A personal trainer told a jury his jaw was fractured by a colleague after a row over a client.
William Iddon, 26, claimed he was punched on the face by Kieran Paterson, 29, at Future Fitness in Glasgow’s Shawlands on April 19, 2019.
Mr Iddon claimed he had confronted Mr Paterson about the way he was treating an injured client.
He stated the pair and the owner went into the staff room where he was allegedly struck before falling to the floor.
Mr Iddon claimed he spat blood and later received metal plates for his broken jaw.
He stated that the injury was “the most severe pain I’ve experienced in my life.”
Paterson denies the single charge at Glasgow Sheriff Court of assaulting Mr Iddon to his severe injury, permanent disfigurement and permanent impairment.
Mr Iddon told jurors in evidence that he had a “professional disagreement” with Paterson who he described as a “friend.”
Prosecutor Carrie Stevens asked what was said.
The witness replied: “I said just that his client care had flipped and he was not providing care for the client.
“That’s why the client had the pain that she had.”
Mr Iddon claimed Paterson left to find gym owner Jason Evans, 50, before the trio ended up in the staff room.
He said: “Kieran asked Jason to try and tell me to leave him and his business alone.
“I then stated why I came to the conclusions that I had and at that point he started to attack me.”
Miss Stevens later asked how Paterson attacked him.
He replied: “I was standing explaining my peace and he was maybe one or two feet away.
“He almost had its back to me and turned round and just hooked me with his right hand to left side of my face hitting me perfectly on the jaw.
“It was a full force punch.”
Mr Iddon stated he stumbled before collapsing near the reception where he spat blood.
He added: “The adrenaline kicked in and I didn’t understand the damage at the time.
“It was the most severe pain I have ever experienced in my life.”
Mr Iddon claimed Mr Evans told him to leave and that Paterson “bolted over the desk and ran out the door.”
He was then taken to hospital for treatment by Mr Evans.
Mr Iddon said: “I thought my tooth was missing, but it was just the gap from the broken jaw.
“There was complete dislodge of the jaw and I could fit my full tongue in it.”
Mr Iddon said he underwent surgery to re-attach the jaw which required a metal plate being fitted.
He stated that as a result, the metal plate causes an ache when it’s cold and he cannot eat certain foods such as an apple.
Mr Iddon added: “I now have scarring.
“If I take an impact on my jaw again, it will be permanently damaged.”
Michael Gallan, defending, put it to Mr Iddon that he was the “aggressor” in the dispute.
He added: “I suggest that you lunged at him, tried to punch him and he punched you.”
Mr Iddon replied: “That’s completely dishonest, as I’ve said I’m not a trained fighter he is much older.
“Kieran has a background in martial arts and MMA, I have never had a record in my life for any type of violence.”
The trial continues on Monday before Sheriff Paul Crozier.
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