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Vigh-Larsen JF, Junge N, Cialdella-Kam L, Tomás R, Young L, Krustrup P, Mohr M, Nybo L. Testing in Intermittent Sports-Importance for Training and Performance Optimization in Adult Athletes. Med Sci Sports Exerc 2024; 56:1505-1537. [PMID: 39004796 DOI: 10.1249/mss.0000000000003442] [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: 07/16/2024]
Abstract
ABSTRACT Performance in intermittent sports relies on the interplay between multiple physiological systems determining the capacity to perform short explosive efforts as well as repeated intense actions with limited recovery over the course of an entire game. Testing should reflect these demands to allow for sport- and position-specific capacity analyses that eventually may translate into optimized training and improved performance. This may include individual load management and optimized training prescription, intensity targeting for specific positions or individual athletes, as well as benchmarking for monitoring of training progression and enhanced engagement of athletes. This review provides an overview of available tests in different exercise domains identified as relevant (from assessment of single explosive actions to intermittent endurance capacity), forming the basis for recommendations on how to compose a comprehensive yet feasible test battery that may be integrated into the seasonal competition and training plan. The test procedures should cover the performance spectrum of relevance for the individual athlete-also in team sports to account for positional differences. We emphasize the benefits of sport-specific tests, highlight parameters of importance for test standardization, and discuss how the applied test battery may be supplemented with secondary tests directed toward specific energy systems to allow for more in-depth analyses when required (e.g., in terms of an underperforming athlete). The synergy between testing and tracking of match performance (utilizing time-motion or global positioning systems) is highlighted, and although tracking cannot substitute for testing, combining the tools may provide a comprehensive overview of the physiological demands and performance during competition contextualized to the athletes' maximal exercise capacity.
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Affiliation(s)
| | - Nicklas Junge
- Department of Nutrition, Exercise and Sport Sciences, University of Copenhagen, Copenhagen, DENMARK
| | - Lynn Cialdella-Kam
- Warfighter Performance Department, Naval Health Research Center, San Diego, CA
| | - Rita Tomás
- Portugal Football School, Federação Portuguesa de Futebol Avenida das Seleções, Oeiras, PORTUGAL
| | - Laura Young
- American College of Sports Medicine, Indianapolis, IN
| | | | | | - Lars Nybo
- Department of Nutrition, Exercise and Sport Sciences, University of Copenhagen, Copenhagen, DENMARK
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2
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Oliveira SF, Oliveira JI, Winckler C, Lourenço TF, Haiachi MC, Felder H. Physiological and metabolic responses of Parabadminton athletes to field simulated effort. J Sports Med Phys Fitness 2024; 64:775-783. [PMID: 38602035 DOI: 10.23736/s0022-4707.24.15745-3] [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: 04/12/2024]
Abstract
BACKGROUND Due to the increase in the number of Parabadminton (PBd) athletes and the lack of scientific knowledge of the sport, it is important to evaluate performance variables in different game stimuli. Thus, this study sought to examine the physiological and metabolic responses in a simulated effort protocol in PBd athletes. METHODS Forty-seven volunteers (WH1=7; WH2=9; SL3=8; SL4=9; SU5=6; SH6=8) performed a simulated effort protocol, consisting of 2 blocks of activities (1st change of direction + 1st simulated effort; 2nd change of direction + 2nd simulated effort). Peak and average oxygen consumption (VO2peak and VO2avg), peak, percentage, and average heart rate (HRmax, %HRmax, and HRavg), percentage of carbohydrates and lipids contributions (%CARB and %FAT), and average and total energy expenditure (EEavg and EEtotal) were evaluated. The data was compared between protocol stages, functional classes (FCs), and court size. It was adopted P<0.05. RESULTS Differences were found between the stages of the protocol in VO2peak (P=0.0008), VO2avg (P=0.0004); HRmax (P<0.0001); %HRmax (P=0.0001), HRavg (P=0.0001), %CARB (P=0.0001), %FAT (P=0.0001), EEavg (P=0.0002), and EEtotal (P=0.008). Among FCs, SL4 athletes were superior to WH1 athletes for VO2peak (P=0.075), VO2avg (P=0.022), EEavg (P=0.011), and EEtotal (P=0.022). Athletes who completed protocol in the full court were greater than half court for VO2peak (P<0.001), VO2avg (P<0.001), %HRmax (P=0.032), HRavg (P=0.018), %CARB (P=0.022), %FAT (P=0.022), and EEavg (P=0.016). CONCLUSIONS PBd athletes belonging to higher FCs (4, 5, and 6) and who cover greater distances on the court exhibit physiological and metabolic responses under greater influence of the type of disability.
