fitness in Relationship between High-Intensive Interval Training Performing during Physical Education Classes and Cardiorespiratory Fitness in Healthy Boys and Girls. BIOMED RESEARCH INTERNATIONAL 2022; 2022:8760620. [PMID: 35083335 PMCID: PMC8786534 DOI: 10.1155/2022/8760620] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 12/29/2021] [Indexed: 11/17/2022]
Abstract
High-intensive interval training (HIIT) is indicated as a means of improving cardiorespiratory fitness (CRF) and musculoskeletal fitness (MSF). The relationship between CRF and MSF was examined too. Little is known about gaining CRF from HIIT independence of MSF in adolescents. Therefore, this study is aimed at investigating whether MSF mediated the relationship between HIIT and CRF and whether sex moderate this relation. The study sample included 122 individuals (45 boys, 77 girls) 16.12 ± 0.38 years of secondary school age. Participants were assigned to the HIIT intervention or control groups. The intervention lasted 14 minutes during one physical education lesson per week for ten weeks. Outcome and potential mediator were residual changes calculated from pre- and postintervention results of MSF components: handgrip (HG), sit-ups (ABS), sit-and-reach (FL), vertical jump (VJ), and Harvard step-test representing cardiorespiratory fitness (CRF). MSF index (MSFI) was calculated as a construct, agglomerating all MSF, and tested its usefulness. HIIT significantly impacted CRF in boys and girls (B = 2.32, p = 0.032; B = 2.28, p = 0.005, respectively). The impact of the HIIT program on the ABS and FL was observed only in girls. The moderation effect of sex was confirmed. Significant effect of HIIT on CRF decreased (Bdirect < Btotal) and was no significant after including FL (B = 1.46, p = 0.62)—complete mediation, but no ABS (B = 2.97, p = 0.001)—partial mediation. CRF was mediated by changes in ABS (B = 2.28, p < 0.001) and FL (4.18, p < 0.001). MSFI was not mediating; its usefulness was limited. HIIT is an effective tool in the development of CRF in both sexes. MSF played a limited role in the relationship between HIIT and CRF. It suggested different mechanisms in both sexes: girls who performed better to the HIIT had better values of FL and ABS, but not boys. HIIT intervention involved modifications in ABS or FL, which also influenced the increase of CRF.
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Müller CB, Veiga RSD, Pinheiro EDS, Vecchio FBD. Home-based high-intensity interval training can improve physical performance in young female athletes during a quarantine. MOTRIZ: REVISTA DE EDUCACAO FISICA 2022. [DOI: 10.1590/s1980-657420210012421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Hedt C, McCulloch PC, Harris JD, Lambert BS. Blood Flow Restriction Enhances Rehabilitation and Return to Sport: The Paradox of Proximal Performance. Arthrosc Sports Med Rehabil 2022; 4:e51-e63. [PMID: 35141536 PMCID: PMC8811501 DOI: 10.1016/j.asmr.2021.09.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 09/15/2021] [Indexed: 12/17/2022] Open
Abstract
The use of blood flow restriction (BFR) within rehabilitation is rapidly increasing as further research is performed elucidating purported benefits such as improved muscular strength and size, neuromuscular control, decreased pain, and increased bone mineral density. Interestingly, these benefits are not isolated to structures distal to the occlusive stimulus. Proximal gains are of high interest to rehabilitation professionals, especially those working with patients who are limited due to pain or postsurgical precautions. The review to follow will focus on current evidence and ongoing hypotheses regarding physiologic responses to BFR, current clinical applications, proximal responses to BFR training, potential practical applications for rehabilitation and injury prevention, and directions for future research. Interestingly, benefits have been found in musculature proximal to the occlusive stimulus, which may lend promise to a greater variety of patient populations and conditions. Furthermore, an increasing demand for BFR use in the sports world warrants further research for performance research and recovery. LEVEL OF EVIDENCE Level V, expert opinion.
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Affiliation(s)
- Corbin Hedt
- Houston Methodist Orthopedics & Sports Medicine, Houston, Texas, U.S.A
| | | | - Joshua D. Harris
- Houston Methodist Orthopedics & Sports Medicine, Houston, Texas, U.S.A
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Fang B, Kim Y, Choi M. Effect of Cycle-Based High-Intensity Interval Training and Moderate to Moderate-Intensity Continuous Training in Adolescent Soccer Players. Healthcare (Basel) 2021; 9:healthcare9121628. [PMID: 34946354 PMCID: PMC8701016 DOI: 10.3390/healthcare9121628] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 12/18/2022] Open
Abstract
Cardiorespiratory fitness, anaerobic power, and lower extremity strength are essential for soccer players at all levels. An effective program should be developed to improve physical strength for adolescent soccer players who need to combine academic and technical training. This study analyzed the impact of short-term high intensity interval training (HIIT) training and traditional moderate intensity continuous training (MICT) on adolescent soccer players. Participants included 56 adolescent soccer players who were divided into HIIT and MICT groups. The training program was conducted 3 times a week for 4 weeks using cycle ergometer. Each session included the same resistance training program, and the characteristics of HIIT and MICT were applied to improve cardiorespiratory fitness and anaerobic power. Body composition analysis, graded exercise test for peak oxygen uptake (VO2 peak), Wingate anaerobic power test, and isokinetic knee strength test were performed. VO2 peak was improved in HIIT and MICT, but anaerobic threshold and heart rate recovery significantly improved in the HIIT group. Wingate anaerobic peak power had increased significantly in sets 1, 2, and 3 in the HIIT group, but showed significant improvement only in set 1 in the MICT group. The isokinetic strength improved significantly in the HIIT group at 60°/s and in the MICT group at 240°/s. There was no significant change in body composition in either group. In conclusion, short-term HIIT administered to adolescent soccer players effectively improved cardiorespiratory fitness in HIIT and MICT groups. While HIIT increased anaerobic threshold and power, MICT effectively improved muscle endurance. Short-term intensive training can be considered a time-efficient training strategy.
