The Relationship of Training Load to Physical-Capacity Changes During International Tours in High-Performance Junior Tennis Players

2015 ◽  
Vol 10 (2) ◽  
pp. 253-260 ◽  
Author(s):  
Alistair P. Murphy ◽  
Rob Duffield ◽  
Aaron Kellett ◽  
Machar Reid
Keyword(s):  
Repeated Measures ◽  
High Performance ◽  
Physical Capacity ◽  
Size Analysis ◽  
Small Magnitude ◽  
Tennis Players ◽  
Capacity Change ◽  
Before And After ◽  
Junior Tennis ◽  
Physical Capacities

Purpose:Given the travel that punctuates junior tennis development, an understanding of the changes in fitness owing to touring and the association between training loads (TLs) and fitness on return is vital. The authors investigated physical-capacity changes from pretour to posttour, determining if those changes were related to the TL of athletes on tour.Methods:Thirty junior athletes completed fitness testing before and after 4-wk tours. Testing included double-leg countermovement jump (CMJ), dominant single-leg and nondominant single-leg CMJ, speed (5, 10, 20 m), modified 5-0-5 agility (left and right), 10 × 20-m repeated-sprint ability (RSA), and multistage fitness tests. Repeated-measures ANOVAs determined physical-capacity change, with effect-size analysis establishing the magnitude of change. To avoid regression toward the mean, a 1/3-split technique was implemented for comparative analysis (high to low TLs).Results:Moderate effects (d = 0.50–0.70) for reductions of up to 3.6% in 5-, 10-, and 20-m speeds were observed. However, all remaining changes were only of trivial to small magnitude (d < 0.40). Closer analysis of the interaction between TL and physical capacities (1/3-split) revealed that subjects who completed the greatest amount of total and tennis TL returned with a greater decline in speed and aerobic capacities (d > 0.80). Furthermore, it was observed that match load dictates on- and off-court TL, with an increase in matches won understandably stunting exposure to off-court TL.Conclusions:Specific training should be prescribed on tour to maintain speed characteristics over a 4-wk international tour. On-tour training schedules should be carefully monitored to maximize specific TL exposure after losses on tour.

scholarly journals A Comparison of the Perceptual and Technical Demands of Tennis Training, Simulated Match Play, and Competitive Tournaments

2016 ◽  
Vol 11 (1) ◽  
pp. 40-47 ◽  
Author(s):  
Alistair P. Murphy ◽  
Rob Duffield ◽  
Aaron Kellett ◽  
Machar Reid
Keyword(s):  
Repeated Measures ◽  
High Performance ◽  
Physical Exertion ◽  
Error Rates ◽  
Size Analysis ◽  
Match Play ◽  
Tennis Players ◽  
Junior Tennis ◽  
Mental Exertion ◽  
Simulated Match

Purpose:High-performance tennis environments aim to prepare athletes for competitive demands through simulated-match scenarios and drills. With a dearth of direct comparisons between training and tournament demands, the current investigation compared the perceptual and technical characteristics of training drills, simulated match play, and tournament matches.Methods:Data were collected from 18 high-performance junior tennis players (gender: 10 male, 8 female; age 16 ± 1.1 y) during 6 ± 2 drill-based training sessions, 5 ± 2 simulated match-play sessions, and 5 ± 3 tournament matches from each participant. Tournament matches were further distinguished by win or loss and against seeded or nonseeded opponents. Notational analysis of stroke and error rates, winners, and serves, along with rating of perceived physical exertion (RPE) and mental exertion was measured postsession.Results:Repeated-measures analyses of variance and effect-size analysis revealed that training sessions were significantly shorter in duration than tournament matches (P < .05, d = 1.18). RPEs during training and simulated matchplay sessions were lower than in tournaments (P > .05; d = 1.26, d = 1.05, respectively). Mental exertion in training was lower than in both simulated match play and tournaments (P > .05; d = 1.10, d = 0.86, respectively). Stroke rates during tournaments exceeded those observed in training (P < .05, d = 3.41) and simulated-match-play (P < .05, d = 1.22) sessions. Furthermore, the serve was used more during tournaments than simulated match play (P < .05, d = 4.28), while errors and winners were similar independent of setting (P > .05, d < 0.80).Conclusions:Training in the form of drills or simulated match play appeared to inadequately replicate tournament demands in this cohort of players. Coaches should be mindful of match demands to best prescribe sessions of relevant duration, as well as internal (RPE) and technical (stroke rate) load, to aid tournament preparation.

