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Coswig VS, Barbalho M, Raiol R, Del Vecchio FB, Ramirez-Campillo R, Gentil P. Effects of high vs moderate-intensity intermittent training on functionality, resting heart rate and blood pressure of elderly women. J Transl Med 2020; 18:88. [PMID: 32066460 PMCID: PMC7027031 DOI: 10.1186/s12967-020-02261-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 02/07/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The present study compared the effects of training and detraining periods of high-intensity interval training (HIIT), moderate-intensity interval training (MIIT) and moderate-intensity continuous training (MICT) on functional performance, body composition, resting blood pressure and heart rate in elderly women nursing home residents. METHODS Forty-six volunteers (age, 80.8 ± 5.2 y; body mass, 69.8 ± 5.2 kg, height, 164.2 ± 4.12 cm) were divided into groups that performed treadmill exercise twice-weekly HIIT (4 bouts of 4-min intervals at 85-95% of the maximal heart rate [HRmax], interspersed by 4 min at 65% HRmax), MIIT (4 bouts of 4 min intervals at 55-75% HRmax, interspersed by 4 min at 45-50% HRmax) and MICT (30-min at 55-75% HRmax). Tests were performed before and after 8 weeks of training and 2 and 4 weeks of detraining. ANCOVA was used to analyze dependent variable changes. RESULTS After 8 weeks HIIT promoted greater reductions in body mass (HIIT = - 1.6 ± 0.1 kg; MICT = - 0.9 ± 0.1 kg; MIIT = - 0.9 ± 0.1 kg; p = 0.001), fat mass (HIIT = - 2.2 ± 0.1%; MICT = - 0.7 ± 0.1%; MIIT = - 1.2 ± 0.1%; p < 0.001) and resting heart rate (HIIT = - 7.3 ± 0.3%; MICT = - 3.6 ± 0.3%; MIIT = - 5.1 ± 0.3%; p < 0.001) and greater improvement in the chair stand test (HIIT = 3.4 ± 0.1 reps; MICT = 2.5 ± 0.1 reps; MIIT = 3.1 ± 0.1 reps; p < 0.001) when compared to MIIT and MICT. These improvements were sustained after 2 and 4 weeks of detraining only in the HIIT group. CONCLUSION HIIT promoted greater benefits for body composition and functional performance than MICT and MIIT and also showed less pronounced effects of detraining. This suggests that the intensity of physical exercise is an important factor to consider when prescribing exercise to the elderly.
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Affiliation(s)
| | - Matheus Barbalho
- College of Physical Education and Dance, Federal University of Goiás, Goiânia, Brazil.
- FEFD-Faculdade de Educação Física e Dança, Universidade Federal de Goiás-UFG, Campus Samambaia, Avenida Esperança s/n, Campus Samambaia, Goiânia, Goiás, CEP: 74.690-900, Brazil.
| | - Rodolfo Raiol
- Center for Biological and Health Sciences, University Center of the State of Pará, Belém, Pará, Brazil
| | | | - Rodrigo Ramirez-Campillo
- Department of Physical Activity Sciences, Research Nucleus in Health Physical Activity, and Sport, Laboratory of Measurement and Assessment in Sport, Universidad de Los Lagos, Osorno, Chile
| | - Paulo Gentil
- College of Physical Education and Dance, Federal University of Goiás, Goiânia, Brazil
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Gonzalo-Skok O, Tous-Fajardo J, Moras G, Arjol-Serrano JL, Mendez-Villanueva A. A Repeated Power Training Enhances Fatigue Resistance While Reducing Intraset Fluctuations. J Strength Cond Res 2019; 33:2711-2721. [DOI: 10.1519/jsc.0000000000002541] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Effect of varied tapering on the immune cells of endurance athletes in some selected training centers of Ethiopia. TURKISH JOURNAL OF KINESIOLOGY 2019. [DOI: 10.31459/turkjkin.535474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Jafer AA, Mondal S, Abdulkedir M, Mativananan D. Effect of two tapering strategies on endurance-related physiological markers in athletes from selected training centres of Ethiopia. BMJ Open Sport Exerc Med 2019; 5:e000509. [PMID: 31191966 PMCID: PMC6539154 DOI: 10.1136/bmjsem-2019-000509] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/25/2019] [Indexed: 11/03/2022] Open
Abstract
OBJECTIVE We aimed to investigate the effects of two tapering strategies on specific endurance-related performance markers in some selected athletic training centres of Ethiopia. METHODOLOGY Thirty-seven young distance runners (mean age: 20±1.97 years; mean training period: 2.43±0.603 years) were randomly assigned to high-intensity low-volume (HILV) and high-intensity moderate-volume (HIMV) taper groups. Training frequencies were five times per week conducted for 2 weeks in both groups. At baseline and after 2 weeks of the taper intervention, the average red blood cell (RBC) count, haemoglobin (Hgb) concentration and haematocrit percentages (Hct) of the participants were measured and analysed using a complete blood count (sysmix) instrument. RESULTS Using a parallel-group design, we investigated the effects of the two tapering strategies (HILV and HIMV), and positive changes were observed in the endurance-related physiological traits of RBC count, Hgb concentration and Hct percentages regardless of the amount of volume reduced during the 2-week taper period. Comparisons of the two strategies did not reveal significant differences between the taper groups. CONCLUSION Taper strategies characterised by HILV and HIMV training load have beneficial effects on the improvement of endurance performance. Reduction of training load-training volume did not affect endurance performance, instead these could induce extra adaption of the body physiology.