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Affiliation(s)
- Bin Fang
- College of Physical Education, Luoyang Normal University, Luoyang 471934, China;
| | - Yonghwan Kim
- Department of Physical Education, Gangneung-Wonju National University, Gangneung 25457, Korea;
| | - Moonyoung Choi
- Department of Sports Science Convergence, Dongguk University, Seoul 04620, Korea
- Correspondence: ; Tel.: +82-2-2260-8741; Fax: +82-2-2260-3741
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The Effects of High-Intensity Interval Training (HIIT) on Fall Risk Factors in Healthy Older Adults: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182211809. [PMID: 34831565 PMCID: PMC8618957 DOI: 10.3390/ijerph182211809] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 10/28/2021] [Accepted: 10/29/2021] [Indexed: 01/03/2023]
Abstract
High-intensity interval training (HIIT) improves functional capacity, muscle power and physical performance in older adults with and without comorbidities. The aim of this study was to explore the effectiveness of HIIT as a method for reducing major fall risk factors (balance, muscle strength and physical activity) in older adults. A systematic literature search was conducted following the PRISMA guidelines. A computerized search was conducted using electronic databases (PubMed, CINAHL, Cochrane Library, APA PsycInfo, Web of Science, Scopus, PEDro, and AgeLine) published up to July 2021. Eleven papers (9 studies) of moderate quality (mean of 5.5 in Pedro scale) involving 328 healthy older adults met the inclusion criteria. Studies were characterized by high heterogeneity in terms of methodology, HIIT modality and protocol, subject characteristics, and outcome measures. Results indicate that HIIT cannot be recommended as a single modality for fall prevention in older adults due to insufficient data and no consensus among the studies. HIIT appears to be a safe and well-tolerated supplement to proven fall prevention programs, due to its effects on lower limb strength reflected in functional performance tests, and on dynamic balance and subjective balance perception. However, caution is warranted following HIIT, especially after the first session, due to possible temporary instability.
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The Effects of Running Compared with Functional High-Intensity Interval Training on Body Composition and Aerobic Fitness in Female University Students. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182111312. [PMID: 34769831 PMCID: PMC8583460 DOI: 10.3390/ijerph182111312] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 10/24/2021] [Accepted: 10/25/2021] [Indexed: 11/23/2022]
Abstract
High-intensity interval running (HIIT-R) and high-intensity functional training (HIFT) are two forms of HIIT exercise that are commonly used. The purpose of this study was to determine the effects of HIFT on aerobic capacity and body composition when compared to HIIT-R in females. Twenty healthy, untrained female university students (age 20.5 ± 0.7 year) were randomly assigned to a 12-week HIIT-R or HIFT intervention. The HIIT-R group involved a 30 s maximal shuttle run with a 30 s recovery period, whereas the HIFT involved multiple functional exercises with a 2:1 work-active recovery ratio. Body composition, VO2max, and muscle performance were measured before and post intervention. As a result, HIIT-R and HIIT-F stimulated similar improvements in VO2max (17.1% ± 5.6% and 12.7% ± 6.7%, respectively, p > 0.05). Only the HIIT-F group revealed significant improvements in muscle performance (sit-ups, 16.5% ± 3.1%, standing broad jump 5.1% ± 2.2%, p < 0.05). Body fat percentage decreased (17.1% ± 7.4% and 12.6% ± 5.1%, respectively, p < 0.05) in both HIIT-R and HIIT-F with no between-group differences. We concluded that HIFT was equally effective in promoting body composition and aerobic fitness compared to HIIT-R. HIFT resulted in improved muscle performance, whereas the HIIT-R protocol demonstrated no gains.
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Koral J, Lloria Varella J, Lazaro Romero F, Foschia C. Effects of Three Preseason Training Programs on Speed, Change-of-Direction, and Endurance in Recreationally Trained Soccer Players. Front Physiol 2021; 12:719580. [PMID: 34603079 PMCID: PMC8484869 DOI: 10.3389/fphys.2021.719580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 08/20/2021] [Indexed: 12/02/2022] Open
Abstract
Background: Modern coaches experience a drastic reduction of the available training time with an increasingly large number of competitions during the competitive season. Thus, they must choose wisely the most efficient methods to improve the physical fitness of their players during the preseason. Among all the methods, this study compared the effects of plyometric training (PT), sprint interval training (SIT), and small-sided games (SSGs) on the performance of recreationally trained soccer players. Methods: Seventy-three participants were randomly assigned in one of the three experimental groups (i.e., PT [n = 23], SIT [n = 26] or SSGs [n = 24]) and completed two sessions per week for a total of 3 weeks. Meanwhile, the whole group maintained their habitual soccer-specific training program who do not interfere in the preparation of the season. Repeated sprint ability (RSA), maximal aerobic speed (MAS), and a 30-m sprint were assessed at baseline (PRE) and post-training (POST). Results: Performance in SSGs decreased for the average speed from 0 to 10 m (V0−10m; −0.84 km h−1, −4 ± 5%, p < 0.001), the maximal distance (Dmax) covered in the 30-s RSA test (−3.65 m, −3 ± 6%, p < 0.01) and MAS (−0.52 km h−1, −3 ± 6%, p < 0.01). PT increased the mean distance (Dmean) covered in the 30-s RSA test (+5.98 m, 5 ± 4%, p < 0.001) and MAS (+0.58 km h−1, 7 ± 5%, p < 0.01) while an improvement of all parameters but the maximal sprint speed reached during the 30-m trip (Vmax) was found in the SIT group (V0−10m: +1.462 km h−1, 8 ± 5%, p < 0.001; Dmax: +7.89 m, 6 ± 5%, p < 0.001; Dmean: +8.69 m, 7 ± 5%, p < 0.001 and MAS: +1.74 km h−1, 12 ± 8%, p < 0.001). All SSG POST values were significantly lower than PT and SIT (p < 0.01). Dmean and MAS in POST were also significantly higher in SIT than in the PT group (p < 0.001). Conclusion: This study suggests that both PT and SIT could be a better alternative to SSGs to boost performances during preseason. Moreover, SIT seems to produce higher improvements in physical performances than PT.
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Affiliation(s)
- Jérôme Koral
- Laboratoire Interuniversitaire de Biologie de la Motricité, Université Jean Monnet, Saint-Etienne, France
| | - Jaume Lloria Varella
- Laboratoire Interuniversitaire de Biologie de la Motricité, Université Jean Monnet, Saint-Etienne, France
| | | | - Clément Foschia
- Department of Clinical and Exercise Physiology, Sports Medicine Unit, Faculty of Medicine, University Hospital of Saint-Etienne, Saint-Etienne, France
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Schöffl I, Ehrlich B, Rottermann K, Weigelt A, Dittrich S, Schöffl V. Jumping into a Healthier Future: Trampolining for Increasing Physical Activity in Children. SPORTS MEDICINE-OPEN 2021; 7:53. [PMID: 34328569 PMCID: PMC8324653 DOI: 10.1186/s40798-021-00335-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 06/08/2021] [Indexed: 11/10/2022]
Abstract
OBJECTIVES Physical activity in children and adolescents has positive effects on cardiopulmonary function in this age group as well as later in life. As poor cardiopulmonary function is associated with higher mortality and morbidity, increasing physical activity especially in children needs to become a priority. Trampoline jumping is widely appreciated in children. The objective was to investigate its use as a possible training modality. METHODS Fifteen healthy children (10 boys and 5 girls) with a mean age of 8.8 years undertook one outdoor incremental running test using a mobile cardiopulmonary exercise testing unit. After a rest period of at least 2 weeks, a trampoline test using the mobile unit was realized by all participants consisting of a 5-min interval of moderate-intensity jumping and two high-intensity intervals with vigorous jumping for 2 min, interspersed with 1-min rests. RESULTS During the interval of moderate intensity, the children achieved [Formula: see text]-values slightly higher than the first ventilatory threshold (VT1) and during the high-intensity interval comparable to the second ventilatory threshold (VT2) of the outdoor incremental running test. They were able to maintain these values for the duration of the respective intervals. The maximum values recorded during the trampoline test were significantly higher than during the outdoor incremental running test. CONCLUSION Trampoline jumping is an adequate tool for implementing high-intensity interval training as well as moderate-intensity continuous training in children. As it is a readily available training device and is greatly enjoyed in this age group, it could be implemented in exercise interventions.
