Is overhead press exercise safe with someone who suffered a whiplash neck injury and why?

I can see where Danielle Vindez is coming from, but I would take a different approach to this question.

I would argue that it would depend how recent their neck injury and how far along their treatment is.

The OHP is a great way to hit the delts, traps and also uses the chest and arms as synergists. This would be a great way to stimulate bone and muscle growth to help them heal as long as you think they have progressed enough to add compound lifts to their workout.