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Affiliation(s)
| | | | - Mahmud Abdulkedir
- Medical microbiology and Immunology, Mekelle University, Mekelle, Ethiopia
| | - D Mativananan
- Sport Science, Mekelle University, Mekelle, Ethiopia
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Amaro N, Morouço P, Marques M, Batalha N, Neiva H, Marinho D. A systematic review on dry-land strength and conditioning training on swimming performance. Sci Sports 2019. [DOI: 10.1016/j.scispo.2018.07.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Siddle J, Greig M, Weaver K, Page RM, Harper D, Brogden CM. Acute adaptations and subsequent preservation of strength and speed measures following a Nordic hamstring curl intervention: a randomised controlled trial. J Sports Sci 2018; 37:911-920. [PMID: 30369285 DOI: 10.1080/02640414.2018.1535786] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
This randomised controlled trial investigated changes in eccentric hamstring strength, 10m sprint speed, and change-of-direction (COD) performance immediately post Nordic hamstring curl (NHC) intervention and following a 3-week detraining period. Fourteen male team sports athletes were randomised to a do-as-usual control group (CG; n = 7) or to a NHC intervention group (NHC; n = 7). Isokinetic dynamometry at 180°/s evaluated eccentric hamstring strength immediately post-intervention as the primary outcome measure. Secondary outcomes included 10 m sprint time and COD. Each outcome was measured, pre, immediately post-intervention and following a 3-week detraining period. Immediately post-intervention significant group differences were observed in the NHC group for eccentric hamstring strength (31.81 Nm-1 vs. 6.44 Nm-1, P = 0.001), COD (-0.12 s vs. 0.20 s; P = 0.003) and sprint (- 0.06 s vs. 0.05 s; P = 0.024) performance. Performance improvements were maintained following a detraining period for COD (-0.11 s vs. 0.20 s; P = 0.014) and sprint (-0.05 s vs. 0.03 s, P = 0.031) but not eccentric hamstring strength (15.67 Nm-1 vs. 6.44 Nm-1, P = 0.145) These findings have important implications for training programmes designed to reduce hamstring injury incidence, whilst enhancing physical qualities critical to sport.
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Affiliation(s)
- James Siddle
- a Sports Injuries Research Group, Department of Sport & Physical Activity , Edge Hill University , Ormskirk , UK
| | - Matt Greig
- a Sports Injuries Research Group, Department of Sport & Physical Activity , Edge Hill University , Ormskirk , UK
| | - Kristian Weaver
- a Sports Injuries Research Group, Department of Sport & Physical Activity , Edge Hill University , Ormskirk , UK
| | - Richard Michael Page
- a Sports Injuries Research Group, Department of Sport & Physical Activity , Edge Hill University , Ormskirk , UK
| | - Damian Harper
- b School of Sport , York St John University , York , UK
| | - Christopher Michael Brogden
- a Sports Injuries Research Group, Department of Sport & Physical Activity , Edge Hill University , Ormskirk , UK
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Chaouachi A, Ben Othman A, Makhlouf I, Young JD, Granacher U, Behm DG. Global Training Effects of Trained and Untrained Muscles With Youth Can be Maintained During 4 Weeks of Detraining. J Strength Cond Res 2018; 33:2788-2800. [PMID: 29794891 DOI: 10.1519/jsc.0000000000002606] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Chaouachi, A, Ben Othman, A, Makhlouf, I, Young, JD, Granacher, U, and Behm, DG. Global training effects of trained and untrained muscles with youth can be maintained during 4 weeks of detraining. J Strength Cond Res 33(10): 2788-2800, 2019-Global (whole-body) effects of resistance training (i.e., cross-education) may be pervasive with children. Detraining induces less substantial deficits with children than adults. It was the objective of this study to investigate the global responses to 4 weeks of detraining after 8 weeks of unilateral leg press (LP) training in 10-13-year-old, pre-peak-height-velocity stage boys. Subjects were randomly separated into 2 unilateral resistance training groups (high load/low repetitions [HL-LR] and low load/high repetitions [LL-HR], and control group). Assessments at pre-training, post-training, and detraining included dominant and nondominant limbs, unilateral, 1 repetition maximum (1RM) and 60% 1RM LP, knee extension, knee flexion, elbow flexion, and handgrip maximal voluntary isometric contraction (MVIC), and countermovement jump (CMJ). All measures significantly increased from pre-test to detraining for both training programs, except for elbow flexion MVIC with increases only with HL-LR. All measures except CMJ and handgrip MVIC significantly decreased from post-test to detraining, except for elbow flexion MVIC with decreases only with HL-LR. The dominant trained limb experienced significantly greater LP improvements (pre- to detraining) and decrements (post- to detraining) with LP 1RM and 60% 1RM LP. In conclusion, youth HL-LR and LL-HR global training effects of trained and untrained limbs demonstrate similar benefits (pre- to detraining) and decrements (post- to detraining) with detraining. The findings emphasize that training any muscle group in a child can have positive global implications for improved strength and power that can persist over baseline measures for at least a month.
