Background Volleyball is a fun sport for children that is easy to learn and can be played in a gym, at the beach, or on grass. Playing volleyball help improve child heart work, flexibility, balance and coordination. Some schools have volleyball teams for boys and girls. Heart rates can improve sports exercise and volleyball can make children stronger and healthier.

Objective The purpose of this study was to examine accountability paediatrics systems operating in youth volleyball training sessions and to understand how those systems vary according to the instructional tasks and the nature of the information provided by paediatricians.

Design, setting and participants The ECG recording was performed for 5 min at rest in seated, supine or supine with elevated legs body position on different days in girl and boy school volleyball players. Measurements were undertaken in a quiet room, air temperature ranging from 21 to 22°C, after and before volleyball games. The data was analyzed for 40 female and 40 male volleyball players ranging in age from 12 to 16 years, and other equal players and athletes in other sports of the same age and gender.

Methods Systematic medical observation strategies were used to describe and analyse paediatric tasks for heart rates presentation and task volleyball players in schools during paediatrics examinations. Statistical analyses were performed using the Sigmastat Programme 3.0 for windows package during period 2005–2009 in school players teams in Bosnia and Herzegovina.

Main outcome measurement Young female volleyball players are more vulnerable to sport injuries but similiar heart rates stabilizing works after volleyball games comparing than their boys counterparts.

Results Heart rates after volleyball games and exercise were lower and better than other sports groups in both volleyball groups for girls and boys, too, without difference.

Conclusions Further research needs to address issues of paediatricians' knowledge and conceptions related to volleyball instruction for heart works improvement. No differences were noted between heart rates after exercise in boys and girls volleyball school players, but better heart rates were observed in older age volleyball players when compared to other athletes such as tennis players and soccer or basketball players.