Author: Brenda Merks

Hamstring injuries are one of the most occurring muscle injuries in team sports. In football, 37% of all muscle injuries are hamstring injuries. A hamstring injury is characterized by a relatively long recovery period (4-8 weeks) and a high recurrence rate of up to 33%....

In team-sports, like football and field hockey, the type of workload that each player has to perform is largely dependent on their playing position. These differences in playing positions influence the capacities that each player needs to have to fulfill these match demands. Based on...

In most of our blogs, we have discussed how GPS data can help you preparing your players for the match by optimizing training sessions. However, GPS data does not only help you adjust your training sessions, it can also be used to help you optimizing...

As we have discussed in the blog of last week, it is important to quantify the load of different kind of actions to get a comprehensive picture of the load on the players. Some of the actions that you want to monitor are the high-speed...

Football and field hockey are intermittent sports: high-speed actions and short explosive actions are followed by periods of (relative) rest. When monitoring a team, it is important that you get an overview of all these different kind of actions. However, if you want to get...

In previous blogs we have provided benchmarks for different playing levels, and different playing positions. But what are you going to do when your team does not reach the benchmark for your playing level? Does this mean that your team is not fit enough? Or...

Let’s imagine that you are analyzing the match performance of your team. You notice that your team is always pushed back in the last minutes of both halves. When analyzing the match report, you see the same trend: the workload declines across both halves and...

In previous blogs we have discussed the value of GPS-monitoring for team performance optimization. However, when you first start monitoring your team with GPS, the results of the different load variables might be hard to interpret. Your players might, for example, cover 500 sprint meters...

We are proud and honored to announce that Royal Orée Hockey has started using the JOHAN Sports GPS system as well as the Wellness App for their Men’s team. This makes them the first top tier Belgium hockey club to start using the JOHAN Sports...

Heart rate monitoring is one of the most popular methods of monitoring the internal load of team sport players. One of the reasons for this, is that it is a very intuitive method: we all know that when we exercise, our heart rate is going...