These will challenge you more than any dumbbell row. You'll be essentially rowing your bodyweight with one arm.
Don't let your shoulder shrug up, keep your core braced, and pull with control. You'll feel your core work double-time to stabilize the offset load. Your pulling muscles will also contract deeply. To make it easier, simply go flat footed or adjust your angle.
It's estimated that 80% of the population will someday experience adrenal fatigue. When it comes to lifers, the percentage is probably higher. Jimmy Smith gives you 10 signs of adrenal fatigue, along with how to fix what ails ya.