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Affiliation(s)
- Anis Chaouachi
- Tunisian Research Laboratory "Sport Performance Optimisation," National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia.,Sports Performance Research Institute New Zealand, AUT University, Auckland, New Zealand
| | - Aymen Ben Othman
- Tunisian Research Laboratory "Sport Performance Optimisation," National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
| | - Issam Makhlouf
- Tunisian Research Laboratory "Sport Performance Optimisation," National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
| | - James D Young
- School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John's, Newfoundland, Canada
| | - Urs Granacher
- Division of Training and Movement Science, University of Potsdam, Potsdam, Germany
| | - David G Behm
- School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John's, Newfoundland, Canada
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Jung S, Lee S, Bae S, Lee S, Makino K, Shinkai Y, Shimada H. Effectiveness of the KENKOJISEICHI local revitalization system on cognitive function change in older adults with mild cognitive impairment: study protocol for a randomized controlled trial. Trials 2018; 19:276. [PMID: 29751823 PMCID: PMC5948761 DOI: 10.1186/s13063-018-2642-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 04/11/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Physical activity is associated with a lower risk of cognitive decline in older adults. However, past studies have demonstrated that older adults tend to relapse into inactivity after completing interventions. This ongoing study employs a randomized controlled trial design to assess the efficacy and efficiency of the KENKOJISEICHI local revitalization system for promoting daily outdoor behaviors to improve cognitive function in community-dwelling older adults with mild cognitive impairment (MCI). METHODS/DESIGN This 6-month randomized controlled trial will include 83 community-dwelling older adults aged 65 years or older with MCI. Participants will be randomized to the KENKOJISEICHI experimental group or an educational control group. The KENKOJISEICHI group will receive a 90-minute session twice per week that consists of social, intellectual, and physical activities involving outdoor behaviors intended to support cognitive function. Participants in the educational control group will attend two 120-minute educational classes during the 6-month trial period. Considering a 20-30% dropout rate, a sample size of 35 participants per group is required. DISCUSSION If the program successfully promotes long-term habitual outdoor behaviors, this will expand knowledge regarding how to support social, intellectual, and physical activities, as well as communication change, among the older population to provide them with cognitive benefits. TRIAL REGISTRATION University Hospital Medical Information Network (UMIN), Japan, UMIN000026479 . Registered on 9 March 2017.
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Affiliation(s)
- Songee Jung
- Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, 7-430 Morioka, Obu, Aichi, 474-8511, Japan.
| | - Sungchul Lee
- Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, 7-430 Morioka, Obu, Aichi, 474-8511, Japan
| | - Seongryu Bae
- Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, 7-430 Morioka, Obu, Aichi, 474-8511, Japan.,Japan Society for the Promotion of Science, 5-3-1 Kojimachi, Chiyoda, Tokyo, 102-8472, Japan
| | - Sangyoon Lee
- Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, 7-430 Morioka, Obu, Aichi, 474-8511, Japan
| | - Keitaro Makino
- Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, 7-430 Morioka, Obu, Aichi, 474-8511, Japan
| | - Yohei Shinkai
- Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, 7-430 Morioka, Obu, Aichi, 474-8511, Japan
| | - Hiroyuki Shimada
- Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, 7-430 Morioka, Obu, Aichi, 474-8511, Japan
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The Trainability of Adolescent Soccer Players to Brief Periodized Complex Training. Int J Sports Physiol Perform 2018; 13:645-655. [DOI: 10.1123/ijspp.2017-0763] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Purpose: To investigate the effect of a complex, short-term strength/power training protocol on performance and body composition of elite early adolescent soccer players. Methods: Twenty-two players (14–15 y) were randomly assigned to (1) an experimental group (N = 12; participated in a 5-wk training protocol with traditional multijoint power resistance exercises, Olympic-style lifts, plyometric drills, and speed work; 4 times per week) or (2) a control group (N = 10). Strength and power performance (jumping, speed, change of direction, repeated sprint ability, endurance, isokinetic strength of knee flexors and extensors, maximal strength in various lifts, and speed-endurance) were evaluated pretraining and posttraining. Results: Cessation of training for 5 weeks in the control group induced a marked performance deterioration (∼5%–20%). Training not only prevented strength performance deterioration but also increased it (∼2%–30%). Endurance and repeated sprint ability declined to a smaller extent in experimental group compared with control group (15% vs 7.5%). Isometric strength and body composition remained unaltered in both groups. Conclusions: Results demonstrate that (1) young players exhibit a high level of trainability of their strength/power performance (but not endurance) in response to a short-term complex training protocol during early adolescence, (2) Olympic-style lifts are characterized by increased safety in this age group and appear to be highly effective, (3) lifts incorporating a hip thrust result in increased strength of both knee extensors and flexors, (4) cessation of training for only 5 weeks results in marked deterioration of strength/power and endurance performance, and (5) improvement of strength/power performance may be related to neural-based adaptation as body composition remained unaffected.
