EFFECTS OF ECCENTRIC-ORIENTED TRAINING WITH INERTIAL RESISTANCE ON THE DEVELOPMENT OF SPORT-SPECIFIC PHYSICAL QUALITIES IN YOUTH TENNIS PLAYERS

Authors

  • Krasimir Stoykov Medical University of Plovdiv, Bulgaria
  • Georgi Dimenchev Medical University of Plovdiv, Bulgaria
  • Ivan Ivanov Medical University of Plovdiv, Bulgaria

Keywords:

tennis, eccentric training, inertial resistance, physical preparation, youth athletes, junior development

Abstract

The contemporary development of tennis is associated with a substantial increase in physical demands, including high movement velocities, frequent accelerations and decelerations, and repetitive stroke execution under time pressure. These characteristics place considerable stress on the neuromuscular and musculoskeletal systems of young athletes, particularly during periods of growth and long term athletic development. As a result, the optimization of physical preparation methods aimed at enhancing sport specific physical qualities has become a central concern in youth tennis training. In this context, eccentric oriented training with inertial resistance has emerged as a modern approach that differs fundamentally from traditional gravity dependent strength training methods. This training modality enables high levels of eccentric muscle loading through resistance generated by inertia, allowing for targeted development of force production, movement control, and deceleration capacity. Recent findings in exercise physiology and sports medicine suggest that eccentric oriented inertial resistance training induces specific neuromuscular and muscle tendon adaptations that are highly relevant to the physical demands of tennis. The purpose of the present study is to analyze the theoretical foundations and physiological mechanisms underlying eccentric oriented training with inertial resistance and to examine its potential contribution to the development of specific physical qualities in young tennis players. The study is based on a qualitative analysis of peer reviewed scientific literature in the fields of exercise physiology, sports medicine, and strength and conditioning, with particular emphasis on youth athletic populations. The analysis indicates that this form of training may positively influence strength, power, speed, and the ability to effectively decelerate and change direction key performance determinants in tennis. Furthermore, the physiological adaptations associated with eccentric oriented inertial resistance training suggest a potential role in enhancing tissue resilience and reducing injury risk when appropriately integrated into youth training programs. The findings support the inclusion of this training method as a complementary component of evidence based physical preparation in youth tennis

Author Biographies

Krasimir Stoykov, Medical University of Plovdiv, Bulgaria

Department of Languages and Specialized Training, Physical Education and Sport Section

Georgi Dimenchev, Medical University of Plovdiv, Bulgaria

Department of Languages and Specialized Training, Physical Education and Sport Section

Ivan Ivanov, Medical University of Plovdiv, Bulgaria

Department of Languages and Specialized Training, Physical Education and Sport Section

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Published

2026-02-13

How to Cite

Stoykov, K., Dimenchev, G., & Ivanov, I. (2026). EFFECTS OF ECCENTRIC-ORIENTED TRAINING WITH INERTIAL RESISTANCE ON THE DEVELOPMENT OF SPORT-SPECIFIC PHYSICAL QUALITIES IN YOUTH TENNIS PLAYERS. KNOWLEDGE - International Journal , 74(4), 553–557. Retrieved from https://ojs.ikm.mk/index.php/kij/article/view/8132

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