Comparison of 4 power positions. The frames were captured right...
Comparison of 4 power positions. The frames were captured right before the athletes started extending towards the finish at the top of their pull.
For the inevitable question of which is ideal? It will vary from coach to coach and athlete to athlete. Some will want to see varying degrees of shoulders over the bar to shoulders behind the bar along with the weight distribution biasing the front heel edge or going towards the base of the toes.