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Grgic J, Mikulic P. Tapering Practices of Croatian Open-Class Powerlifting Champions. J Strength Cond Res 2018; 31:2371-2378. [PMID: 27806009 DOI: 10.1519/jsc.0000000000001699] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Grgic, J and Mikulic, P. Tapering practices of Croatian open-class powerlifting champions. J Strength Cond Res 31(9): 2371-2378, 2017-The aim of this study was to explore tapering practices among 10 Croatian open-class powerlifting champions (mean ± SD: age 29.2 ± 3.2 years; Wilks coefficient 355.1 ± 54.8). The athletes were interviewed about their tapering practices using a semi-structured interview after which the audio content was transcribed. The athletes reported decreasing training volume during the taper by 50.5 ± 11.7% using a step type or an exponential type of taper with a fast decay. Training intensity was maintained or increased during the taper, and it reached its highest values 8 ± 3 days before the competition. Training frequency was reduced or maintained during the taper. The final week included a reduction in training frequency by 47.9 ± 17.5% with the last training session performed 3 ± 1 days before the competition. The participants typically stated that the main reasons for conducting the taper were maintaining strength and reducing the amount of fatigue. They also stated that (a) the taper was structured identically for the squat, bench press, and the deadlift; (b) the training during the taper was highly specific, the assistance exercises were removed, and the same equipment was used as during competition; (c) the source of information for tapering was their coach, and training fluctuated based on the coach's feedback; and (d) nutrition, foam rolling, static stretching, and massage were all given extra attention during the taper. These results may aid athletes and coaches in strength sports in terms of the optimization of tapering variables.
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Affiliation(s)
- Jozo Grgic
- 1Fitness Academy, Zagreb, Croatia; and 2Faculty of Kinesiology, University of Zagreb, Zagreb, Croatia
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Strength Training for Middle- and Long-Distance Performance: A Meta-Analysis. Int J Sports Physiol Perform 2018; 13:57-63. [PMID: 28459360 DOI: 10.1123/ijspp.2017-0032] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
PURPOSE To assess the net effects of strength training on middle- and long-distance performance through a meta-analysis of the available literature. METHODS Three databases were searched, from which 28 of 554 potential studies met all inclusion criteria. Standardized mean differences (SMDs) were calculated and weighted by the inverse of variance to calculate an overall effect and its 95% confidence interval (CI). Subgroup analyses were conducted to determine whether the strength-training intensity, duration, and frequency and population performance level, age, sex, and sport were outcomes that might influence the magnitude of the effect. RESULTS The implementation of a strength-training mesocycle in running, cycling, cross-country skiing, and swimming was associated with moderate improvements in middle- and long-distance performance (net SMD [95%CI] = 0.52 [0.33-0.70]). These results were associated with improvements in the energy cost of locomotion (0.65 [0.32-0.98]), maximal force (0.99 [0.80-1.18]), and maximal power (0.50 [0.34-0.67]). Maximal-force training led to greater improvements than other intensities. Subgroup analyses also revealed that beneficial effects on performance were consistent irrespective of the athletes' level. CONCLUSION Taken together, these results provide a framework that supports the implementation of strength training in addition to traditional sport-specific training to improve middle- and long-distance performance, mainly through improvements in the energy cost of locomotion, maximal power, and maximal strength.
