The study to examine the effect of plyometric training and combination of plyometric training and yoga on psychological and skill performance variables of inter collegiate volleyball players. To achieve the purpose of the study 45 Subjects from Coimbatore district. Their age ranged from 18 to 23 years.  The subjects were randomly assigned to three equal groups. Group- I (n=15) underwent plyometric training group (PTG) and Group – II (n=15) underwent plyometric training with yoga group (PTWYG) and Group - III (n=15) acted as control group (CG). The plyometric training and combination of plyometric training was given to the experimental group for the periods of 8 weeks. The control group was not given any sort of training except their routine work. The data collected from the subjects were statistically analyzed using ‘t’ test to find out whether significant mean difference existed at 0.05level of confidence. This study may help trainers to assess the applicability of plyometric training and combination of plyometric training to improve Anxiety and Serving Ability one of the most important factors determining the inter collegiate volleyball players. Further, the findings confirmed the plyometric training and combination of plyometric training is suitable protocol to bring out the desirable changes over psychological and skill performance variables of inter collegiate volleyball players.

Key words:  Plyometric training, Yoga, Anxiety,  Serving Ability and Volleyball.