Cones: Restart safely … Research by the Polytechnic of Turin. “High risk volleyball”

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Sport / Covid table from Il Messaggero

ROME – CONI has sent to the Minister for Youth Policies and Sports, Vincenzo Spadafora, the report of the Polytechnic of Turin, titled: “Sport restarts safely”, a 404 page work, including numerous attachments.

Study used to certify the various risk factors of the 387 sports disciplines headed by CONI and the Italian Paralympic Committee, providing indications and mitigation actions that can accompany the resumption of competitive activity, when the lockdown will be finished, by virtue of the specific features specific to each discipline, with a temporary nature and strictly linked to the emergency phase, although some may be useful even after an emergency has been overcome.

For team sports, there is talk of swabs to be made to the whole team 48 hours before the game and, on the bench, reserves, technical and medical staff spaced apart from each other and with a mask.

In agreement with the Italian Paralympic Committee, the National Sports Federations, the Associated Sports Disciplines and the Sports Promotion Bodies – which promptly provided the fullest collaboration – were therefore asked to fill in an analytical questionnaire prepared on the basis of a risk analysis model.

The proposed model highlights the assessment aspects of distance, protective devices and the possibility of using technologies applied to sport for each sport (so-called digitization).

It was asked to indicate for each individual item – applied to each sport and with reference to the place of practice, as well as to the nature of the event (training / race) – the relative risk factor where: 0= non-existent; 1= Poor; 2= Average; 3= High; 4= High.

On the Messenger we then read that the discriminating point is the “droplet“, The English word that literally means”droplet“Adopted in this coronavirus emergency to indicate the dynamics of the Sars-Cov-2 infection, the transmission of which occurs through drops of water that transmit germs into the air.

How much should social distancing measure? “The safety distance – the speakers write – is to be defined on the basis of the specific activity and the environment. For example, in environments with high humidity (e.g. swimming pool changing rooms or areas adjacent to the pool), the droplet is more persistent in the air, due to the reduced evaporation rate “.

And how far can the droplet cover? “In the absence of experimental data – it is read – reference has been made to a recent work available on: http://www.urbanphysics.net COVID19.html, based on a fluid dynamic model, which recommends distances between 5 and 10 meters between subjects in the wake, variable based on the athlete’s pace “.

MITIGATION MEASURES – It follows that the lowest risks are found in sailing with a single crew, while in all sports that involve contact the coefficient rises. Even in volleyball the risk is high, despite the net separating the two teams but in actions such as the wall the athletes are at very close distances. Even in tennis, although the contagion risk is relative, there is a danger if the contenders are both “under the net”.

For the rest in a singular (for double the risk classes increase) glasses are suggested to avoid eye-hand contact, separate benches, personal balls (to prevent the other player from using them). In combat sports, such as judo and fencing, it becomes very difficult to take effective precautions. In athletics, in speed races up to 400 meters, the contagion mitigation action is to leave a free lane between athletes.

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