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Affiliation(s)
- Saulo F Oliveira
- Movement, Sport and Rehabilitation Study Group, Department of Physical Education and Sports Sciences, Federal University of Pernambuco, Recife, Brazil
| | - José I Oliveira
- School of Physical Education, Applied Kinesiology Laboratory, Universidade Estadual de Campinas, Campinas, Brazil -
| | - Ciro Winckler
- Department of Human Movement Science, Federal University of Sao Paulo, Santos, Brazil
| | - Thiago F Lourenço
- Sports Science Department at the Brazilian Paralympic Committee, São Paulo, Brazil
| | - Marcelo C Haiachi
- Department of Physical Education, Federal University of Sergipe, Aracajú, Brazil
| | - Hanno Felder
- Olympic Training Center Rhineland Palatinate/Saarland, Hermann Neuberger Sportschule, Saarbrücken, Germany
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He Z, Liu G, Zhang B, Ye B, Zhu H. Impact of specialized fatigue and backhand smash on the ankle biomechanics of female badminton players. Sci Rep 2024; 14:10282. [PMID: 38704481 PMCID: PMC11069527 DOI: 10.1038/s41598-024-61141-z] [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: 12/29/2023] [Accepted: 05/02/2024] [Indexed: 05/06/2024] Open
Abstract
During fatigued conditions, badminton players may experience adverse effects on their ankle joints during smash landings. In addition, the risk of ankle injury may vary with different landing strategies. This study aimed to investigate the influence of sport-specific fatigue factors and two backhand smash actions on ankle biomechanical indices. Thirteen female badminton players (age: 21.2 ± 1.9 years; height: 167.1 ± 4.1 cm; weight: 57.3 ± 5.1 kg; BMI: 20.54 ± 1.57 kg/m2) participated in this study. An 8-camera Vicon motion capture system and three Kistler force platforms were used to collect kinematic and kinetic data before and after fatigue for backhand rear-court jump smash (BRJS) and backhand lateral jump smash (BLJS). A 2 × 2 repeated measures analysis of variance was employed to analyze the effects of these smash landing actions and fatigue factors on ankle biomechanical parameters. Fatigue significantly affected the ankle-joint plantarflexion and inversion angles at the initial contact (IC) phase (p < 0.05), with both angles increasing substantially post-fatigue. From a kinetic perspective, fatigue considerably influenced the peak plantarflexion and peak inversion moments at the ankle joint, which resulted in a decrease the former and an increase in the latter after fatigue. The two smash landing actions demonstrated different landing strategies, and significant main effects were observed on the ankle plantarflexion angle, inversion angle, peak dorsiflexion/plantarflexion moment, peak inversion/eversion moment, and peak internal rotation moment (p < 0.05). The BLJS landing had a much greater landing inversion angle, peak inversion moment, and peak internal rotation moment compared with BRJS landing. The interaction effects of fatigue and smash actions significantly affected the muscle force of the peroneus longus (PL), with a more pronounced decrease in the force of the PL muscle post-fatigue in the BLJS action(post-hoc < 0.05). This study demonstrated that fatigue and smash actions, specifically BRJS and BLJS, significantly affect ankle biomechanical parameters. After fatigue, both actions showed a notable increase in IC plantarflexion and inversion angles and peak inversion moments, which may elevate the risk of lateral ankle sprains. Compared with BRJS, BLJS poses a higher risk of lateral ankle sprains after fatigue.
