The hogtie when used on pigs and cattle has the limbs tied in front; it is not possible to tie them behind without harming the animal. When performed on a human, however, a hogtie is any position that results in the arms and legs being bound, both tied behind the person and then connecting the hands and feet.
Use in torture
A particularly dangerous variation of the hogtie has been used to torture and kill: the hands are tied behind the back and the feet are tied together, with one end of the rope around the victim's neck. The tension on the neck-rope can only be relieved if the victim keeps their neck, back and legs arched; eventually, the victim tires and strangles.
The term may also apply figuratively to an instance where a person has said or done something which has unpleasant consequences, and from which they are unable to escape.