Abstract
Abstract
 Objective: to verify if three-weeks of training cessation affects 200 m front crawl performance and kinematics in 12 years old and under age-group swimmers controlling for anthropometric changes.
 Method: Sixteen age-group swimmers (11 girls and 5 boys, age: 10.2 ± 1.2 y) performed a 200 m front crawl test (T200) (time trial) PRE- and POST three-weeks (off-season), where performance, kinematics and anthropometrics variables were obtained.
 Results: Height increased ~1.0 cm (CI: 0.70 to 1.3 cm; p < 0.001; d = 0.07). Trivial changes were observed for performance (mean diff: 3.3 s CI: -6.7 to 13.9; p = 0.69; d = 0.08) and kinematical variables (p from 0.69 to 0.84; d < 0.001 for all). High intraclass correlations (ICC: 0.69 to 0.84; p < 0.001) were observed for all variables after three-weeks, indicating stability over time.
 Conclusion: Three-weeks off-season does not impair swimming T200 performance and kinematic variables in 12 years old and under age-group swimmers.
 Keywords: swimming, detraining, performance, kinematics, anthropometrics
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