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Affiliation(s)
- Isabelle Schöffl
- Department of Pediatric Cardiology, University Hospital Erlangen-Nuremberg, 91054, Erlangen, Germany. .,School of Clinical and Applied Sciences, Leeds Beckett University, Leeds, Great Britain.
| | - Benedikt Ehrlich
- Section of Sportsmedicine and Sports Orthopaedics, Department of Orthopedic and Trauma Surgery, Klinikum Bamberg, Bamberg, Germany
| | - Kathrin Rottermann
- Department of Pediatric Cardiology, University Hospital Erlangen-Nuremberg, 91054, Erlangen, Germany
| | - Annika Weigelt
- Department of Pediatric Cardiology, University Hospital Erlangen-Nuremberg, 91054, Erlangen, Germany
| | - Sven Dittrich
- Department of Pediatric Cardiology, University Hospital Erlangen-Nuremberg, 91054, Erlangen, Germany
| | - Volker Schöffl
- School of Clinical and Applied Sciences, Leeds Beckett University, Leeds, Great Britain.,Section of Sportsmedicine and Sports Orthopaedics, Department of Orthopedic and Trauma Surgery, Klinikum Bamberg, Bamberg, Germany.,Section of Wilderness Medicine, Department of Emergency Medicine, University of Colorado School of Medicine, Denver, USA
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Kirchenberger T, Ketelhut S, Ketelhut RG. Effects of Moderate- versus Mixed-Intensity Training on VO 2peak in Young Well-Trained Rowers. Sports (Basel) 2021; 9:sports9070092. [PMID: 34201932 PMCID: PMC8309708 DOI: 10.3390/sports9070092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/14/2021] [Accepted: 06/21/2021] [Indexed: 11/30/2022] Open
Abstract
The effects of moderate-intensity continuous training (MICT) and a combination of MICT and high-intensity interval training (HIIT) on rowing performance and VO2peak were investigated in young athletes. Seventeen well-trained rowers (aged 15 ± 1.3 years) were randomly allocated to an intervention (IG) (n = 10) and control group (CG) (n = 7). During 8 weeks, both groups took part in the regular rowing training (3×/week MICT, 70–90 min, 65–70% of HRpeak + 2×/week resistance training). The IG completed an additional high-intensity interval training twice weekly (2 × 4 × 2 min at ≈95% of HRpeak, 60 s rest). Instead of the HIIT, the CG completed two more MICT sessions (70–90 min, 65–70% of HRpeak). Before and after the intervention, a 2000 m time trial and an exercise test were performed. The IG showed a significant improvement (p = 0.001) regarding the absolute rowing time in the graded exercise test. Furthermore, the intervention group showed a significant increase in relative VO2peak (p = 0.023), a significant increase in absolute VO2peak (p = 0.036), and a significant improvement in the 2000 m time trail (p = 0.003). No significant changes could be detected in the CG. The interaction effects were not significant. A mixed-intensity training, including HIIT, was beneficial on rowing performance and VO2peak in highly trained athletes.
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Affiliation(s)
- Timo Kirchenberger
- Campus Virchow-Klinikum, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany;
| | - Sascha Ketelhut
- Institute of Sport Science, University of Bern, 3012 Bern, Switzerland
- Correspondence: ; Tel.: +41-31-631-51-03
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The Effect of High-Intensity Interval Training Periods on Morning Serum Testosterone and Cortisol Levels and Physical Fitness in Men Aged 35-40 Years. J Clin Med 2021; 10:jcm10102143. [PMID: 34063524 PMCID: PMC8156527 DOI: 10.3390/jcm10102143] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/13/2021] [Accepted: 05/14/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Intensive physical activity largely modulates resting concentrations of blood cortisol (C) and testosterone (T) and their molar ratio, which is defined as the anabolic-catabolic index and expressed as T/C × 102. The aim of the study is to evaluate the effect of the author's high-intensity training program on T, C, T/C × 102, and selected physical fitness indices in men between 35 and 40 years of age. METHODS The experiment was conducted on a group of 30 healthy men, divided into control and experimental groups. The experimental group followed a high-intensity 8-week training program, which included three sessions per week, each of them lasting 1 h and consisting of intensive-interval exercises followed by strength circuit exercises. The controls did not change their previous recreational physical activity. T, C, and T/C × 102 were measured before and after the experiment for all participants. Physical performance was examined using a standardized laboratory exercise test to determine maximal oxygen uptake (VO2max). RESULTS There were statistically significant increases in T (by 36.7%) and T/C × 102 (by 59%), while C somewhat dropped (by 12%) in the experimental group. No changes in the hormonal indices were found in the control group. After completing the experimental training, there were no statistically significant changes in aerobic capacity, but it improved muscle strength in the men studied. CONCLUSIONS High-intensity interval training, continued over an 8-week period, modulates (significantly and positively) the balance between testosterone and cortisol levels and improves physical capacity in men aged 35-40 years.
