تأثير الدمج بين تدريبات البليومتري والأثقال في تطوير القوة الانفجارية وتحسين الأداء البدني في سباقي 100 متر و200 متر لباحث محمد سمير عمر سعيفان

Abstract This study aimed to investigate the effects of combining plyometric and resistance training on the development of explosive power and the enhancement of physical performance in the 100-m and 200-m sprint events. An experimental design employing equivalent experimental and control groups with pre- and post-test measurements was adopted. The study sample comprised 16 athletes from the Palestinian National Athletics Team (Southern Governorates), who were randomly assigned to two equal groups. The experimental group completed an eight-week integrated training program that combined plyometric and resistance exercises based on scientifically established principles of progressive overload and training integration, whereas the control group continued its conventional training program. Data were collected using standardized assessments of explosive power, maximal sprint speed, and muscular balance, in addition to official performance times in the 100-m and 200-m events. Statistical analysis revealed statistically significant improvements in all physical performance variables for the experimental group, accompanied by superior sprint performance compared with the control group. The findings indicate that integrating plyometric and resistance training promotes neuromuscular adaptations, enhances force-production capacity, and improves sprint-specific performance in short-distance runners. The study concludes that integrated plyometric–resistance training constitutes an effective conditioning strategy for optimizing performance in sprint events. Accordingly, coaches are encouraged to incorporate this training approach into sprint conditioning programs while considering athletes' individual characteristics and training status. Future research involving larger samples and athletes from different competitive levels is recommended to further validate and generalize these findings. Keywords: Plyometric Training; Resistance Training; Explosive Power; Physical Performance; Sprint Performance; Athletic Conditioning .

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