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Paul Allen, 47, was paralysed after being shot in the neck at his home in Woodford Green, east London, on 11 July 2019.

"Someone with neck instability undertaking trampolining could have an impact, which for those without neck instability may be consequently minor, but for them could result in paralysation or dislocation of the joint in the neck," the spokesman added.

Kennedy was struck in the neck and head and was pronounced dead at Parkland Memorial Hospital.

Ms Smith, who lives in Barry, said Frank's jugular vein - the main vein in the neck - was damaged and he was "bleeding profusely".

“In a younger person who spends a lot of time in front of the computer sitting, specific muscles in the neck can cause the head to protrude more forward, muscles in the chest and shoulders can cause the shoulders and spine to roll in,” he explains.