This randomized controlled trial aims to compare the effectiveness of reactive balance training versus conventional balance training on dynamic stability and change of direction performance. Participants will be randomly allocated into two groups. Each group will receive its respective intervention over a 6-week period. Outcome measures, including dynamic stability assessed by the Y-Balance Test and change-of-direction performance measured using the 505 Agility Test, will be evaluated at baseline and after the intervention. The study is designed to determine which training approach is more effective in improving balance and functional performance.
Male and female competitive tennis players aged 18-25 years.
Minimum 2 years of regular tennis training experience.
Currently training at least 3 sessions per week (minimum 60 minutes per session).
Recent injury (last 3 months)
Neurological, balance or vestibular disorders
Previous surgery
Participation in any structured balance, neuromuscular, plyometric, or agility training program outside regular tennis practice during the study period.
Parallel
Experimental group : Reactive Balance Training
Other interventionParticipants will receive a structured reactive balance training program based on unpredictable perturbation-based exercises requiring rapid postural correction. The intervention will be conducted for 6 weeks (3 sessions/week) and will follow a progressive protocol.
Active comparator ( Conventional Balance Training)
Other interventionParticipants will receive a structured conventional balance training program based on static and controlled exercises without external perturbation, conducted for 6 weeks (3 sessions/week).
Dynamic Stability
Dynamic stability will be assessed using the Y-Balance Test (Lower Quarter), which measures reach distance in anterior, posteromedial, and posterolateral directions. The composite score (normalized to limb length) will be used to evaluate postural control and balance performance.
Change of Direction Performance
Change-of-direction ability will be assessed using the 505 Agility Test, which measures the time (in seconds) required to accelerate, change direction (180° turn), and return over a set distance. Lower time indicates better performance.
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