The Effect of Volleyball-Specific Injury Prevention Program on Dynamic Balance and Postural Stability in Young Male Volleyball Players; Randomized Controlled Trial

THE EFFECT OF VOLLEYBALL-SPECIFIC INJURY PREVENTION PROGRAM ON DYNAMIC BALANCE AND POSTURAL STABILITY IN YOUNG MALE VOLLEYBALL PLAYERS: A RANDOMIZED CONTROLLED TRIAL

The purpose of this study is to examine the effects of a 12-week volleyball-specific warm-up program (VOLLEY12+) on neuromuscular performance in young male volleyball players. Neuromuscular performance is an important factor related to injury risk and athletic performance in youth sports.

Twenty-four male volleyball players aged 15 to 17 years were allocated into an intervention group or a control group. The intervention group performed the VOLLEY12+ warm-up program before each training session for 12 weeks, while the control group continued their usual coach-led warm-up routines. Neuromuscular performance was assessed before and after the intervention using balance and movement control tests, including the Balance Error Scoring System (BESS), the Landing Error Scoring System (LESS), and the Y Balance Test.

The results of this study will help determine whether a structured, sport-specific warm-up program can improve neuromuscular performance in adolescent volleyball players and support the use of injury prevention strategies in youth volleyball training.

Inclusion Criteria:

• Male volleyball players aged 15-17 years
• At least 3 years of volleyball training experience
• Regular volleyball training ≥3 days per week, ≥60 minutes per session
• No history of chronic or recurrent injury
• Voluntary participation with informed consent

Exclusion Criteria:

• Injury occurring during the study period
• Voluntary withdrawal from the study
• Inability to continue participation due to injury during the research process