scholarly journals The Effect of Predeparture Training Loads on Posttour Physical Capacities in High-Performance Junior Tennis Players

2015 ◽  
Vol 10 (8) ◽  
pp. 986-993 ◽  
Author(s):  
Alistair P. Murphy ◽  
Rob Duffield ◽  
Aaron Kellett ◽  
Dani Gescheit ◽  
Machar Reid
Keyword(s):  
High Performance ◽  
Training Load ◽  
Countermovement Jump ◽  
Strength And Conditioning ◽  
Tennis Players ◽  
Repeated Sprint ◽  
Fitness Tests ◽  
Junior Tennis ◽  
Physical Capacities ◽  
Physical Preparation

Purpose:Difficulties in preserving physical capacities while on tennis tours necessitate targeted training prescription. This study analyzed training and match loads performed before and on tour for their relationship with posttour physical-capacity changes. A secondary aim was to determine whether the presence of a strength and conditioning (S&C) coach affected the type and volume of on-tour training load.Methods:The training and match loads of 30 high-performance junior tennis players were recorded over 8 wk: 4 wk before and 4 wk during an international tour. Fitness tests were conducted pretour and posttour, including double and single-leg (dominant and nondominant) countermovement jump, speed (5, 10, and 20 m), modified 5-0-5 agility, 10 × 20-m repeated-sprint ability, and multistage fitness tests. Tour training and match loads were categorized according to whether S&C support was present or absent.Results:Total and tennis training loads were significantly greater on tour than pretour (P ≤ .05, d > 0.8). Increases in on-tour, on-court training loads were moderately correlated with decrements in speed and aerobic power (r = .31-.52). Finally, S&C presence on tour significantly increased total, on-court, and off-court training load completed (P ≤ .05, d > 0.8).Conclusions:Training loads should be carefully prescribed to ensure that sufficient total and tennis loads are completed pretour. Specifically, speed and aerobic capacities may regress with increased training on tour. Finally, a practical observation was that on-tour S&C support resulted in increased S&C training load (around match loads), potentially countering the observed regression of physical capacities. Such a finding has the capacity to alter current physical-preparation structures in high-performance tennis environments with finite resources.

scholarly journals Effects of Intervention upon Precompetition State Anxiety in Elite Junior Tennis Players: The Relevance of the Matching Hypothesis

1995 ◽  
Vol 81 (1) ◽  
pp. 287-296 ◽  
Author(s):  
Peter Terry ◽  
Lisa Coakley ◽  
Costas Karageorghis
Keyword(s):  
State Anxiety ◽  
Repeated Measures ◽  
Intervention Strategy ◽  
Significant Group ◽  
Tennis Players ◽  
Self Confidence ◽  
Time Interaction ◽  
Before And After ◽  
Junior Tennis ◽  
Matching Hypothesis

The matching hypothesis proposes that interventions for anxiety should be matched to the modality in which anxiety is experienced. This study investigated the relevance of the matching hypothesis for anxiety interventions in tennis. Elite junior tennis players ( N=100; Age: M=13.9 yr., SD = 1.8 yr.) completed the Competitive State Anxiety Inventory-2 before and after one of four randomly assigned intervention strategies approximately one hour prior to competition at a National Junior Championship. A two-factor multivariate analysis of variance (group x time) with repeated measures on the time factor gave no significant main effect by group but indicated significant reductions in somatic anxiety and cognitive anxiety and a significant increase in self-confidence following intervention. A significant group by time interaction emerged for self-confidence. The results question the need to match intervention strategy to the mode of anxiety experienced.

