Effect of Plyometric Training on Jumping, Sprinting and Change of Direction Speed in Child Female Athletes
Abstract
:1. Introduction
2. Materials and Methods
2.1. Participants
2.2. Study Design
2.3. Methodology
2.3.1. Jumping Performance
2.3.2. Sprint and COD Tests
2.3.3. Plyometric Training
2.4. Statistical Analyses
3. Results
3.1. Anthropometric Measurement
3.2. Performance Variables
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Variables | PG (n = 33) | CG (n = 17) | p |
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Age (year) | 8.1 ± 0.7 | 7.9 ± 0.8 | 0.333 |
Training experience (year) | 2.5 ± 0.6 | 2.3 ± 0.5 | 0.140 |
Height (cm) | 129.3 ± 6.1 | 129.8 ± 7.6 | 0.829 |
Body mass (kg) | 28.7 ± 5.8 | 27.5 ± 6.0 | 0.475 |
BMI (kg/m2) | 17.1± 2.5 | 16.3 ± 2.0 | 0.194 |
Leg length (cm) | 60.1 ± 4.1 | 61.2 ± 4.7 | 0.420 |
Weeks: 1 to 4 (Total: 180 Jumps Per Session) | Weeks: 5 to 8 (Total: 190 Jumps Per Session) |
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Variables | Pre-Training | Post- Training | Cohen’s d (Pre vs. Post-Training) | Change from Pre- to Post-Training (90% CI) | Cohen’s d and Quantitative Inference PG vs. CG (PG, Trivial, CG) | p Value Group × Time Interaction | |
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CMJ (cm) | PG | 18.1 ± 3.2 | 20.1 ± 2.9 | 0.67 | 2.0 (1.2 to 2.8) | 0.48 | 0.166 |
CG | 17.0 ± 4.5 | 17.8 ± 4.6 | 0.18 | 0.8 (−0.4 to 2.0) | (69%, 30%, 1%) | ||
R + L CMJ (cm) | PG | 15.2 ± 4.2 | 18.1 ± 4.0 | 0.72 | 3.0 (1.7 to 4.3) | 0.34 | 0.277 |
CG | 14.3 ± 5.1 | 15.9 ± 4.7 | 0.34 | 1.6 (0.3 to 2.9) | (96%, 4%, 0%) | ||
DJ (20 cm) (cm) | PG | 15.3 ± 3.9 | 17.3 ± 3.3 | 0.56 | 2.0 (1.0 to 3.0) | 0.15 | 0.634 |
CG | 13.9 ± 4.3 | 16.4 ± 4.1 | 0.61 | 2.5 (1.1 to 3.9) | (44%, 45%, 11%) | ||
SJ (cm) | PG | 17.3 ± 3.4 | 19.0 ± 3.2 | 0.52 | 1.7 (1.0 to 2.4) | 0.18 | 0.547 |
CG | 16.3 ± 4.0 | 17.5 ± 3.5 | 0.33 | 1.2 (−0.2 to 2.6) | (76%, 22%, 2%) | ||
SLJ (cm) | PG | 112.5 ± 14.3 | 134.7 ± 14.5 | 1.57 | 22.2 (17.5 to 26.9) | 0.20 | 0.507 |
CG | 107.4 ± 17.9 | 126.6 ± 17.7 | 1.11 | 19.3 (14.9 to 23.7) | (25%, 52%, 23%) | ||
COD 5 + 5 m (s) | PG | 3.77 ± 0.36 | 3.54 ± 0.28 | 0.72 | −0.24 (‒0.33 to −0.15) | 0.39 | 0.203 |
CG | 3.81 ± 0.37 | 3.71 ± 0.28 | 0.31 | −0.11 (−0.27 to 0.05) | (59%, 32%, 9%) | ||
COD 10 + 10 m (s) | PG | 5.94 ± 0.42 | 5.71 ± 0.36 * | 0.60 | −0.22 (−0.32 to −0.12) | 1.00 | 0.008 |
CG | 6.02 ± 0.47 | 6.14 ± 0.48 | 0.26 | 0.11 (−0.01 to 0.23) | (98%, 2%, 0%) | ||
10 m sprint (s) | PG | 2.77 ± 0.26 | 2.51 ± 0.22 * | 1.10 | −0.26 (−0.33 to −0.19) | 0.40 | 0.018 |
CG | 2.74 ± 0.24 | 2.65 ± 0.25 | 0.38 | −0.10 (−0.04 to −0.16) | (86%, 13%, 1%) | ||
20 m sprint (s) | PG | 4.85 ± 0.54 | 4.36 ± 0.30 * | 1.14 | −0.50 (−0.64 to −0.36) | 0.81 | 0.011 |
CG | 4.78 ± 0.45 | 4.62 ± 0.37 | 0.40 | −0.16 (−0.27 to −0.05) | (97%, 3%, 0%) | ||
CT (ms) | PG | 306 ± 77 | 301 ± 84 | 0.05 | −4 (−38 to 29) | 0.14 | 0.642 |
CG | 282 ± 60 | 290 ± 73 | 0.12 | 8 (−22 to 38) | (90%, 9%, 1%) | ||
RSI (mm/ms) | PG | 0.57 ± 0.22 | 0.65 ± 0.22 | 0.37 | 0.08 (0.02 to 0.14) | 0.00 | 0.998 |
CG | 0.55 ± 0.21 | 0.63 ± 0.24 | 0.37 | 0.08 (−0.04 to 0.20) | (85%, 14%, 1%) |
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Bogdanis, G.C.; Donti, O.; Papia, A.; Donti, A.; Apostolidis, N.; Sands, W.A. Effect of Plyometric Training on Jumping, Sprinting and Change of Direction Speed in Child Female Athletes. Sports 2019, 7, 116. https://doi.org/10.3390/sports7050116
Bogdanis GC, Donti O, Papia A, Donti A, Apostolidis N, Sands WA. Effect of Plyometric Training on Jumping, Sprinting and Change of Direction Speed in Child Female Athletes. Sports. 2019; 7(5):116. https://doi.org/10.3390/sports7050116
Chicago/Turabian StyleBogdanis, Gregory C., Olyvia Donti, Athanasia Papia, Anastasia Donti, Nikolaos Apostolidis, and William A. Sands. 2019. "Effect of Plyometric Training on Jumping, Sprinting and Change of Direction Speed in Child Female Athletes" Sports 7, no. 5: 116. https://doi.org/10.3390/sports7050116