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Photobiomodulation therapy for the improvement of muscular performance and reduction of muscular fatigue associated with exercise in healthy people: a systematic review and meta-analysis. Lasers Med Sci 2017; 33:181-214. [PMID: 29090398 DOI: 10.1007/s10103-017-2368-6] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Accepted: 10/17/2017] [Indexed: 12/25/2022]
Abstract
Researches have been performed to investigate the effects of phototherapy on improving performance and reduction of muscular fatigue. However, a great variability in the light parameters and protocols of the trials are a concern to establish the efficacy of this therapy to be used in sports or clinic. The aim of this study is to investigate the effectiveness, moment of application of phototherapy within an exercise protocol, and which are the parameters optimally effective for the improvement of muscular performance and the reduction of muscular fatigue in healthy people. Systematic searches of PubMed, PEDro, Cochrane Library, EMBASE, and Web of Science databases were conducted for randomized clinical trials to March 2017. Analyses of risk of bias and quality of evidence of the included trials were performed, and authors were contacted to obtain any missing or unclear information. We included 39 trials (861 participants). Data were reported descriptively through tables, and 28 trials were included in meta-analysis comparing outcomes to placebo. Meta-analysis was performed for the variables: time until reach exhaustion, number of repetitions, isometric peak torque, and blood lactate levels showing a very low to moderate quality of evidence and some effect in favor to phototherapy. Further investigation is required due the lack of methodological quality, small sample size, great variability of exercise protocols, and phototherapy parameters. In general, positive results were found using both low-level laser therapy and light-emitting diode therapy or combination of both in a wavelength range from 655 to 950 nm. Most of positive results were observed with an energy dose range from 20 to 60 J for small muscular groups and 60 to 300 J for large muscular groups and maximal power output of 200 mW per diode.
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Balaguier R, Madeleine P, Rose-Dulcina K, Vuillerme N. Effects of a Worksite Supervised Adapted Physical Activity Program on Trunk Muscle Endurance, Flexibility, and Pain Sensitivity Among Vineyard Workers. J Agromedicine 2017; 22:200-214. [PMID: 28402188 DOI: 10.1080/1059924x.2017.1317683] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVES In viticulture, the prevalence of low back pain is particularly high among vineyard workers exposed to sustained and awkward postures. One promising setting for low back pain prevention resides in the implementation of workplace physical activity. METHODS This nonrandomized pilot study aims at evaluating the effects of a worksite supervised adapted physical activity program among 17 vineyard workers volunteered to enter either an intervention group (n = 10) or a control group (n = 7).The intervention group followed a physical activity program for 8 weeks involving (1) 15 minutes of warm-up every working day and (2) two weekly 1-hour adapted physical activity sessions targeting trunk muscle endurance and flexibility. The control group was advised to continue normal physical activity. Evaluations were carried out at weeks 0, 4, 8, and 12. Physical capacity was assessed using flexibility tests for the trunk, along with trunk muscle flexor and extensor endurance tests. Finally, pain sensitivity was evaluated by assessing pressure pain thresholds over 14 anatomical locations in the low back region. RESULTS For the intervention group, the endurance of the trunk extensor and flexor significantly increased from baseline to week 8 as well as the pressure pain thresholds. No change was observed for the control group over the same period. CONCLUSIONS These encouraging results in combination with the high adherence rate set interesting foundations for the promotion of worksite supervised adapted physical activity and, most likely, offer a new promising approach to prevent low back pain among vineyard workers.
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Affiliation(s)
- Romain Balaguier
- a Autonomy, Gerontology, E-health, Imaging and Society (AGEIS), Faculty of Medicine , Grenoble Alpes University , Grenoble , France.,b Physical Activity and Human Performance Group, Centre for Sensory Motor Interaction (SMI), Department of Health Science and Technology , Aalborg University , Aalborg , Denmark
| | - Pascal Madeleine
- b Physical Activity and Human Performance Group, Centre for Sensory Motor Interaction (SMI), Department of Health Science and Technology , Aalborg University , Aalborg , Denmark
| | - Kévin Rose-Dulcina
- a Autonomy, Gerontology, E-health, Imaging and Society (AGEIS), Faculty of Medicine , Grenoble Alpes University , Grenoble , France
| | - Nicolas Vuillerme
- a Autonomy, Gerontology, E-health, Imaging and Society (AGEIS), Faculty of Medicine , Grenoble Alpes University , Grenoble , France.,b Physical Activity and Human Performance Group, Centre for Sensory Motor Interaction (SMI), Department of Health Science and Technology , Aalborg University , Aalborg , Denmark.,c Institut Universitaire de France , Paris , France
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The Effects of 6 Months of Progressive High Effort Resistance Training Methods upon Strength, Body Composition, Function, and Wellbeing of Elderly Adults. BIOMED RESEARCH INTERNATIONAL 2017; 2017:2541090. [PMID: 28676855 PMCID: PMC5476889 DOI: 10.1155/2017/2541090] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 03/14/2017] [Indexed: 12/25/2022]
Abstract
Purpose The present study examined the progressive implementation of a high effort resistance training (RT) approach in older adults over 6 months and through a 6-month follow-up on strength, body composition, function, and wellbeing of older adults. Methods Twenty-three older adults (aged 61 to 80 years) completed a 6-month supervised RT intervention applying progressive introduction of higher effort set end points. After completion of the intervention participants could choose to continue performing RT unsupervised until 6-month follow-up. Results Strength, body composition, function, and wellbeing all significantly improved over the intervention. Over the follow-up, body composition changes reverted to baseline values, strength was reduced though it remained significantly higher than baseline, and wellbeing outcomes were mostly maintained. Comparisons over the follow-up between those who did and those who did not continue with RT revealed no significant differences for changes in any outcome measure. Conclusions Supervised RT employing progressive application of high effort set end points is well tolerated and effective in improving strength, body composition, function, and wellbeing in older adults. However, whether participants continued, or did not, with RT unsupervised at follow-up had no effect on outcomes perhaps due to reduced effort employed during unsupervised RT.