scholarly journals PETTLEP imagery and tennis service performance: an applied investigation

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Nafih Cherappurath ◽  
Masilamani Elayaraja ◽  
Dilshith A. Kabeer ◽  
Amila Anjum ◽  
Paris Vogazianos ◽  
...  
Keyword(s):  
Age Groups ◽  
Training Session ◽  
Performance Outcomes ◽  
Service Performance ◽  
Control Group ◽  
Specific Training ◽  
Tennis Players ◽  
Imagery Training ◽  
Before And After ◽  
Junior Tennis

AbstractTennis is one of the most popular and widely played sports enjoyed by players of different age groups and genders as a profession as well as a mode of recreation. A novel method, PETTLEP imagery combines both conventional and non-conventional style of training of an athlete and improves one’s performance. This study aimed to analyze the tennis service performance of junior tennis players based on PETTLEP imagery training. Forty-four junior male tennis players (Mage=13.22 years, SD=0.42) were selected for the study. The investigator handed over the MIQ-R questionnaire to all the participants in which they scored 16 and above points as per previous research. The participants were equally divided (n=11) into three experimental groups (E1, E2, and E3) and a control group. The service performance outcomes of all the players were compared before and after a training session. The three experimental groups were assigned with service-specific training, service-specific training combined with PETTLEP imagery training, and PETTLEP imagery training alone, respectively, for three days per week for 12 weeks. They were tested on their service accuracy based on the International tennis number (ITN) manual on-court assessment test. The data were assessed for normality and analyzed using non-parametric methods to reveal main effects (each training method alone) as well as to calculate the combined effect of PETTLEP and service-specific training. Certain significant improvements in tennis service were observed with service-specific training alone. Though it marginally outperformed the PETTLEP imagery method, the most improved services were observed with both PETTLEP and service-specific training utilized together. This implies an additive effect when both methods are used together.

Training Mental Quickness in Beginning/Intermediate Tennis Players

1994 ◽  
Vol 8 (3) ◽  
pp. 305-318 ◽  
Author(s):  
Robert N. Singer ◽  
James H. Cauraugh ◽  
Dapeng Chen ◽  
Gregg M. Steinberg ◽  
Shane G. Frehlich ◽  
...  
Keyword(s):  
Repeated Measures ◽  
Reaction Times ◽  
Training Group ◽  
Test Session ◽  
Match Play ◽  
Tennis Players ◽  
The Third ◽  
Before And After ◽  
Improved Accuracy ◽  
Response Errors

The trainability of anticipatory skills for tennis was assessed. Subjects (N = 34) from a beginning/intermediate tennis class were randomly assigned to either a mental quickness or a physical quickness (control) training group. They were tested in three laboratory tennis simulation tasks and three on-court tasks (serves, ground strokes, and volleys) 1 week before and after the 3-week quickness training program. Quickness Training × Gender × Test Session (2 × 2 × 2) ANOVAs with repeated measures on the third factor were conducted. For the laboratory tasks, the mental quickness group made faster decisions in reaction to serves, exhibited faster anticipation times, and showed improved accuracy in predicting serve type and location. No improvements in accuracy were found for the physical quickness group. For filmed match-play situations, the mental quickness group improved reaction times with training and committed fewer response errors. Implications for the design of instructional methods used in dynamic and fast-paced sports are discussed.

scholarly journals Differences in Movement Speed Before and After a Split-Step Between Professional and Junior Tennis Players

2017 ◽  
Vol 55 (1) ◽  
pp. 117-125
Author(s):  
Aleš Filipčič ◽  
Bojan Leskošek ◽  
Goran Munivrana ◽  
Gabriela Ochiana ◽  
Tjaša Filipčič
Keyword(s):  
Movement Patterns ◽  
Tennis Player ◽  
Movement Speed ◽  
Tennis Players ◽  
Video Cameras ◽  
The Third ◽  
Before And After ◽  
Junior Tennis