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García-Hermoso A, Ezzatvar Y, Ramírez-Vélez R, Olloquequi J, Izquierdo M. Is device-measured vigorous physical activity associated with health-related outcomes in children and adolescents? A systematic review and meta-analysis. JOURNAL OF SPORT AND HEALTH SCIENCE 2021; 10:296-307. [PMID: 33285309 PMCID: PMC8167335 DOI: 10.1016/j.jshs.2020.12.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 09/21/2020] [Accepted: 10/15/2020] [Indexed: 06/12/2023]
Abstract
OBJECTIVE This study sought to analyze the prospective association between vigorous-intensity physical activity (VPA) and health-related outcomes in children and adolescents. METHODS Studies reporting associations between device-measured VPA and health-related factors in children and adolescents aged 3-18 years were identified through database searches (MEDLINE, EMBASE, and SPORTDiscus). Correlation coefficients were pooled if outcomes were reported by at least 3 studies, using DerSimonian-Laird random effects models. RESULTS Data from 23 studies including 13,674 participants were pooled using random effects models. Significant associations were found between VPA at baseline and overall adiposity (r = -0.09, 95% confidence interval (95%CI): -0.15 to -0.03; p = 0.002; I2 = 89.8%), cardiometabolic risk score (r = -0.13, 95%CI: -0.24 to -0.02, p = 0.020; I2 = 69.6%), cardiorespiratory fitness (r = 0.25, 95%CI: 0.15-0.35; p < 0.001; I2 = 57.2%), and total body bone mineral density (r = 0.16, 95%CI: 0.06 to 0.25; p = 0.001; I2 = 0%). CONCLUSION VPA seems to be negatively related to adiposity and cardiometabolic risk score and positively related to cardiorespiratory fitness and total body bone mineral density among children and adolescents at follow-up. Therefore, our findings support the need to strengthen physical activity recommendations regarding VPA due to its health benefits in children and adolescents.
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Affiliation(s)
- Antonio García-Hermoso
- Navarrabiomed, Navarra Hospital Complex (CHN), Public University of Navarra (UPNA), IdiSNA, Pamplona 31008, Spain; University of Santiago of Chile (USACH), Sciences of Physical Activity, Sports and Health School, Santiago 71783-5, Chile.
| | - Yasmin Ezzatvar
- Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, Universitat de València, Valencia 46010, Spain
| | - Robinson Ramírez-Vélez
- Navarrabiomed, Navarra Hospital Complex (CHN), Public University of Navarra (UPNA), IdiSNA, Pamplona 31008, Spain
| | - Jordi Olloquequi
- Institute of Biomedical Sciences, Faculthy of Health Sciences, Universidad Autónoma de Chile, Talca 3460000, Chile
| | - Mikel Izquierdo
- Navarrabiomed, Navarra Hospital Complex (CHN), Public University of Navarra (UPNA), IdiSNA, Pamplona 31008, Spain
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Bagley L, Al-Shanti N, Bradburn S, Baig O, Slevin M, McPhee JS. Sex Comparison of Knee Extensor Size, Strength, and Fatigue Adaptation to Sprint Interval Training. J Strength Cond Res 2021. [PMID: 29533360 DOI: 10.1519/jsc.0000000000002496] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
ABSTRACT Bagley, L, Al-Shanti, N, Bradburn, S, Baig, O, Slevin, M, and McPhee, JS. Sex comparison of knee extensor size, strength, and fatigue adaptation to sprint interval training. J Strength Cond Res 35(1): 64-71, 2021-Regular sprint interval training (SIT) improves whole-body aerobic capacity and muscle oxidative potential, but very little is known about knee extensor anabolic or fatigue resistance adaptations, or whether effects are similar for men and women. The purpose of this study was to compare sex-related differences in knee extensor size, torque-velocity relationship, and fatigability adaptations to 12-week SIT. Sixteen men and 15 women (mean [SEM] age: 41 [±2.5] years) completed measurements of total body composition assessed by dual energy X-ray absorptiometry, quadriceps muscle cross-sectional area (CSAQ) assessed by magnetic resonance imaging, the knee extensor torque-velocity relationship (covering 0-240°·s-1) and fatigue resistance, which was measured as the decline in torque from the first to the last of 60 repeated concentric knee extensions performed at 180°·s-1. Sprint interval training consisted of 4 × 20-second sprints on a cycle ergometer set at an initial power output of 175% of power at V̇o2max, 3 times per week for 12 weeks. Quadriceps muscle cross-sectional area increased by 5% (p = 0.023) and fatigue resistance improved 4.8% (p = 0.048), with no sex differences in these adaptations (sex comparisons: p = 0.140 and p = 0.282, respectively). Knee extensor isometric and concentric torque was unaffected by SIT in both men and women (p > 0.05 for all velocities). Twelve-week SIT, totaling 4 minutes of very intense cycling per week, significantly increased fatigue resistance and CSAQ similarly in men and women, but did not significantly increase torque in men or women. These results suggest that SIT is a time-effective training modality for men and women to increase leg muscle size and fatigue resistance.
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Affiliation(s)
- Liam Bagley
- School of Healthcare Science, John Dalton Building, Manchester Metropolitan University, Manchester, United Kingdom
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Natera AO, Cardinale M, Keogh JWL. The Effect of High Volume Power Training on Repeated High-Intensity Performance and the Assessment of Repeat Power Ability: A Systematic Review. Sports Med 2021; 50:1317-1339. [PMID: 32096112 DOI: 10.1007/s40279-020-01273-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND High volume power training (HVPT) involves high volumes of high-velocity resistance training, with the aim to improve repeated high-intensity efforts (RHIEs). Repeat power ability (RPA) is the ability to repeatedly produce maximal or near maximal efforts. Assessments of RPA using external loading may determine the ability to perform repeat RHIEs typical of many sports and, therefore, provide useful information on the effectiveness of training. OBJECTIVES (1) Identify the different HVPT protocols; (2) examine the acute responses and chronic adaptations to different HVPT protocols; (3) identify different lower body RPA assessment protocols and highlight similarities, differences and potential limitations between each protocol, and; (4) describe the reliability and validity of RPA assessments. METHODS An electronic search was performed using SPORTDiscus, PubMed, CINAHL and Embase for studies utilising HVPT protocols and assessments of RPA. Eligible studies included peer-reviewed journal articles published in English. RESULTS Twenty studies met the inclusion criteria of the final review. Of the eight longitudinal studies, three were rated as fair and five were rated as poor methodological quality, respectively. In contrast, all 12 cross-sectional studies were considered to have a low risk of bias. Preliminary evidence suggests that HVPT can enhance RHIE, RPA, anaerobic capacity, anaerobic power and aerobic performance. HVPT generally consists of 2-3 sessions per week, utilising loads of 30-40% 1 repetition maximum (RM), for 3-5 sets of 10-20 repetitions, with inter-set rest periods of 2-3 min. RPA assessments can be valid and reliable and may provide useful information on an athlete's ability to perform RHIE and the success of HVPT programmes. CONCLUSIONS HVPT can be used to improve a number of physical qualities including RPA and RHIE; while a variety of RPA assessments provide valid and reliable information regarding the athlete's ability to perform RHIEs. Considering the heterogeneity in the HVPT protocols currently used and the relatively low volume and quality of longitudinal publications in this area, further studies are needed to identify the effects of a variety of HVPT methods on RPA, RHIE and other performance outcomes and to identify the most valid and reliable RPA outcomes to use in such studies.
