Research article - (2022)21, 245 - 252
DOI: https://doi.org/10.52082/jssm.2022.245
Force-Time Curve Variable Outcomes Following a Simulated Tennis Match in Junior Players
Joshua Colomar1,2,3,, Francisco Corbi4, Ernest Baiget1
1National Institute of Physical Education of Catalonia (INEFC), University of Barcelona (UB), Barcelona, Spain
2Sport and Physical Activity Studies Centre (CEEAF), University of Vic - Central University of Catalonia, Vic, Spain
3Sport Performance Analysis Research Group (SPARG), University of Vic - Central University of Catalonia, Barcelona, Spain
4National Institute of Physical Education of Catalonia (INEFC), University of Lleida (UdL), Lleida, Spain

Joshua Colomar
✉ Avinguda de l’Estadi 14, 08038, Barcelona, Spain
Email: joshuacolomar@gmail.com
Received: 19-01-2022 -- Accepted: 26-04-2022
Published (online): 01-06-2022
ABSTRACT

This study examined the alterations induced by a simulated tennis competition on maximal isometric voluntary contraction (MVC), peak rate of force development (PRFD) and rate of force development (RFD) at different stages of contraction. Twenty junior tennis players performed an 80-minute simulated tennis match and two (pre and post) muscular performance tests. Variables tested included MVC, PRFD and RFD at 50, 100, 150 and 200 ms while performing a 90º shoulder internal rotation (IR90), 90º shoulder external rotation (ER90), shoulder horizontal adduction (ADD), shoulder horizontal abduction (ABD) and isometric mid-thigh pull (IMTP). Serve velocity (SV) was also registered. No significant changes were found regarding MVC, PRFD or SV. Non-significant moderate effect size (ES) towards a decrease in the IR90 RFD at 50 ms could be observed (16%; ES = 0.5) alongside an increase in the ADD and IMTP RFD at 150 ms (-15.8%, -8.2%; ES = -0.53, -0.54) and IMTP RFD at 200 ms (-13%; ES = -0.54). Results indicate that MVC, PRFD, RFD at different time intervals and SV are unaltered following an 80-minute simulated match, possibly due to insufficient alterations triggered on key factors affecting the tested variables.
Key words: Power, serve, fatigue, effects, strength

Key Points
  • Force-time curve variables remain generally unaltered following an 80-minute simulated tennis match in young competitors.
  • 80-minutes of simulated competition with moderate match load may be insufficient to negatively affect key factors of neuromuscular performance.
  • Performing matches of longer duration or with older and more experienced population may derive in greater loads and negatively affect force-time curve variables.








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Force-Time Curve Variable Outcomes Following a Simulated Tennis Match in Junior Players
Joshua Colomar, Francisco Corbi, Ernest Baiget
2022(21), 245 - 252.
DOI: https://doi.org/10.52082/jssm.2022.245