Of the few studies examining negative consequences associated with workloads , increases in training load led to increases in injury rates , while longer training duration was associated with a greater incidence of illness .
Conclusion The combined capacity for adolescent males to grow , train and improve physical performance highlights and underscores an exciting responsiveness to training in the football environment .
However , the capacity to train has some established barriers for adolescents experiencing high workloads , which could also result in negative consequences .
Background The expectation that training enhances performance is well explored in professional sport .
However , the additional challenges of physical and cognitive maturation may require careful consideration when determining workloads to enhance performance in adolescents .
Objective The objective of this study was to determine the state of knowledge on the relationship between workloads , physical performance , injury and /or illness in adolescent male football players .
Soccer specific aerobic endurance training
Background : In professional soccer , a significant amount of training time is used to improve players ' aerobic capacity . However , it is not known whether soccer specific training fulfils the criterion of effective endurance training to improve maximal oxygen uptake , namely an exercise intensity of 90–95 % of maximal heart rate in periods of three to eight minutes . Objective : To determine whether ball dribbling and small group play are appropriate activities for interval training , and whether heart rate in soccer specific training is a valid measure of actual work intensity . Methods : Six well trained first division soccer players took part in the study . To test whether soccer specific training was effective interval training , players ran in a specially design ed dribbling track , as well as participating in small group play ( five a side ) . Laboratory tests were carried out to establish the relation between heart rate and oxygen uptake while running on a treadmill . Corresponding measurements were made on the soccer field using a portable system for measuring oxygen uptake . Results : Exercise intensity during small group play was 91.3 % of maximal heart rate or 84.5 % of maximal oxygen uptake . Corresponding values using a dribbling track were 93.5 % and 91.7 % . No higher heart rate was observed during soccer training . Conclusions : Soccer specific exercise using ball dribbling or small group play may be performed as aerobic interval training . Heart rate monitoring during soccer specific exercise is a valid indicator of actual exercise intensity
Of the few studies examining negative consequences associated with workloads , increases in training load led to increases in injury rates , while longer training duration was associated with a greater incidence of illness .
Conclusion The combined capacity for adolescent males to grow , train and improve physical performance highlights and underscores an exciting responsiveness to training in the football environment .
However , the capacity to train has some established barriers for adolescents experiencing high workloads , which could also result in negative consequences .
Background The expectation that training enhances performance is well explored in professional sport .
However , the additional challenges of physical and cognitive maturation may require careful consideration when determining workloads to enhance performance in adolescents .
Objective The objective of this study was to determine the state of knowledge on the relationship between workloads , physical performance , injury and /or illness in adolescent male football players .