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Affiliation(s)
- Alex O Natera
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD, Australia. .,Greater Western Sydney Giants, Sydney, Australia.
| | - Marco Cardinale
- Sport Science Department, Aspire Academy, Po Box 22287, Doha, Qatar.,Department of Surgery and Interventional Medicine, University College London, London, UK.,Department of Computer Science, University College London, London, UK
| | - Justin W L Keogh
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD, Australia.,Sports Performance Research Centre New Zealand, AUT University, Auckland, New Zealand.,Kasturba Medical College, Mangalore, Manipal Academy of Higher Education, Manipal, Karnataka, India
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Hamdouni H, Kliszczewicz B, Zouhal H, Rhibi F, Ben Salah FZ, Ben Abderrahman A. Effect of three fitness programs on strength, speed, flexibility and muscle power on sedentary subjects. J Sports Med Phys Fitness 2021; 62:25-38. [PMID: 33555670 DOI: 10.23736/s0022-4707.21.12086-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND The aim of this study was to research and compare the effect of Crossfit® (CF), LesMills® (LM) and traditional resistance (TRAD) training program on short performances. METHODS Participants were assigned randomly into 3 groups and followed the training sessions allocated at the rate of 5 sessions/week for 16 weeks. A battery of tests including anthropometric and performance measures were carried out over three sessions: before training (T0), after eight weeks (T1) and sixteen weeks of training (T2). RESULTS Findings indicated that strength tests demonstrated a significant time effect (p<0.001, ηp 2=0.6), the results showed that CF and TRAD groups improved strength every 8 weeks while LM group only at T2, The speed test demonstrated also a significant time effect (p<0.001 , ηp 2=0.5) the results showed an improvement in speed every 8 weeks for LM, at T2 for CF and no change for TRAD, for flexibility, all tests demonstrated a main time effect (p<0.001 , ηp 2=0.46 - 0.7) CF was the best in shoulder range of motion and LM in trunk and lower limb flexibility, all power tests also demonstrated a significant time effect (p<0.001 , ηp 2=0.76 - 0.9) the improvement for all groups was every 8 weeks. CONCLUSIONS Based on these findings, we recommend TRAD and CF as valuable trainings for strength development, LM for flexibility and all three trainings for power improvement.
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Affiliation(s)
- Habil Hamdouni
- Department of Medicine Physical and Functional Rehabilitation of the National Institute of Orthopedics M.T. Kassab, Tunis, Tunisia - .,Higher Institute of Sport and Physical Education of Ksar-Said, Manouba, Tunisia -
| | - Brian Kliszczewicz
- Department of Exercise Science and Sport Management, Kennesaw State University, Kennesaw, GA, USA
| | - Hassane Zouhal
- Movement, Sport, Health and Sciences laboratory (M2S), UFR/APS, University of Rennes 2, Rennes, France
| | - Fatma Rhibi
- Hypoxia and pathophysiology of cardiovascular and respiratory (Hp2) laboratory, INSERM U1042, University Grenoble-Alpes, Grenoble, France
| | - Fatma Z Ben Salah
- Department of Medicine Physical and Functional Rehabilitation of the National Institute of Orthopedics M.T. Kassab, Tunis, Tunisia
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Feltz DL, Hill CR, Samendinger S, Myers ND, Pivarnik JM, Winn B, Ede A, Ploutz-Snyder L. Can Simulated Partners Boost Workout Effort in Long-Term Exercise? J Strength Cond Res 2021; 34:2434-2442. [PMID: 32732774 DOI: 10.1519/jsc.0000000000003732] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Feltz, DL, Hill, CR, Samendinger, S, Myers, ND, Pivarnik, JM, Winn, B, Ede, A, and Ploutz-Snyder, L. Can simulated partners boost workout effort in long-term exercise? J Strength Cond Res 34(9): 2434-2442, 2020-We tested whether exercising with a stronger simulated (i.e., software-generated) partner leads to greater work effort compared to exercising alone, to help those seeking to maintain or improve fitness levels with long-term high-intensity training, but who find it necessary or practical to exercise in social isolation. Forty-one middle-aged adults, who participated in at least 30 minutes of vigorous exercise 3x·wk, trained on a cycle ergometer 6 days per week for 24 weeks in an alternating regimen of moderate-intensity 30-minute continuous and 3 types of high-intensity interval sessions (8 × 30-second sprints, 6 × 2-minute ladders, and 4 × 4-minute intervals). They were assigned either no partner (control), an always superior partner, or a not always superior partner. Participants varied cycle power output to increase or decrease session intensity during the repeated moderate-intensity sessions (30-minute continuous) and 1 of the 3 high-intensity sessions (4 × 4-minute intervals). Changes in intensity were used as a measure of effort motivation over time. Nested multilevel models of effort trajectory were developed and alpha was set to 0.05. For continuous and interval sessions, effort trajectory was positive and significant for those with an always superior partner, but not significantly different from control. Within interval sessions, those with an always superior partner significantly increased effort in the fourth interval compared to control (p = 0.02). Exercising with an always superior partner leads to greater work efforts during the hardest interval training compared to exercising alone.