Abstract This study investigated tennis players’ speed before, during and after the split-step, deceleration before and acceleration after the split-step in four different stroke groups in three age categories. Seven male professional, eleven male and ten female junior tennis players were recorded with video cameras at official tournaments. Using the SAGIT system, we gathered data on 8,545 split-steps. Tennis players performed a split-step in 82.9% of cases. A tennis player’s speed, deceleration and acceleration were measured 0.2 s before and after the split-step. Differences between categories and stroke groups for each of the five variables were analyzed with a two-way ANOVA. The differences between the groups of players were generally much higher in the speed before, during and after the split-step than in the deceleration before and acceleration after the split-step. Most of these differences were observed between the various stroke groups. These results suggest that players use three types of movement while performing a split-step. In the first type, which is typical of serving and returning, the speed before, during and after the split-step is lower (0.55 to 1.2 m/s). The second type of movement is characteristic of baseline strokes where tennis players achieve higher speed than in the first type (0.7 to 1.66 m/s). The third type occurs in strokes where a tennis player is moving or already at the net (0.78 to 1.9 m/s). Movement in tennis is an area that requires constant development in terms of designing and upgrading movement patterns, increasing speed and practice in specific game situations.

scholarly journals Validity and reliability of a novel monitoring sensor for the quantification of the hitting load in tennis

PLoS ONE ◽  
2021 ◽  
Vol 16 (7) ◽  
pp. e0255339
Author(s):  
Vedran Hadžić ◽  
Aleš Germič ◽  
Aleš Filipčič
Keyword(s):  
Intraclass Correlation ◽  
Video Camera ◽  
Measurement Unit ◽  
Validity And Reliability ◽  
Small Magnitude ◽  
Tennis Players ◽  
Video Footage ◽  
Digital Video Camera ◽  
Junior Tennis ◽  
Gyroscope Sensor

Wearable sensor systems are a emerging tools for the evaluation of the sport’s activity and can be used to quantify the external workload of the athlete. The main goal of this paper was to evaluate the validity and reliability of the “Armbeep inertial measurement unit” (IMU) sensor both in a closed tennis exercise and in open matchplay. Twentyfour junior tennis players performed a baseline drill and played matches, during which they wore a combined accelerometer and gyroscope sensor. Video footage was concomitantly recorded using a digital video camera. The agreement between the measurements was assessed with the intraclass correlation coefficient (ICC) and the standard error of measurement (SEM). A simple linear regression was used to predict the number of shots registered from the video and from the Armbeep IMU sensor’s data. The number of total forehand and backhand shots during the drill repetitions showed an excellent test and re-test reproducibility (ICC≥0.90). There was a significant relationship between the Armbeep IMU sensor’s number of contacts and the total number of shots (R2 = 0.938) which indicated the excellent reliability of the tested Armbeep IMU sensor for those parameters. Considering the accuracy of the total tennis shots and the small magnitude of error for wrist speed and acceleration, the Armbeep IMU sensor appears to be an appropriate on-court tool that can be used to monitor the hitting load during tennis practice and matches.

scholarly journals A Combined Sleep Hygiene and Mindfulness Intervention to Improve Sleep and Well-Being During High-Performance Youth Tennis Tournaments

2020 ◽  
pp. 1-9
Author(s):  
Jonathon R. Lever ◽  
Alistair P. Murphy ◽  
Rob Duffield ◽  
Hugh H.K. Fullagar
Keyword(s):  
High Performance ◽  
Well Being ◽  
Sleep Hygiene ◽  
Sleep Time ◽  
Performance Outcomes ◽  
Tennis Players ◽  
Time In Bed ◽  
Junior Tennis ◽  
Education Workshop ◽  
Sleep Parameters

