Why do soccer players wear a jockstrap?

Why do soccer players wear a bra?

By Vera Laumann | June 30, 2017, 3:03 p.m.

Men with bra - this is becoming more and more normal on the soccer field. Whether BVB midfield ace Marco Reus, Zlatan Ibrahimovic or Bayern wing racer Franck Ribéry - many soccer stars wear a bustier under their jersey. But why actually?

The so-called GPS bras are now used by many professional clubs during training units or during test matches. "They record movements on the playing field and save the physical data for them," explains sports medicine specialist Prof. Dr. Ingo Froböse from the Sport University Cologne on TECHBOOK request. “Where is the player moving, how fast is he? What is his heart rate like? When does his willingness to run decrease? ”In addition, it can also be evaluated how the players behaved tactically among each other,“ and which forces, e.g. B. in a duel, act on them, ”continues Froböse.

The neoprene bra with integrated GPS consists of an upper body strap and a small pocket in the neck in which the so-called monitor is located. This memory chip records the professional's data, which is either viewed live on the sidelines on a computer or evaluated later. After use, all monitors are loaded and all data saved in the docking station case.

A number of European Football clients in action mid-week; @ FCBayern @ valenciacf_en @ PSG_inside @ FCPorto to name a few pic.twitter.com/UdQsfR0E7v

- GPSportsSystems (@GPSportsSystems) March 2, 2016

Data should help optimize training

With the help of the GPS bra, the coaching team can identify weak points in players, adjust the intensity of the training individually and ultimately prevent injuries. However, Froböse warns against viewing the data as a central element: “Football should always be a game. It makes sense to use bras during training. Deficits can be recognized quickly and the intensity of the units can be optimized. The long-term development of the player can also be checked well with the help of the bras. ”But the great art is to analyze the data correctly.

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The bras should be able to record up to 60 parameters per player. And they not only provide valuable information when they are active. For example, they can also be used to check the quality of sleep. After all, optimal regeneration is a relevant factor for general fitness due to the high level of stress during the season.

There are various systems and providers of GPS bras. Top clubs such as Bayern Munich, Real Madrid, Barcelona and Juventus Turin, for example, use the models from the US company GPSports. The system costs the clubs around 50,000 euros.

Trainers have more and more data and analyzes available. Games and practice sessions are continuously filmed. The supervisory staff is constantly growing, more and more experts are taking care of the professionals. The transparent player is becoming more and more a reality. Froböse to TECHBOOK: “This is seen as too important. It is absurd how game evaluations are now carried out. Much has nothing to do with the quality of the players. You hide behind science. And the individual quality of the individual players takes a back seat. If you want to see it very simply: In the end, all that counts is a look at the table - it decides whether someone is successful or not. "

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"Fans don't want a math game"

It is currently being discussed whether the bras can also be used in competitive games in the future. Froböse: “I see it critically. The bra just collects data and calculates things. For sport and performance, it is not an advantage if decisions are made on the basis of mathematics. ”In sport, a lot of things happen by chance, and it will stay that way.

"Fans don't want a mathematical game, that would take away the emotionality," believes Froböse. “The individuality is lost. It no longer matters how the player feels, what individual skills he has. You always have to see: only those who score goals are successful. “Bayern didn't go the most last season. Above all, that was the teams that are downstairs. "The playful ability is much more important than the data alone," Froböse on TECHBOOK. "A good coach simply sees whether a player has to be replaced or not."

How does the bra record the data?

The players are located using GPS transmitters located in space. These transmit their current position and time to earth at regular intervals using radio beams. All GPS transmitters on the ground can thus calculate their own position. To do this, the GPS device must be in contact with at least four GPS satellites. Many devices, such as navigation systems, smartphones or tablets, are now equipped with GPS.

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