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Affiliation(s)
- Deborah L Feltz
- Department of Kinesiology, Michigan State University, East Lansing, Michigan
| | - Christopher R Hill
- Department of Kinesiology, California State University, San Bernardino, California
| | - Stephen Samendinger
- Department of Health Promotion and Wellness, Farmingdale State College, Farmingdale, New York
| | - Nicholas D Myers
- Department of Kinesiology, Michigan State University, East Lansing, Michigan
| | - James M Pivarnik
- Department of Kinesiology, Michigan State University, East Lansing, Michigan
| | - Brian Winn
- Department of Media and Information, Michigan State University, East Lansing, Michigan
| | - Alison Ede
- Department of Kinesiology, California State University, Long Beach, California; and
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Carvalho MR, Mendonça MLM, Oliveira JML, Romanenghi RB, Morais CS, Ota GE, Lima ARR, Oliveira RJ, Filiú WFO, Okoshi K, Okoshi MP, Oliveira-Junior SA, Martinez PF. Influence of high-intensity interval training and intermittent fasting on myocardium apoptosis pathway and cardiac morphology of healthy rats. Life Sci 2021; 264:118697. [PMID: 33130084 DOI: 10.1016/j.lfs.2020.118697] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/22/2020] [Accepted: 10/28/2020] [Indexed: 10/23/2022]
Abstract
AIM To evaluate the influence of intermittent fasting and high-intensity interval training (HIIT) on myocardial apoptosis signaling and cardiac morphological characteristics in healthy rats. METHODS Male Wistar rats (n = 60) were divided into four groups: sedentary control (SED-C), intermittent fasting (SED-IF), high-intensity interval training (HIIT-C), and high-intensity interval training plus intermittent fasting (HIIT-IF). SED-C and HIIT-C groups were treated daily with ad libitum chow; SED-IF and HIIT-IF received the same standard chow every other day. HIIT-C and HIIT-IF rats were submitted to an HIIT protocol five times a week for 12 weeks. At the end of the experiment, functional capacity, cardiac morphology, and expression of apoptosis signaling pathways-related proteins were analyzed. KEY FINDINGS HIIT increased cardiomyocyte cross-sectional area, collagen interstitial fraction, and the pro-apoptotic proteins AIF and caspase-3 expression, and reduced pro-apoptotic protein CYTC expression and the cleaved-to-non-cleaved PARP-1 ratio in myocardium. Intermittent fasting reduced cardiomyocyte cross-sectional area, collagen interstitial fraction, and expression of Bax, CYTC and cleaved PARP-1, and increased expression of the anti-apoptotic protein BCL-2. SMAC, ARC, and caspase-8 expression was not changed by HIIT or intermittent fasting. SIGNIFICANCE HIIT promotes cardiomyocyte hypertrophy and interstitial fibrosis, and modulates the apoptosis signaling pathway in healthy rat myocardium. Intermittent fasting reduces pro-apoptotic and increases antiapoptotic signaling, besides attenuating HIIT-induced cardiomyocyte hypertrophy and myocardial interstitial fibrosis.
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Affiliation(s)
- Marianna R Carvalho
- Striated Muscle Study Laboratory, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | - Maria Lua M Mendonça
- Striated Muscle Study Laboratory, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | - Jéssica M L Oliveira
- Striated Muscle Study Laboratory, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | - Rodrigo B Romanenghi
- Striated Muscle Study Laboratory, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | - Camila S Morais
- Striated Muscle Study Laboratory, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | - Gabriel E Ota
- Striated Muscle Study Laboratory, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | - Aline R R Lima
- Internal Medicine Department, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Brazil
| | - Rodrigo J Oliveira
- Striated Muscle Study Laboratory, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | - Wander F O Filiú
- Striated Muscle Study Laboratory, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | - Katashi Okoshi
- Internal Medicine Department, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Brazil
| | - Marina P Okoshi
- Internal Medicine Department, Botucatu Medical School, Sao Paulo State University (UNESP), Botucatu, Brazil
| | - Silvio A Oliveira-Junior
- Striated Muscle Study Laboratory, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil
| | - Paula F Martinez
- Striated Muscle Study Laboratory, Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil.
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Krings BM, Waldman HS, Shepherd BD, McAllister MJ, Fountain BJ, Lamberth JG, Smith JW. The metabolic and performance effects of carbohydrate timing in resistance trained males undergoing a carbohydrate restricted diet. Appl Physiol Nutr Metab 2020; 46:626-636. [PMID: 33301383 DOI: 10.1139/apnm-2020-0830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The purpose of this investigation was to examine the importance of carbohydrate (CHO) timing while consuming a carbohydrate restricted diet (CRD) and completing a high-intensity exercise program. Eighteen males completed 6 weeks of training with the first 2 weeks serving as familiarization. During the final 4 weeks, subjects were randomized into 2 groups and completed 3 days of resistance training and 2 days of high-intensity interval training, while consuming a CRD (∼25%, ∼25%, and ∼50%, CHO, protein, and fat, respectively). The supplemented group (n = 9) ingested 30 g of CHO during exercise and 40 g of CHO immediately after each training session. The non-supplemented group (n = 9) consumed a non-caloric placebo during exercise. Pre- and post-testing measures included back squat and bench press 1-repetition maximums (1-RM), peak oxygen consumption (V̇O2peak), anaerobic power, body composition, fasted glucose, insulin, and total testosterone. Both groups significantly improved back squat and bench press 1-RM, V̇O2peak, and power output (p < 0.05), but there were no differences in blood markers or body composition. Our data suggests that CHO timing does not negatively impact training adaptations during a high-intensity exercise regimen when dietary CHO intake is restricted, but that favorable adaptations can be made while consuming a CRD. Novelty: Carbohydrate restricted dieting has no negative impact on resistance training adaptations. Short-term high-intensity interval training is effective in increasing peak oxygen consumption.
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Affiliation(s)
- Ben M Krings
- Department of Health and Human Performance, University of Wisconsin- Platteville, Platteville, Wisconsin, USA
| | - Hunter S Waldman
- Department of Kinesiology, University of North Alabama, Florence, Alabama, USA
| | - Brandon D Shepherd
- Applied Physiology Laboratory, Department of Kinesiology, Mississippi State University, Mississippi State, Mississippi, USA
| | - Matthew J McAllister
- Metabolic & Applied Physiology Lab, Department of Health and Human Performance, Texas State University, San Marcos, Texas, USA
| | - Brent J Fountain
- Department of Food Science, Nutrition, and Health Promotion, Mississippi State University, Mississippi State, Mississippi, USA
| | - John G Lamberth
- Applied Physiology Laboratory, Department of Kinesiology, Mississippi State University, Mississippi State, Mississippi, USA
| | - JohnEric W Smith
- Applied Physiology Laboratory, Department of Kinesiology, Mississippi State University, Mississippi State, Mississippi, USA
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45
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Perween S, Hussain M, Hejazi I, Siddiqui M, Saif A, Parveen A. Comparison of sprint training and high intensity interval training on oxidative stress and aerobic capacity in male soccer players. COMPARATIVE EXERCISE PHYSIOLOGY 2020. [DOI: 10.3920/cep190078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The study compared the two popular modes of training: repeated sprint and interval, in terms of oxidative load and aerobic capacity. 20 male collegiate soccer players were assigned into either a repeated sprint training (RST) or high intensity interval training (HIIT) group. Training protocols were for a period of 4 weeks (3 times/week). Serum levels of superoxide dismutase, catalase and glutathione, in addition to maximal oxygen uptake and maximum voluntary isometric contraction for quadriceps and hamstrings were measured before training and within 24 h after the completion of training. Significant improvement (P≤0.05) in antioxidant defence response and leg strength was seen in both groups. However, improvement in aerobic capacity was non-significant in RST as compared to HIIT. These findings indicate that both RST and HIIT can be used as a conditioning exercise to alleviate exercise-induced oxidative stress in the competition phase in addition to improvement in aerobic capacity.
