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Background and Study Aim. The aim of this research is to investigate the impact of maximal power training with and without plyometrics on speed endurance and upper body power of team handball players. Material and Methods. Sixty college level men team handball players were randomly selected from Coimbatore district as subjects. Their age ranged between 18 and 25 years. The selected subjects were divided into three equal groups consisting of twenty each. No attempt was made to equate the groups. Experimental group I (n = 20) underwent maximal power training with plyometrics (MPTWP), Experimental group II (n = 20) underwent maximal power training without plyometrics (MPTWOP) for a period of 12 weeks and group III (n = 20) acted as control group (CG), the subjects in control group were not engaged in any training programme other than their regular work. Data obtained were evaluated in SPSS package. Results. The F value revealed that the speed endurance and upper body power were significantly improved due to the influence of maximal power training with plyometrics. Conclusions. As a result, 12 weeks of maximal power training with plyometrics can be said to increase the speed endurance and upper body power of team handball players.

Background and study aim. Isometric strength exercises engage the intricate knee joint, including the femur, tibia, and patella, along with multiple muscles and ligaments, aiding in the rehabilitation of knee injuries while supporting movement and injury prevention. The specific objective of this research is to investigate the effectiveness of isometric strength exercises in rehabilitating the knee injuries among football players, assessing their impact on recovery and performance. Material and methods. Thirty male ACL Knee injured football players were randomly assigned to isometric strength exercise group (ISEG) (N=15) (Age; 20±1.9, Height;171±4.5, Weight; 60±6.0) and control group (Age;21±1.3, Height;173±4.4, Weight; 63±8.2) and their age ranged between 18 and 23. Subjects were randomly selected from various football academies in Coimbatore, Tamil Nadu, India. Thirty subjects who will diagnosed by a physiotherapist and help of orthopaedician as having knee injuries in football players and who showed a typical restriction of Range of motion (ROM). Fifteen subjects underwent rehabilitation (Isometric Strength exercise Group) and the other 15 underwent cryotreatment (Control Group). Analysis was based on the active and passive flexion Range of motion (ROM) were measured by kinovea-0.9.5 software. Means and standard deviations (±) described all data, with Shapiro-Wilk tests checking for normality (p<0.05). A dependent 't' test determined significant mean differences between experimental and control groups (p<0.05). Results. The participants who underwent a regimen of Isometric strengthening exercises exhibited notable enhancements in their range of motion (ROM), highlighting the effectiveness of this comprehensive approach significantly improved in active and passive flexion Range of motion (p < 0.05). Conclusion. Isometric strength exercises demonstrate promise in enhancing knee rehabilitation outcomes among football players, warranting further exploration and implementation compared to control group. [ABSTRACT FROM AUTHOR]