Optimizing the Explosive Force of the Elite Level Football-Tennis Players through Plyometric and Specific Exercises

Anamaria Gherghel, Dana Badau, Adela Badau, Liviu Moraru, Gabriel Marian Manolache, Bogdan Marian Oancea, Corina Tifrea, Virgil Tudor and Raluca Maria Costache
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Anamaria Gherghel: Faculty of Physical Education and Sports, National University of Physical Education and Sports, 060057 Bucharest, Romania
Dana Badau: Faculty of Sciences and Letters, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, 540142 Targu Mures, Romania
Adela Badau: Faculty of Sciences and Letters, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, 540142 Targu Mures, Romania
Liviu Moraru: Faculty of Medicine, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, 540142 Targu Mures, Romania
Gabriel Marian Manolache: Faculty of Physcial Education and Sports, “Dunarea de Jos” University, 800003 Galati, Romania
Bogdan Marian Oancea: Faculty of Physical Education and Mountain Sports, Transilvania University, 500068 Brasov, Romania
Corina Tifrea: Faculty of Physical Education and Sports, National University of Physical Education and Sports, 060057 Bucharest, Romania
Virgil Tudor: Faculty of Physical Education and Sports, National University of Physical Education and Sports, 060057 Bucharest, Romania
Raluca Maria Costache: Faculty of Physical Education and Sports, National University of Physical Education and Sports, 060057 Bucharest, Romania

IJERPH, 2021, vol. 18, issue 15, 1-13

Abstract: The aim of the research was to implement an athletic program to improve the explosive force in order to optimize physical fitness at the level of elite football-tennis players and evaluate the progress made through specific tests using the Opto Jump. The research included 10 elite European and world-class players, on whom an experimental program was applied in order to improve the explosive force of the limbs in conditions of speed, endurance, and dynamic balance. Study tests: five vertical jumps on the spot, on the left/right leg; five back and forth jumps on the left/right leg; five left/right side jumps on the left/right leg; vertical jumps on both legs 60 s; BFS vertical jumps. For each test, the following parameters specific to the explosive force were statistically analyzed: contact time (s); flight time (s); jump height (cm), jump power (w/kg); RSI—Reactive Strength Index, defined as Height (m/s). In the study, the average value of the parameters specific to the jumps performed in each test was taken into account. During the study, the tests were performed and processed on the Opto Jump device and software. In all tests of the experiment monitored through Opto Jump, significant progress was made in the final test compared to the initial one, which demonstrates the efficiency of the physical training program implemented for the development of explosive force, with an impact on the sports performance of elite players. The most relevant results obtained for the left leg regarding the improvement of the explosive force of the lower limbs materialized in the jump height parameter was in the test of five vertical jumps on one leg on the spot, and for the right leg in the tests of: five back and forth jumps and five left/right side jumps. The most significant advances in the study were in the tests, in descending order of their weight: 60 s vertical jumps on both legs; five back-and-forth jumps and five left/right side jumps, five vertical jumps on one leg standing, and BFS vertical jumps.

Keywords: football-tennis; explosive force; fitness-physical; physical performance; contact time; flight time; bounce height; bounce strength; Reactive Strength Index (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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