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Tavares LD, de Souza EO, Ugrinowitsch C, Laurentino GC, Roschel H, Aihara AY, Cardoso FN, Tricoli V. Effects of different strength training frequencies during reduced training period on strength and muscle cross-sectional area. Eur J Sport Sci 2017; 17:665-672. [DOI: 10.1080/17461391.2017.1298673] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Lucas Duarte Tavares
- School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil
| | - Eduardo Oliveira de Souza
- School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil
- Department of Health Sciences and Human Performance, The University of Tampa, Tampa, FL, USA
| | - Carlos Ugrinowitsch
- School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil
| | - Gilberto Candido Laurentino
- School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil
- Department of health, exercise science and recreation management, The University of Mississippi, Oxford, MS, USA
| | - Hamilton Roschel
- School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil
| | | | | | - Valmor Tricoli
- School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil
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Manca A, Dvir Z, Dragone D, Mureddu G, Bua G, Deriu F. Time course of strength adaptations following high-intensity resistance training in individuals with multiple sclerosis. Eur J Appl Physiol 2017; 117:731-743. [DOI: 10.1007/s00421-017-3534-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 01/02/2017] [Indexed: 11/29/2022]
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Tallent J, Goodall S, Gibbon KC, Hortobágyi T, Howatson G. Enhanced Corticospinal Excitability and Volitional Drive in Response to Shortening and Lengthening Strength Training and Changes Following Detraining. Front Physiol 2017; 8:57. [PMID: 28223941 PMCID: PMC5293799 DOI: 10.3389/fphys.2017.00057] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 01/23/2017] [Indexed: 01/05/2023] Open
Abstract
There is a limited understanding of the neurological adaptations responsible for changes in strength following shortening and lengthening resistance training and subsequent detraining. The aim of the study was to investigate differences in corticospinal and spinal responses to resistance training of the tibialis anterior muscle between shortening or lengthening muscle contractions for 4 weeks and after 2 weeks of detraining. Thirty-one untrained individuals were assigned to either shortening or lengthening isokinetic resistance training (4 weeks, 3 days/weeks) or a non-training control group. Transcranial magnetic stimulation and peripheral nerve stimulation (PNS) were used to assess corticospinal and spinal changes, respectively, at pre-, mid-, post-resistance training and post detraining. Greater increases changes (P < 0.01) in MVC were found from the respective muscle contraction training. Motor evoked potentials (expressed relative to background EMG) significantly increased in lengthening resistance training group under contraction intensities ranging from 25 to 80% of the shortening and lengthening contraction intensity (P < 0.01). In the shortening resistance training group increases were only seen at 50 and 80% of both contraction type. Volitional drive (V-wave) showed a greater increase following lengthening resistance training (57%) during maximal lengthening contractions compared to maximal shortening contractions following shortening resistance training (23%; P < 0.001). During the detraining period MVC and V-wave did not change (P > 0.05), although MEP amplitude decreased during the detraining period (P < 0.01). No changes in H-reflex were found pre to post resistance training or post detraining. Modulation in V-wave appeared to be contraction specific, whereby greatest increases occurred following lengthening resistance training. Strength and volitional drive is maintained following 2 weeks detraining, however corticospinal excitability appears to decrease when the training stimulus is withdrawn.
