A man - who was paralysed after suffering an accident at a trampoline park - said it made his 'blood boil' that checks weren't made.
Several people are calling for the UK's 'most dangerous trampoline parks' to be shut down following a string of incidents.
One incident saw a mum-of-two passed out in a trampoline park after a ball smacked her in the face.
She claims staff were unaware of how to provide medical treatment and were willing to let the potentially concussed mother drive her two children home.
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In a different park, one parent said their child jumped onto a play mat with a hammer and crowbar on it, which were left unattended by workers.
Nothing was said or done by the company involved, the parent claimed.
This comes after 11 people broke their backs and countless others were 'injured on a daily basis' at Flip Out Chester.
Flip Out has 31 franchises across the country.
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Former directors David Shuttleworth and Matthew Melling, both 33, plead guilty to health and safety offences last month.
They were charged after an investigation was launched into the pair regarding 270 known accidents at the indoor playground over a seven-week period between December 2016 and February 2017.
Back in 2018, Daniel Moseley was 20-years-old when he became paralysed after jumping off a trampoline into a foam pit, instead landing on the edge at Flip Out Stoke.
Daniel, who became paralysed from the neck down, said it made his 'blood boil' after finding out that eleven people suffered life-changing injuries at the Chester branch, just one year prior.
An independent investigation found procedures were followed correctly and the council didn't follow up with a formal complaint.
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Daniel told LADbible: "I’m thankful that there has been some justice, many people like myself have suffered life changing injuries that could have been prevented if the right health and safety protocols were followed.
"These clearly are not freak accidents when they are happening so often and I’m shocked that it’s taken this long for an investigation to take place.
"I think these places need to be regulated correctly because the amount of accidents that happen there speaks volumes.
"I enjoy making light of my disability on TikTok, I’m not someone who takes themselves very seriously and having a laugh about something as serious as my disability not only helps me but many other people who live with conditions like myself.
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"I was motivated to start making videos as often people feel awkward around people with disabilities and making jokes about it and having a laugh is best way to put people at ease. "
Anjie Gibbons claims she was at Flip Out Scotland when she witnessed an inured child left on the floor.
"We were in the Flip Out in Glasgow a couple of months ago. On our arrival one of the tumble tracks was closed as a girl was lying on the floor, injured and unable to move," she told MailOnline.
"This area was cornered off but the rest of the venue was operating as normal. We were there for two and a half hours and she lay there the whole time."
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Rebecca Louden, another Flip Out patron, said: "I had an experience at the Glasgow Flip Out venue where a hammer and crowbar were left unattended on a play mat in the middle of the arena for over ten minutes at an under five's section.
"When I highlighted my staff to the concern, it was dismissed as 'someone is using them so don't touch them'.
"I emailed multiple people from the company and nothing was said or done about this major health and safety issue. My child actually jumped on the mat and that's when I noticed them."
LADbible has contacted Flip Out for comment.
Anish Vij