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Affiliation(s)
- Zhanyang He
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, China
| | - Gongju Liu
- Scientific Research Center and Laboratory of Aquatic Sports Science of General Administration of Sports China, Zhejiang College of Sports, Hangzhou, China
| | - Bin Zhang
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, China
- School of Competitive Sports, Beijing Sport University, Beijing, China
| | - Binyong Ye
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, China
| | - Houwei Zhu
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, China.
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4
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Ando R, Hoshikawa Y, Iizuka T, Suita M, Kameda M, Nakashima H, Ozaki H. Difference in badminton-specific endurance evaluated by a newly developed on-court test between competitive levels: A pilot study of female players. Physiol Rep 2024; 12:e16058. [PMID: 38769072 PMCID: PMC11106040 DOI: 10.14814/phy2.16058] [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: 02/21/2024] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 05/22/2024] Open
Abstract
We developed a test to evaluate badminton-specific endurance. The study included 10 female badminton players. Five participants were ranked in Japan's top 100 national rankings (ranked), whereas the others were unranked (unranked). Participants reacted quickly with badminton-specific steps from the base center to the four sensors at each corner of a singles badminton court. On each set, they reacted eight times to randomized instructions at stage-specific intervals (1.2, 1.0, and 0.8 s for stages 1, 2, and 3, respectively), which were performed six times with a rest of 20 s in each stage (8 movements × 6 sets × 3 stages). On a different day, participants ran on a treadmill as a comparative test. Blood lactate concentration (BLa) was measured on each test. In the badminton-specific test, ranked participants had lower BLa (4.2 ± 1.7 mM vs. 6.3 ± 3.1 mM), with medium or large effect sizes. The average reach time to sensors was shorter in ranked participants (1.56 ± 0.03 s vs. 1.62 ± 0.07 s), with medium or large effect sizes. BLa was similar between groups, with trivial or small effect sizes in the running test. These results suggest that the newly developed test can evaluate badminton-specific endurance.
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Affiliation(s)
- Ryosuke Ando
- Department of Sport Science and ResearchJapan Institute of Sports Sciences (JISS)TokyoJapan
| | - Yoshihiro Hoshikawa
- Department of Sports ScienceJapan Women's College of Physical EducationTokyoJapan
| | | | - Masashi Suita
- Faculty of Health and Sport SciencesUniversity of TsukubaTsukubaJapan
| | - Mai Kameda
- Department of Sport Science and ResearchJapan Institute of Sports Sciences (JISS)TokyoJapan
| | - Hirotaka Nakashima
- Department of Sport Science and ResearchJapan Institute of Sports Sciences (JISS)TokyoJapan
| | - Hiroki Ozaki
- Department of Sport Science and ResearchJapan Institute of Sports Sciences (JISS)TokyoJapan
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Kuo KP, Liao CC, Kao CC. Improving Special Ability Performance of Badminton Players through a Visual Reaction Training System. Healthcare (Basel) 2022; 10:healthcare10081454. [PMID: 36011111 PMCID: PMC9407790 DOI: 10.3390/healthcare10081454] [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: 06/30/2022] [Revised: 07/30/2022] [Accepted: 07/31/2022] [Indexed: 11/16/2022] Open
Abstract
This study investigates the effects of a visual reaction training system (VRTS) in improving the footwork of badminton players. The participants comprised 20 high school male badminton players (mean age, 17.83 ± 1.57 years; mean height, 171.4 ± 11.52 cm; mean weight, 58.76 ± 9.32 kg) who first underwent a badminton footwork agility training program and subsequently, a fixed or random six-point footwork test and an agility t-test. A one-way repeated-measures analysis of variance with Bonferroni correction was performed to identify differences in terms of response time, movement time, and total shift time. The results measured at midtest and posttest after the training intervention revealed significant improvements in reaction (p ≤ 0.01) and movement (p ≤ 0.05) time for the fixed six-point footwork test (p ≤ 0.01). The total time results for the fixed or random six-point footwork test and agility t-test at midtest and posttest after the training intervention revealed significant improvement (p ≤ 0.05). Badminton footwork agility training conducted through the VRTS enhances the ability and agility of badminton players. Therefore, researchers and coaches should evaluate the footwork of badminton players by precisely measuring and quantify their ability.
