A sadistic and wicked woman who jumped on a little boy's stomach with both feet after losing her patience with him has been jailed for seven years.
The savage assault led to the eight-year-old lboy being rushed to hospital with a perforated bowel, Guildford Crown Court heard.
Nicola Tedder, 32, from Haslemere, Surrey, was named and shamed after being found guilty of causing grievous bodily harm with intent.
She was also convicted of four offences of assault causing actual bodily harm and one of child cruelty after a five-week trial.
Tedder had responsibility for the boy even though he was not her child.
But instead of looking after his welfare, she subjected to him to barbaric punishments if he wet himself or did things that annoyed her.
The attack that perforated the little boy's bowel was the culmination of a catalogue of unbelievable and sadistic cruelty.
Ms Alexia Durran, prosecuting, said: "On one occasion she held his feet against a radiator which was hot enough to cause burning to his feet.
"On another occasion, she poked her fingers into his eyes, causing him ulcers and abrasions to his eyes. It looked like something out of a horror film."
The court was told that the defendant would put her hands around the boy's throat and shove his head under bath water as well as hitting him over the head with kitchen utensils and rubbing his nose in his own excrement if he soiled himself..
But the most serious assault was when Tedder used the youngster virtually as a trampoline last year (2011), it was revealed.
Ms Durran said the injured boy was rushed to the Royal Surrey County Hospital, Guildford, suffering from excruciating abdominal pain.
"It was as a result of his stomach being stamped upon. A doctor said he had only seen an injury like this from a karate kick - which will give some idea of the force used," she said.
Ms Durran said: "The victim said that the defendant had jumped on his stomach with both feet. She was wearing flip-flops at the time."
She said that a tear was discovered in the boy's colon and he had to be transferred to St. George's Hospital, Tooting, for specialist treatment.
The incident led to Tedder being arrested and prosecuted. The defendant denied all the charges against her.
Tedder claimed that the boy was clumsy and was always injuring himself.
Jailing the defendant, Judge Michael Addison said: "You deliberately jumped on his stomach. This caused very serious injuries."
He said it would probably never be clear why Tedder had inflicted such violence on the child.
"You may have a short temper or a cruel disposition," added Judge Addison.
He said the boy might well suffer from long-term psychological damage as a result of his suffering at her hands
The court was told that staff at the victim's school had already noticed that the boy seemed to suffer cuts and bruising with a greater regularity than was considered normal for a child of his age.
"One of the staff remarked last year (2011) that the boy was walking like an old man," said Ms Durran.
Andrew Turton, defending, said his client had never been in the trouble with the law before.
"She continues to deny committing these offences which makes mitigation very difficult," he said.
The court heard that Tedder had often looked after a number of children and had problems in her private life.
"These incidents took place against a background of stress," said Mr Turton.
The identity of the child and many details of the case cannot be divulged for legal reasons.
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