As detailed by Sportsmail last week, the FA were understood to have pointed Public Health England to the precedent of socially-distanced training set by the Premier League clubs ahead of Project Restart last summer, when players were initially only.

The MD is manufactured by B-ON, and the company asserts that the device can measure a user's electrocardiogram (EKG) activity, blood pressure, heart rate, blood oxygen levels and body temperature, at a 95 percent rate accuracy.