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Affiliation(s)
- S. Perween
- Department of Physiology, Centre for Physiotherapy and Rehabilitation sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - M.E. Hussain
- Department of Physiology, Centre for Physiotherapy and Rehabilitation sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - I.I. Hejazi
- Department of Biochemistry, Centre for Physiotherapy and Rehabilitation sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - M.Y.S. Siddiqui
- Department of Surgery, Faculty of Dentistry, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - A. Saif
- Department of Physiology, Centre for Physiotherapy and Rehabilitation sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - A. Parveen
- Department of Physiology, Centre for Physiotherapy and Rehabilitation sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
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46
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Heaton AL, Kelly C, Rood J, Tam CS, Greenway FL. Mechanism for the Increase in Human Growth Hormone with Administration of a Novel Test Supplement and Results Indicating Improved Physical Fitness and Sleep Efficiency. J Med Food 2020; 24:653-659. [PMID: 33030391 DOI: 10.1089/jmf.2020.0109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
An oral test supplement increases serum human growth hormone (hGH) levels after acute administration in healthy adults. We investigated the mechanism for the increase in hGH and the effect of continued daily administration of the test supplement on measures of physical fitness and sleep efficiency. In Study 1, serum triiodothyronine (T3) was measured in samples from a prior placebo-controlled, double-blind study in which 16 healthy participants received both placebo and the test supplement in a crossover design; treatment order was randomized, and treatments were separated by a 1-week washout. In Study 2, physical fitness (VO2 max) was measured at baseline and after 2 weeks of daily administration of the test supplement (N = 12 healthy participants). Study 3 assessed daily sleep onset latency and time awake during 3 weeks of daily administration of the test supplement (N = 15 healthy participants). A fall from baseline in T3 was observed with placebo (-6.1 ± 8.5 ng/dL, P = .01). Of note, the change in T3 was smaller with the test supplement (-3.3 ± 10.7 ng/dL, P = not significant) but was not statistically different from placebo. Mean VO2 max increased by 6% from baseline after 2 weeks (P = .02). Sleep-onset latency and time awake during the night were reduced from baseline to week 3 by 22% and 65%, respectively (P = .01 and P = .02). The conservation of T3 levels suggests that the mechanism for increased hGH secretion by the test supplement is through somatostatin inhibition. Furthermore, pilot studies indicated that daily administration of the supplement improved physical fitness and sleep efficiency from baseline, effects consistent with increased endogenous hGH release. Clinical Trial Registration No. NCT02987868.
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Affiliation(s)
- Amy L Heaton
- Pennington Biomedical Research Center, LSU System, Baton Rouge, Louisiana, USA.,Sierra Research Group, LLC, Salt Lake City, Utah, USA
| | - Colleen Kelly
- Kelly Statistical Consulting, Carlsbad, California, USA
| | - Jennifer Rood
- Pennington Biomedical Research Center, LSU System, Baton Rouge, Louisiana, USA
| | - Charmaine S Tam
- Pennington Biomedical Research Center, LSU System, Baton Rouge, Louisiana, USA
| | - Frank L Greenway
- Pennington Biomedical Research Center, LSU System, Baton Rouge, Louisiana, USA
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Wun CH, Zhang MJ, Ho BH, McGeough K, Tan F, Aziz AR. Efficacy of a Six-Week Dispersed Wingate-Cycle Training Protocol on Peak Aerobic Power, Leg Strength, Insulin Sensitivity, Blood Lipids and Quality of Life in Healthy Adults. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17134860. [PMID: 32640602 PMCID: PMC7369806 DOI: 10.3390/ijerph17134860] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 06/26/2020] [Accepted: 06/30/2020] [Indexed: 06/11/2023]
Abstract
The aim of this study was to evaluate the efficacy of a six-week dispersed Wingate Anaerobic test (WAnT) cycle exercise training protocol on peak aerobic power (VO2peak), isokinetic leg strength, insulin sensitivity, lipid profile and quality of life, in healthy adults. Methods: We conducted a match-controlled cohort trial and participants were assigned to either the training (intervention, INT, N = 16) or non-training (control, CON, N = 17) group. INT performed 30-s WAnT bouts three times a day in the morning, afternoon and evening with each bout separated by ~4 h of rest, performed for 3 days a week for 6 weeks. Criterion measures of peak oxygen uptake (VO2peak), leg strength, insulin markers such as homeostatic model assessment (HOMA) and quantitative insulin-sensitivity check index (QUICKI), blood lipids profile and health-related quality of life (HRQL) survey were assessed before and after 6 weeks in both groups. Results: Absolute VO2peak increased by 8.3 ± 7.0% (p < 0.001) after INT vs. 0.9 ± 6.1% in CON (p = 0.41) group. Maximal voluntary contraction at 30°·s-1 of the dominant lower-limb flexors in INT increased significantly post-training (p = 0.03). There were no changes in the INT individuals' other cardiorespiratory markers, HOMA, QUICKI, blood lipids, and HRQL measures (all p > 0.05) between pre- and post-training; but importantly, no differences were observed between INT and CON groups (all p > 0.05). Conclusions: The results indicate that 6 weeks of dispersed sprint cycle training increased cardiorespiratory fitness and dynamic leg strength but had minimal impact on insulin sensitivity, blood lipids and quality of life in the exercising individuals.
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Affiliation(s)
- Chun Hou Wun
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore; (C.H.W.); (F.T.)
| | - Mandy Jiajia Zhang
- Changi Sports Medicine Centre, Changi General Hospital, Singapore 529889, Singapore; (M.J.Z.); (B.H.H.)
| | - Boon Hor Ho
- Changi Sports Medicine Centre, Changi General Hospital, Singapore 529889, Singapore; (M.J.Z.); (B.H.H.)
| | - Kenneth McGeough
- ActiveSG, Active Health Division, Sport Singapore, Singapore 397630, Singapore;
| | - Frankie Tan
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore; (C.H.W.); (F.T.)
