Differences in Backcourt Forehand Clear Stroke between Novice Players and Experienced Badminton Players: Based on Body Segment Acceleration Data

Bcakground: Backcourt forehand clear stroke is a fundamental technique in badminton, yet the biomechanical differences between novice and experienced players remain in-completely understood. This study aimed to compare the kinematic characteristics of body segment acceleration during the backcourt forehand clear stroke between these two groups. Methods: Forty-five participants (22 novice players with less than 2 years of experi-ence and 23 experienced players with over 5 years of competitive experience) were equipped with wireless accelerometers on key body segments (foot, calf, thigh, hip, shoulder, upper arm, forearm). Each participant performed 5 backcourt forehand clear strokes, and acceleration data were collected at 100 Hz. The mean values from the 5 repetitions of the forehand clear stroke were used for subsequent statistical analysis to ensure reliability and reduce variability. Results: The results revealed significant differences in movement patterns between the groups. Novices consistently exhibited greater ranges of motion (ROMs) across most body segments, particularly at the hip, thigh, calf, and shoulder, with differences along all axes (p < 0.05). Minimum and maximum accelera-tions were also greater in novices (p < 0.05). Conversely, experienced players demon-strated lower acceleration fluctuations and greater stability, particularly in the upper arm and forearm (p < 0.05). Conclusion: These findings suggest that experienced players achieve more efficient movement patterns through refined motor control and reduced exces-sive motion. This research provides valuable insights for coaching interventions and technique refinement in badminton training programs, particularly for developing players.