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Affiliation(s)
- Kuei-Pin Kuo
- Office of Physical Education, National Ping-Tung University of Science and Technology, 1 Shuefu Road, Neipu, Pingtung 91201, Taiwan;
| | - Chun-Chin Liao
- Office of Physical Education, Ming Chuan University, 5 De Ming Road, Gui Shan District, Taoyuan City 333, Taiwan
- Correspondence: (C.-C.L.); (C.-C.K.); Tel.: +886-3-3507-001 (C.-C.K.)
| | - Chun-Chieh Kao
- Office of Physical Education, Ming Chuan University, 5 De Ming Road, Gui Shan District, Taoyuan City 333, Taiwan
- Correspondence: (C.-C.L.); (C.-C.K.); Tel.: +886-3-3507-001 (C.-C.K.)
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Abstract
Agility is an important ability for tennis players. To be successful in the rallies, players must perform rapid, multidirectional movements in response to the ball and/or the position of the opponent. For a test to be representative in monitoring agility performance, it should capture a combination of the physical and cognitive agility performance. Considering that literature reports no reliable and valid sport-specific agility test for tennis, the aim of this article was to design and evaluate the measurement properties of a Tennis-specific Agility Test (TAT). To evaluate the TAT, test-retest reliability, concurrent validity, and feasibility were assessed. For reproducibility, a two-way mixed ANOVA was performed. Concurrent validity was assessed using Pearson correlations. A total of 69 tennis players participated in this study of whom 16 competed at the international (22 ± 3.7 years, playing level (Dynamic Rating System): .8 ± .3), 43 at the national (14 ± 1.4 years, playing level: 4.6 ± 1.4), and 10 at the regional level (15 ± 0.8 years, playing level: 4.9 ± 1.1). Test-retest reliability was found to be moderate with an Intra-Class Correlation coefficient (ICC) of .74 (p < .01) and a percentual minimal detectable change (%MDC) of 6.2%. Concurrent validity was found to be moderate by comparison with a recognised agility test, the Spider Drill, which measures only the physical component (.70; p < .01), and by comparison with tennis performance for both boys (r = .67; p < .01) and girls (r = .72; p < .01). The feasibility was high with short time for preparation (five to ten minutes) and time per participant (<5 minutes). In conclusion, the TAT shows promising results for assessing sport-specific agility performance in tennis making it likely to be used in the practical setting.
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Jansen MGT, Huijgen BCH, Faber IR, Elferink-Gemser MT. Measuring Agility in Tennis, Badminton, and Squash: A Systematic Review. Strength Cond J 2021. [DOI: 10.1519/ssc.0000000000000640] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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8
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The Applications of Landing Strategies in Badminton Footwork Training on a Backhand Side Lateral Jump Smash. J Hum Kinet 2020; 73:19-31. [PMID: 32774534 PMCID: PMC7386134 DOI: 10.2478/hukin-2020-0002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Previous research in badminton has associated unilateral landings following overhead strokes with the occurrence of knee injuries. Smashing involves tensing the abdomen muscles while swinging the racket rapidly and maintaining one’s balance while performing coordinated movements and steps; this process puts stress on the player’s lower limbs. However, few studies have compared the effects of different stroke training while performing various types of badminton strokes. This study investigated the influence of different stroke training on the smash action of badminton players. Three stroke training conditions were considered: shadow, target striking, and smashing. Sixteen male experienced badminton players were recruited for this study. One-way repeated-measures ANOVA with Bonferroni correction was used to identify the differences. At the initial contact with the ground, the knee flexion and knee valgus angles under the smash condition were significantly higher than target and shadow conditions. Under the smash condition, hip abduction was significantly higher than under the target and shadow conditions. Moreover, the hip abduction under the target condition was significantly higher than under the shadow condition. At the maximum knee flexion, the hip abduction under the smash and target conditions was significantly higher than under the shadow condition. Regarding the time from the moment of initial contact to the peak of vertical ground reaction force it was shorter under the smash condition than the target and shadow conditions. The vertical ground reaction force was higher under the smash condition than under the target and shadow conditions. The 50 ms impulse was higher under the smash condition than under the target and shadow conditions. The main findings of this study are that under the smash condition, the motion in the frontal plane increased, which produced higher loads on the joints in the lower limbs. Player performed the same footwork under the three conditions, but the landing strategies differed because of unique swing motions and techniques. The condition under which a player hits a shot to a target area can affect the landing. The results of this study suggest that target practice is more effective for improving the landing technique employed during actual shots than shadow practice.
