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Red pulse close-up

Move over a marked area to light it up and open medical details. On a phone, tap the area or its label.

Head first: the exposure illustrated in this example.

Pulsing potential-trauma regions on the dog Training photograph with the person's face blurred. Red overlays pulse over the dog's head, neck and back. They are illustrative, not proof of injury.

The head-first emphasis is the sequence illustrated here, not a claim that every counterattack starts at the head. This is an illustrative example for discussing bark, bite and hold calibration. The photo does not establish this dog's training history. Overlays show potential exposure, not actual injury or harm caused by the person pictured. Pulsing does not measure injury severity.