- Sport Science and Sport Medicine, Singapore Sport Institute, Sport Singapore, Singapore 397630, Singapore
| | - Abdul Rashid Aziz
- Sport Science and Sport Medicine, Singapore Sport Institute, Sport Singapore, Singapore 397630, Singapore
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Sheill G, Guinan E, O'Neill L, Normand C, Doyle SL, Moore S, Newell J, McDermott G, Ryan R, Reynolds JV, Hussey J. Preoperative exercise to improve fitness in patients undergoing complex surgery for cancer of the lung or oesophagus (PRE-HIIT): protocol for a randomized controlled trial. BMC Cancer 2020; 20:321. [PMID: 32293334 PMCID: PMC7160913 DOI: 10.1186/s12885-020-06795-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 03/27/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Patients with cancer of the lung or oesophagus, undergoing curative treatment, usually require a thoracotomy and a complex oncological resection. These surgeries carry a risk of major morbidity and mortality, and risk assessment, preoperative optimisation, and enhanced recovery after surgery (ERAS) pathways are modern approaches to optimise outcomes. Pre-operative fitness is an established predictor of postoperative outcome, accordingly, targeting pre-operative fitness through exercise prehabilitation has logical appeal. Exercise prehabilitation is challenging to implement however due to the short opportunity for intervention between diagnosis and surgery. Therefore, individually prescribed, intensive exercise training protocols which convey clinically meaningful improvements in cardiopulmonary fitness over a short period need to be investigated. This project will examine the influence of exercise prehabilitation on physiological outcomes and postoperative recovery and, through evaluation of health economics, the impact of the programme on hospital costs. METHODS The PRE-HIIT Randomised Controlled Trial (RCT) will compare a 2-week high intensity interval training (HIIT) programme to standard preoperative care in a cohort of thoracic and oesophageal patients who are > 2-weeks pre-surgery. A total of 78 participants will be recruited (39 per study arm). The primary outcome is cardiorespiratory fitness. Secondary outcomes include, measures of pulmonary and physical and quality of life. Outcomes will be measured at baseline (T0), and post-intervention (T1). Post-operative morbidity will also be captured. The impact of PRE-HIIT on well-being will be examined qualitatively with focus groups/interviews post-intervention (T1). Participant's experience of preparation for surgery on the PRE-HIIT trial will also be explored. The healthcare costs associated with the PRE-HITT programme, in particular acute hospital costs, will also be examined. DISCUSSION The overall aim of this RCT is to examine the effect of tailored, individually prescribed high intensity interval training aerobic exercise on pre-operative fitness and postoperative recovery for patients undergoing complex surgical resections, and the impact on use of health services. TRIAL REGISTRATION The study is registered with Clinical Trials.Gov (NCT03978325). Registered on 7th June 2019.
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Affiliation(s)
- Gráinne Sheill
- Discipline of Physiotherapy, School of Medicine, Trinity College, the University of Dublin, Dublin, Ireland.
| | - Emer Guinan
- School of Medicine, Trinity College, the University of Dublin, Dublin, Ireland
| | - Linda O'Neill
- Discipline of Physiotherapy, School of Medicine, Trinity College, the University of Dublin, Dublin, Ireland
| | - Charles Normand
- Centre for Health Policy and Management, Trinity College, the University of Dublin, Dublin, Ireland
| | - Suzanne L Doyle
- School of Biological and Health Sciences, Technological University Dublin, Dublin, Ireland
| | - Sarah Moore
- Physiotherapy Department, St James's Hospital, Dublin 8, Ireland
| | - John Newell
- School of Mathematics, Statistics and Applied Mathematics, National University of Ireland, Galway, Ireland
| | - Grainne McDermott
- Department of Anaesthesia and Intensive Care, St. James's Hospital, Dublin, Ireland
| | - Ronan Ryan
- Department of Surgery, Trinity Translational Medicine Institute, Trinity College, The University of Dublin and St. James's Hospital, Dublin, Ireland
| | - John V Reynolds
- Department of Surgery, St. James's Hospital, Dublin, Ireland
| | - Juliette Hussey
- Discipline of Physiotherapy, School of Medicine, Trinity College, the University of Dublin, Dublin, Ireland
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49
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Gordon D, Swain P, Keiller D, Merzbach V, Gernigon M, Chung H. Quantifying the effects of four weeks of low-volume high-intensity sprint interval training on V̇O2max through assessment of hemodynamics. J Sports Med Phys Fitness 2020; 60:53-61. [PMID: 32008311 DOI: 10.23736/s0022-4707.19.09912-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Sprint interval training is a popular workout modality. Studies have eluded to a positive effect on maximal oxygen uptake, however little is known about the mechanistic basis of this adaptation. Therefore, the purpose of this study was to determine the effects of a short-term high-intensity sprint interval training (SIT) intervention on V̇O2max through quantification of both the respiratory and hemodynamic responses. METHODS Thirty-six physically active participants undertook 4 weeks of either cycling-based SIT (8×20 s at 170% P-V̇O2max with 10 s recovery) or continuous exercise training (CET) (30 min at 70% P-V̇O2max) 3 times per week. V̇O2max, blood-based markers and hemodynamic responses were assessed pre and post the intervention period. V̇O2max was assessed using breath-by-breath open circuit spirometry, while hemodynamic responses were monitored using thoracic impedance cardiography. RESULTS V̇O2max exhibited a non-significant 4.1% increase (ES=0.24) for SIT with 7.0% P=0.007 (ES=0.40) increase for CET. Hemodynamic responses (maximal cardiac output, maximal stroke volume) displayed non-significant responses for CET and SIT while a-vO2dif-max increased from 15.8±4.8 to 18.3±2.9 mL/100 mL) (P=0.02) (ES=0.63) in SIT. CONCLUSIONS V̇O2max is a function of maximal cardiac output and a-vO2dif-max, so for a meaningful change to occur in cardiorespiratory fitness, there must be a concomitant increase in O2 delivery. This study demonstrates that a low volume SIT intervention evokes peripherally mediated responses (a-vO2dif) and anaerobic substrate utilization rather than O2 delivery components. Future works should address the time course of the responses and when assessing V̇O2max-based responses that due attention be given to the hemodynamic responses as means of quantification of the response.
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Affiliation(s)
- Dan Gordon
- Cambridge Centre for Sport and Exercise Sciences, Anglia Ruskin University, Cambridge, UK -
| | - Patrick Swain
- Cambridge Centre for Sport and Exercise Sciences, Anglia Ruskin University, Cambridge, UK
| | - Don Keiller
- School of Life Sciences, Anglia Ruskin University, Cambridge, UK
| | - Viviane Merzbach
- Cambridge Centre for Sport and Exercise Sciences, Anglia Ruskin University, Cambridge, UK
| | - Marie Gernigon
- Laboratory of Complexity, Innovation, Physical Activity, and Sports, University Paris Saclay, Paris, France
| | - Henry Chung
- Cambridge Centre for Sport and Exercise Sciences, Anglia Ruskin University, Cambridge, UK
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50
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The Effect of All-Extremity High-Intensity Interval Training on Plasma Pentraxin 3 in Young Overweight and Obese Women. Asian J Sports Med 2019. [DOI: 10.5812/asjsm.92849] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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