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Affiliation(s)
- Jamie Tallent
- Department of Sport, Exercise and Rehabilitation, Northumbria UniversityNewcastle-upon-Tyne, UK; School of Sport, Health and Applied Science, St Mary's UniversityTwickenham, UK
| | - Stuart Goodall
- Department of Sport, Exercise and Rehabilitation, Northumbria University Newcastle-upon-Tyne, UK
| | - Karl C Gibbon
- Department of Advanced Health Science, Buckinghamshire New University High Wycombe, UK
| | - Tibor Hortobágyi
- Department of Sport, Exercise and Rehabilitation, Northumbria UniversityNewcastle-upon-Tyne, UK; Faculty of Medical Sciences, University of GroningenGroningen, Netherlands
| | - Glyn Howatson
- Department of Sport, Exercise and Rehabilitation, Northumbria UniversityNewcastle-upon-Tyne, UK; Water Research Group, School of Environmental Sciences and Development, Northwest UniversityPotchefstroom, South Africa
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Ribeiro AS, Schoenfeld BJ, Souza MF, Tomeleri CM, Venturini D, Barbosa DS, Cyrino ES. Traditional and pyramidal resistance training systems improve muscle quality and metabolic biomarkers in older women: A randomized crossover study. Exp Gerontol 2016; 79:8-15. [PMID: 26972635 DOI: 10.1016/j.exger.2016.03.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 02/29/2016] [Accepted: 03/09/2016] [Indexed: 12/15/2022]
Abstract
The purpose of this study was to compare the effect of RT performed in a pyramid (PR) and traditional (TD) straight set training system on muscle quality and metabolic biomarkers in older women. Twenty-five physically independent older women (67.6±5.1years, 65.9±11.1kg, 154.7±5.8cm) performed a RT program in TD and PR training systems in a balanced crossover design. Measurements of muscle quality, serum levels of C-reactive protein (CRP), glucose (GLU), total cholesterol, high-density lipoprotein (HDL-C), low-density lipoprotein (LDL-C), and triglycerides (TG) were obtained at different moments. The TD program consisted of 3 sets of 8-12 repetitions maximum (RM) with a constant weight for the 3 sets, whereas the PR training consisted of 3 sets of 12/10/8 RM with incremental weight for each set. The training was performed in 2 phases of 8weeks each, with a 12-week washout period between phases. Significant (P<0.05) improvements were observed in both groups for muscle quality (TD=+8.6% vs. PR=+6.8%), GLU (TD=-4.5% vs. PR=-1.9%), TG (TD=-18.0% vs. PR=-11.7%), HDL-C (TD=+10.6 vs. PR=+7.8%), LDL-C (TD=-23.3% vs. PR=-21.0%), and CRP (TD=-19.4% vs. PR=-14.3%) with no differences between training systems. These results suggest that RT improves muscle quality and metabolic biomarkers of older women independently of the training system.
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Affiliation(s)
- Alex S Ribeiro
- Study and Research Group in Metabolism, Nutrition, and Exercise, Londrina State University, Londrina, Brazil.
| | - Brad J Schoenfeld
- Exercise Science Department, CUNY Lehman College, Bronx, New York, United States
| | - Mariana F Souza
- Study and Research Group in Metabolism, Nutrition, and Exercise, Londrina State University, Londrina, Brazil
| | - Crisieli M Tomeleri
- Study and Research Group in Metabolism, Nutrition, and Exercise, Londrina State University, Londrina, Brazil
| | - Danielle Venturini
- Department of Pathology, Clinical and Toxicological Analysis, Center of Health Sciences, University Hospital, Londrina State University, Londrina, Brazil
| | - Décio S Barbosa
- Department of Pathology, Clinical and Toxicological Analysis, Center of Health Sciences, University Hospital, Londrina State University, Londrina, Brazil
| | - Edilson S Cyrino
- Study and Research Group in Metabolism, Nutrition, and Exercise, Londrina State University, Londrina, Brazil
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Padilha CS, Ribeiro AS, Fleck SJ, Nascimento MA, Pina FLC, Okino AM, Venturini D, Barbosa DS, Mayhew JL, Cyrino ES. Effect of resistance training with different frequencies and detraining on muscular strength and oxidative stress biomarkers in older women. AGE (DORDRECHT, NETHERLANDS) 2015; 37:104. [PMID: 26423425 PMCID: PMC5005843 DOI: 10.1007/s11357-015-9841-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Accepted: 09/21/2015] [Indexed: 05/05/2023]
Abstract
The aim of this study was to compare the effect of resistance training (RT) performed with different frequencies followed by a detraining period on muscular strength and oxidative stress (OS) biomarkers in older women. Twenty-seven physically independent women (68.8 ± 4.8 years, 69.1 ± 14.3 kg, 156.0 ± 6.5 cm, and 28.3 ± 4.9 to kg.m(-2)) were randomly assigned to perform a RT program for 2 or 3 days per week (G2X = 13 vs. G3X = 14) for 12 weeks followed by 12 weeks of detraining period. One repetition maximum (1RM) tests were used as measures of muscular strength (three exercises, three attempts for each exercise, 3-5 min of rest between attempts, and 5 min of rest between exercises). Advanced oxidized protein products (AOPP) and total radical-trapping antioxidant parameter (TRAP) were used as oxidative stress indicators. Both groups increased muscular strength after 12 weeks of training (P < 0.05) in chest press (G2X = +11.9 % vs. G3X = +27.5 %, P < 0.05), knee extension (G2X = +18.4 % vs. G3X = +16.7 %, P > 0.05), and preacher curl (G2X = +37.6 % vs. G3X = +36.7 %, P > 0.05). On the other hand, 12 weeks of detraining were not sufficient to eliminate the major effects produced by RT on muscular strength, although a significant decrease (P < 0.05) has been observed for chest press (G3X = -9.1 % vs. G2X = -10.2 %, P > 0.05), knee extension (G2X = -14.9 % vs. G3X = -12.1 %, P > 0.05), and preacher curl (G2X = -20.5 % vs. G3X = -17.4 %, P > 0.05). Pre- to post-training, both groups showed significant (P < 0.05) increases in TRAP (G2X = +6.9 % vs. G3X = +15.1 %) with no statistical significant difference between the groups (P > 0.05), and the scores remained elevated compared to pre-training after 12 weeks of detraining. AOPP was not changed by RT or detraining (P > 0.05). The results suggest that a 12-week RT program with a frequency of 2 days per week may be sufficient to improve muscular strength and OS in older women and detraining for 12 weeks does not completely reverse the changes induced by RT.
