The System of Professional Supplementary Exercises Applied in Teaching Basic Overhand Volleyball Passing Technique for Volleyball-intensive Students in Danang University of Physical Education and Sports

Basic overhand volleyball passing technique greatly affects the competition performance of volleyball athletes. In order to teach and train this technique effectively, it's necessary for teachers and coaches to use a lot of professional supplementary exercises. Through a practical survey of the teaching of volleyball-intensive subject at the school, we have valuated the limitations in teaching – training basic overhand volleyball passing technique, in which the application of professional supplementary exercises is an important factor