What is Dorian Yates' back exercise?

Dorian Yates, well-known for his massive back, preferred the Hammer Strength ISO row as his back exercise. This machine was frequently used by Yates and became instrumental in developing his impressive back muscles. The exercise involves a pulling motion that can be executed with either one arm or both. Yates' training emphasized low volume but high intensity, focusing significantly on this machine during his workouts 1.