Pressure to the side of the neck can lead to a sudden slowing or even stoppage of the heart

must be true Israeli Army uses the same tactics that's why the Israeli Army trains American police

Depending on the way someone's head is positioned and the weight of the person applying pressure to their neck, the knee-to-neck maneuver can cause significant damage, said Seth Stoughton, an associate professor of law at the University of South Carolina.

Stoughton, co-author of "Evaluating Police Uses of Force," identified three ways officers can cause potential injury using the knee-to-neck method.

The first, he said, is keeping suspects in the prone position, meaning they lie face-down with their hands cuffed behind their backs, for an extended period of time. It's a dangerous position, Stoughton said, because it's known to cause what's called positional asphyxia.

Someone in that position can draw enough breath to gasp or speak in spurts, but they can't breathe fully, so they gradually lose oxygen and fall unconscious.

Stoughton, who is a former officer, said police departments emphasize keeping someone in the prone position just long enough to restrain them, then take them out of it either by rolling them onto their side, sitting them up or having them stand.

Another potential injury involves the placement of pressure. A great deal of pressure and weight on a suspect's neck can cause fatal damage.

In his book on use of force, Stoughton wrote, "Officers should avoid putting their body weight on the subject's neck or head; the pressure of such a position can fracture the hyoid bone or cervical spine, depending on the position of the subject's head."

Finally, any officers involved in this maneuver must closely monitor the suspect's well-being, he said. Kneeling on their neck for an extended period of time could be fatal.

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Pay attention and learn something all you internet keyboard medical experts out there.

pinching the jugular and carotid
causes loss of consciousness
and then death if blood flow is not restored

brain stops first

kneeling on the neck is sufficient to accomplish this