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Affiliation(s)
- Camila S Padilha
- Metabolism, Nutrition, and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, PR, Brazil.
- , 908, Xavier da Silva, Ibiporã, PR, Brazil, 86200-000.
| | - Alex S Ribeiro
- Metabolism, Nutrition, and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, PR, Brazil
| | - Steven J Fleck
- Department of Kinesiology, University of Wisconsin-Eau Claire, Eau Claire, WI, USA
| | - Matheus A Nascimento
- Metabolism, Nutrition, and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, PR, Brazil
- Paraná State University, UNESPAR, Paranavaí Campus, Paranavaí, PR, Brazil
| | - Fabio L C Pina
- Metabolism, Nutrition, and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, PR, Brazil
| | - Alessandra Miyuki Okino
- Department of Pathology, Clinical and Toxicological Analysis. Center of Health Sciences, University Hospital, Londrina State University, Londrina, Brazil
| | - Danielle Venturini
- Department of Pathology, Clinical and Toxicological Analysis. Center of Health Sciences, University Hospital, Londrina State University, Londrina, Brazil
| | - Décio S Barbosa
- Department of Pathology, Clinical and Toxicological Analysis. Center of Health Sciences, University Hospital, Londrina State University, Londrina, Brazil
| | - Jerry L Mayhew
- Exercise Science Department, Truman State University, Kirksville, MO, USA
| | - Edilson S Cyrino
- Metabolism, Nutrition, and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, PR, Brazil
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Physiological, psychometric, and performance effects of the Christmas break in Australian football. Int J Sports Physiol Perform 2014; 10:120-3. [PMID: 24806508 DOI: 10.1123/ijspp.2014-0082] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
PURPOSE The aim of the current study was to quantify the physiological, psychometric, and performance effects of a 2-wk Christmas break in a professional Australian Football League club. METHODS A series of physiological (eg, heart-rate [HR] response to a 5-min submaximal run and skinfold thicknesses), psychometric (rating-of-perceived-exertion [RPE] responses and wellness variables), and performance (running activity during standardized handball games, isometric midthigh pull [IMTP] peak force, and countermovement jump [CMJ]) measures were conducted in the weeks before and after the break. RESULTS There was a possible and small increase in the sum of 7 skinfolds, while body mass and fat-free mass remained possible and likely unchanged, respectively. Sleep and stress scores remained likely to almost certainly unchanged, but there were some small, possible to likely decreases in fatigue and soreness scores. HR and RPE responses to the 5-min submaximal run were likely slightly lower (ie, improved) after the break. High-intensity running and acceleration distance during a standard handball game were very likely slightly greater, while HR and RPE responses to the game were possibly to very likely unchanged. HR responses to a high-intensity training session remained very likely unchanged. There was also a likely small increase in IMTP peak force but likely to very likely no change in CMJ variables. CONCLUSIONS The results show that players returned from a 2-wk break during preseason well recovered, with preserved to improved levels of strength and cardiorespiratory fitness, despite small increases in skinfold thickness.
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Meylan CMP, Cronin JB, Oliver JL, Hopkins WG, Contreras B. The effect of maturation on adaptations to strength training and detraining in 11-15-year-olds. Scand J Med Sci Sports 2013; 24:e156-64. [DOI: 10.1111/sms.12128] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/20/2013] [Indexed: 11/27/2022]
Affiliation(s)
- C. M. P. Meylan
- Sport Performance Research Institute New Zealand; AUT University; Auckland New Zealand
- Canadian Sport Institute Pacific; Vancouver British Columbia Canada
- Canadian Soccer Association; Ottawa Ontario Canada
| | - J. B. Cronin
- Sport Performance Research Institute New Zealand; AUT University; Auckland New Zealand
- School of Exercise, Health and Biomedical Sciences; Edith Cowan University; Perth Western Australia Australia
| | - J. L. Oliver
- Cardiff School of Sport; Cardiff Metropolitan University; Cardiff UK
| | - W. G. Hopkins
- Sport Performance Research Institute New Zealand; AUT University; Auckland New Zealand
| | - B. Contreras
- Sport Performance Research Institute New Zealand; AUT University; Auckland New Zealand
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