Bands around the chest and abdomen can show how hard a child is working to breathe.

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He suffered a head injury, number of wounds to his chest and abdomen and an injury to his arm.

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Pathologist Nigel Cooper said Mr Lund died of chest and abdomen injuries.

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Pathologist Dr Nigel Cooper said Mr Lund suffered severe crushing injuries to his chest and abdomen and he would have died "very quickly".

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The motion of the chest and abdomen during breathing impedes the wireless radio signals crisscrossing a bedridden patient, who in the study was Patwari himself.

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Most of the bruising found by pathologists was to Keanu's lower chest and abdomen, but there were also found to be bruising to the head and back.

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As well as leg-pads and gloves, a player these days will wear a helmet with face guard, thigh pad and protection for chest, arms and abdomen.

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