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Herbaut A, Delannoy J. Fatigue increases ankle sprain risk in badminton players: A biomechanical study. J Sports Sci 2020; 38:1560-1565. [PMID: 32238017 DOI: 10.1080/02640414.2020.1748337] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Ankle sprains are the most common injury in regular badminton players and usually occur at the end of a match or training. The purpose of the present study was to examine the influence of fatigue produced by badminton practice on the lower limb biomechanics of badminton players. It was hypothesized that fatigue induces ankle kinematic and lower leg muscle activity changes which may increase the risk of ankle sprain. Ankle kinematics, ankle kinetics and muscles activities of 17 regular badminton players were recorded during lateral jumps before and after an intense badminton practice session. Post-fatigue, ankle inversion at foot strike and peak ankle inversion increased (+2.6°, p = 0.003 and +2.5°, p = 0.005, respectively). EMG pre-activation within 100 ms before foot landing significantly decreased after fatigue for soleus (-23.4%, p = 0.031), gastrocnemius lateralis (-12.2%, p = 0.035), gastrocnemius medialis (-23.3%, p = 0.047) and peroneus brevis (-17.4%, p = 0.036). These results demonstrate impaired biomechanics of badminton players when fatigue increases, which may cause a greater risk of experiencing an ankle sprain injury.
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The Acute Effect of Mental Fatigue on Badminton Performance in Elite Players. Int J Sports Physiol Perform 2020; 15:632-638. [PMID: 31968307 DOI: 10.1123/ijspp.2019-0361] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 08/01/2019] [Accepted: 08/01/2019] [Indexed: 11/18/2022]
Abstract
PURPOSE Several studies have examined the effect of MF on sport performance, but no studies have been conducted on badminton performance. The purpose of the present study was to examine the acute effect of mental fatigue (MF) on badminton performance in elite players. METHODS In total, 19 elite Danish badminton players completed 2 test days in randomized order, separated by 48 h. On day 1, to elicit MF, a 60-min incongruent Stroop task was performed. On day 2, 60 min of an emotionally neutral documentary was used for the control condition. After either condition, subjects performed a badminton-specific test (BST) where performance time was measured, as well as countermovement-jump height, heart rate, rating of perceived exertion, and lactate. Psychological questionnaires were answered under both conditions. RESULTS Subjects were significantly more mentally fatigued (P = .002) after the Stroop intervention than in the control. No differences between conditions were detected in the BST (control 32.43 [1.96] vs MF 32.43 [2.36] s; P = .99, Student t test). In addition, no effect of condition (P = .64), time (P = .14), or condition × time (P = .87) was found (2-way analysis of variance). Furthermore, no differences in heart rate, countermovement jump, or rating of perceived exertion were observed between conditions. Lactate showed no effect of condition (P = .46). CONCLUSION Despite being more mentally fatigued after the Stroop test than in the control condition, performance was not negatively affected during a BST. In addition, no differences in physiological measures were observed.
