What do we get from the accelerations number?
In this article, we will discuss the limits of acceleration events to describe the high-intensity phases in team sports and which gpexe metric can be used instead.
The exercise analyzed takes place over the entire length of the pitch and consists in a sequence of three accelerations/decelerations from the beginning to the end of the pitch; each “fast and loose” sequence is followed by a 30-s recovery phase and repeated for a total of six times (see image).
The number of accelerations is often used as a measure of the "high intensity" volume that the athlete performs in training or in the game. Two parameters are required to define this number: an acceleration threshold and a minimum dwell time above the threshold. Most clubs use a threshold of 2.0 m⋅s⁻² for a period of at least 0.5 seconds.
A first consideration to make...
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