Purpose: To investigate the effects of combined sleep hygiene recommendations and mindfulness on actigraphy-based sleep parameters, perceptual well-being, anxiety, and match outcomes during high-performance junior tennis tournaments. Methods: In a randomized crossover design, 17 high-performance junior tennis players completed the baseline, control, and intervention (INT) conditions across 3 separate weeks. The baseline consisted of unassisted, habitual sleep during a regular training week, and the control was unassisted sleep during a tournament week. The players attended a sleep education workshop and completed a nightly sleep hygiene protocol during a tournament week for the INT. Analysis was performed on the weekly means and on the night prior to the first match of the tournament (T-1). Results: Significant differences were observed for increased time in bed, total sleep time, and an earlier bedtime (P < .05) across the INT week. These parameters also significantly improved on T-1 of the INT. A moderate effect size (P > .05, d > 1.00) was evident for decreased worry on T-1 of the INT. Small effect sizes were also evident for improved mood, cognitive anxiety, and sleep rating across the INT week. The match performance outcomes remained unchanged (P > .05). Conclusions: Sleep hygiene INTs increase the sleep duration of high-performance junior tennis players in tournament settings, including the night prior to the tournament’s first match. The effects on perceptual well-being and anxiety are unclear, although small trends suggest improved mood, despite no effect on generic match performance outcomes.

Association of acute and chronic workloads with injury risk in high-performance junior tennis players

2020 ◽  
pp. 1-9 ◽  
Author(s):  
Victor Moreno-Pérez ◽  
Jaime Prieto ◽  
Juan Del Coso ◽  
José Ezequiel Lidó-Micó ◽  
Miguel Fragoso ◽  
...  
Keyword(s):  
High Performance ◽  
Injury Risk ◽  
Tennis Players ◽  
Junior Tennis

scholarly journals Effects of ultrasound-guided percutaneous neuromodulation on the activation of hip abductors in a professional tennis player: a single case study

2019 ◽  
Vol 02 (02) ◽  
pp. 081-081
Author(s):  
Lozano Ramos M. ◽  
Yáñez Álvarez AR ◽  
Rodríguez Rosal M. ◽  
Alcantarilla Pedrosa M.
Keyword(s):  
Muscle Activity ◽  
High Performance ◽  
Single Case ◽  
Treatment Protocol ◽  
Ultrasound Guided ◽  
Tennis Players ◽  
Q Angle ◽  
Before And After ◽  
Hip Abductor ◽  
Professional Tennis

Abstract Background Ultrasound-guided percutaneous neuromodulation (US-guided PNM) is defined as electric stimulation of a peripheral nerve at some point of its trajectory via a needle, with analgesic objectives and for the improvement of muscle function. Hip abductor muscles play an important role in the performance of tennis players, participating primarily in the transfer of forces in situations such as stopping and starting, changes in direction and even hitting the ball. Aims The aims of this study were to confirm the effects of US-guided PNM on the superior gluteal nerve on strength and muscle activity in hip abductors and the reduction of the Q angle of the knee during a single-legged squat in a high performance athlete. Material and Methods The subject was a high performance athlete aged 17, without traumatic injuries to the lower limb. The study was conducted in the installations of AY360° Salud y Deporte. The following variables were measured before and after the intervention: force (MVIC), muscle activity (RMS) using surface electromyography and the knee Q angle during a single-legged squat using Kinovea video analysis. A treatment protocol was performed under ultrasound guidance using a PES current with 6 Hz pulses and a pulse duration of 250 μs. In total, 5 applications of 15 seconds' duration were applied with the help of a pointer. Results Improvements were obtained for strength measurements, from a MVIC of 0.13 mV (50.72%) to 0.26 mV (100%), for muscle activity RMS improved from 13.26% to 23.96%, and degrees changed from 23.6° to 21°. Conclusions The US-guided PNM technique, according to the parameters studied, appears to be a useful tool for the improvement of the cited variables.

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