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Dong M, Lyu J, Hart T, Zhu Q. Should agility training for novice badminton players be physically or perceptually challenging? J Sports Med Phys Fitness 2019; 59:2015-2021. [PMID: 31311239 DOI: 10.23736/s0022-4707.19.09666-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Despite its well-known importance in sports, agility is ambiguously defined and lack of research. Shuttle Run (SR) challenges physical quickness and is commonly used to improve the on-court agility of badminton players. In contrast, Reactive Initiation Training (RIT) challenges perceptual quickness, merely demanding rapid initiation of step toward the direction of shuttlecock. METHODS The current study explores to compare SR with RIT to determine the relative effectiveness of these training on improving the on-court agility of badminton. 20 novice badminton players were split in half to receive either RIT or SR on court for five days. Before and after training, the on-court agility test with and without anticipation was administered. RESULTS The results showed that both training methods shortened the mean running time, however, only RIT additionally reduced the initiation time and its proportion on those time-consuming positions when agility was assessed without anticipation. CONCLUSIONS Therefore, the agility training for novice badminton players should be more perceptually than physically challenging to avoid vain effort and unnecessary injuries.
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Affiliation(s)
- Minkai Dong
- Department of Physical Education, Shanghai University of Finance and Economics, Shanghai, China
| | - Jidong Lyu
- Department of Physical Education, Shanghai University of Finance and Economics, Shanghai, China
| | - Thomas Hart
- Department of Kinesiology and Health, University of Wyoming, Laramie, WY, USA
| | - Qin Zhu
- Department of Kinesiology and Health, University of Wyoming, Laramie, WY, USA -
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Madsen CM, Badault B, Nybo L. Cross-Sectional and Longitudinal Examination of Exercise Capacity in Elite Youth Badminton Players. J Strength Cond Res 2018; 32:1754-1761. [PMID: 29543701 DOI: 10.1519/jsc.0000000000002573] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Madsen, CM, Badault, B, and Nybo, L. Cross-sectional and longitudinal examination of exercise capacity in elite youth badminton players. J Strength Cond Res 32(6): 1754-1761, 2018-Badminton-specific speed and endurance performance was evaluated in both cross-sectional and longitudinal studies of elite youth players and compared with the physiological capacities of world top-50 singles players. The cross-sectional study involved 10 males in the category U15 (<15 years), 10 U17, 9 U19, and 4 senior elite players. They performed 30-m sprint, countermovement jump, and badminton-specific speed (B-SPEED) and endurance (B-ENDURANCE) tests. The longitudinal data were collected for 10 U15 players with 1- and 2-year follow-up measures. Compared with seniors, B-SPEED performance was 20 ± 5% slower for U15 (p < 0.001), 7 ± 3% slower for U17 (p < 0.05), and nonsignificantly slower (3 ± 3%; p = 0.27) for U19. B-ENDURANCE performance was 45 ± 11% shorter for U15 (p < 0.001), 25 ± 7% shorter for U17 (p < 0.001), and 17 ± 10% shorter for U19 (p < 0.01). The longitudinal data for U15 revealed that B-SPEED performance improved from a 19 ± 5% (p < 0.001) deficit at baseline to 5 ± 5% (p = 0.23) at first-year, and 2 ± 3% (p = 0.43) at second-year follow-up. B-ENDURANCE performance improved from a 43 ± 11% deficit at baseline to 27 ± 10 and 17 ± 7% at 1- and 2-year follow-up (p < 0.001), respectively. Countermovement jump also improved with aging from 29 ± 5% deficit for U15 to 13 ± 6% deficit for U19 (p < 0.01). In conclusion, B-SPEED improves markedly with aging in youth elite players to achieve, by age 19, values matching world-class players. Endurance improved markedly, but with a significant deficit remaining in comparison with senior elite players.
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Affiliation(s)
- Christian Møller Madsen
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark.,Stenhus Test and Knowledge Center, Stenhus Gymnasium Holbaek, Denmark
| | - Benjamin Badault
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark
| | - Lars Nybo
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark
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van de Water T, Huijgen B, Faber I, Elferink-Gemser M. Assessing Cognitive Performance in Badminton Players: A Reproducibility and Validity Study. J Hum Kinet 2017; 55:149-159. [PMID: 28210347 PMCID: PMC5304283 DOI: 10.1515/hukin-2017-0014] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Fast reaction and good inhibitory control are associated with elite sports performance. To evaluate the reproducibility and validity of a newly developed Badminton Reaction Inhibition Test (BRIT), fifteen elite (25 ± 4 years) and nine non-elite (24 ± 4 years) Dutch male badminton players participated in the study. The BRIT measured four components: domain-general reaction time, badminton-specific reaction time, domain-general inhibitory control and badminton-specific inhibitory control. Five participants were retested within three weeks on the badminton-specific components. Reproducibility was acceptable for badminton-specific reaction time (ICC = 0.626, CV = 6%) and for badminton-specific inhibitory control (ICC = 0.317, CV = 13%). Good construct validity was shown for badminton-specific reaction time discriminating between elite and non-elite players (F = 6.650, p < 0.05). Elite players did not outscore non-elite players on domain-general reaction time nor on both components of inhibitory control (p > 0.05). Concurrent validity for domain-general reaction time was good, as it was associated with a national ranking for elite (p = 0.70, p < 0.01) and non-elite (p = 0.70, p < 0.05) players. No relationship was found between the national ranking and badminton-specific reaction time, nor both components of inhibitory control (p > 0.05). In conclusion, reproducibility and validity of inhibitory control assessment was not confirmed, however, the BRIT appears a reproducible and valid measure of reaction time in badminton players. Reaction time measured with the BRIT may provide input for training programs aiming to improve badminton players’ performance.
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Affiliation(s)
- Tanja van de Water
- Center for Human Movement Sciences, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Barbara Huijgen
- Center for Human Movement Sciences, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Irene Faber
- Faculty of Physical Activity and Health, Saxion University of Applied Sciences, Enschede, The Netherlands; Radboud University Medical Centre, Radboud Institute for Health Sciences, IQhealthcare, Nijmegen, The Netherlands; Sports Science and Medical Committee, International Table Tennis Federation, Lausanne, Switzerland
| | - Marije Elferink-Gemser
- Center for Human Movement Sciences, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
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Paterson S, McMaster DT, Cronin J. Assessing Change of Direction Ability in Badminton Athletes. Strength Cond J 2016. [DOI: 10.1519/ssc.0000000000000241] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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15
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Mei Q, Gu Y, Fu F, Fernandez J. A biomechanical investigation of right-forward lunging step among badminton players. J Sports Sci 2016; 35:457-462. [DOI: 10.1080/02640414.2016.1172723] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Abstract
Madsen, CM, Højlyng, M, and Nybo, L. Testing of badminton-specific endurance. J Strength Cond Res 30(9): 2582-2590, 2016-In the present study, a novel intermittent badminton endurance (B-ENDURANCE) test was developed and tested in elite (n = 17) and skilled (n = 9) badminton players and in age-matched physically active men (nonbadminton players; n = 8). In addition, B-ENDURANCE test-retest reproducibility was evaluated in 9 badminton players. The B-ENDURANCE test is an incremental test where each level consists of repeated sequences of badminton-specific actions toward the 4 corners of the court. The subject starts in the center of the court in front of a computer screen and within each sequence, he must, in a randomized order, complete 8 actions as dictated by the computer, providing the audiovisual input and verifying that the appropriate sensor is activated within the allocated time. Recovery time between each sequence is 10 seconds throughout the test, but the time to complete each sequence is gradually decreased until the subjects cannot follow the dictated tempo. The B-ENDURANCE test performance for elite players was better (p ≤ 0.05) compared with the skilled players and nonbadminton players. In addition, the B-ENDURANCE test performance correlated (r = 0.8 and p < 0.0001) with elite players' national single rankings. Test-retest coefficient of variation was 7.9% between the first 2 trials (i.e., without a familiarization trial) but reduced to 2.5% when comparing the second and third trials. In conclusion, the B-ENDURANCE test is relevant for the evaluation of badminton-specific endurance but at least 1 familiarization trial is recommended if the test is used for evaluation of longitudinal changes, e.g., tracking training effects.
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Affiliation(s)
- Christian M Madsen
- 1Department of Nutrition, Exercise, and Sports, University of Copenhagen; Stenhus Gymnasium & HF, Holbæk, Denmark; and 2Department of Sport: Test and Knowledge Center Stenhus Gymnasium and HF, Holbæk, Denmark
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