i can deadlift more weight with right underhand and left overhand than with right overhand and left underhand. i kept on changing the grip every week, but now it's a bit senseless to deadlift less weight every other week.Deadlift weight each week may be helping your grip strength.
However, it not doing much for anything else.
If you want to work you grip, there are other exercises you can employ.
what would you do?1) Find an exercise that specifically works you grip.
2) Perform Deadlifts as a means of increasing your posterior chain strength and size (Glutes, Hamstsrings, etc)
3) Use a mixed grip that allows you to hold on the to bar to overload the posterior chain muscles.
4) Another alternative is to use writs straps.
Remember the Deadlift focus is a posterior chain exercise. It is NOT a grip movement.
keep on changing or only deadlift with right underhand and left overhand? can this cause imbalances?Imbalances
You were born with imbalances and it NOT going to change.
As Stu noted, the majority of us have a right or left ham dominance...IMBALANCE.
Can you write with both your left and right hand?
Can you throw a ball with either hand?
Can you eat you food with either hand?
If NOT, you have an IMBALANCE.
Are you working on becomeing Ambidextrous? If not, you are going to remain having an IMBALANCE.
The Perfection of Imbalances
Imbalances have a place in sports/life. They are a necessary component of excelling.
A right handed person throws better with their right hand then their left.
A right handed person excels at catching a baseball with their left hand rather their right.
The same thing occurs is coming out of the blocks in track. Each leg has a dominate imbalance that propels them faster out of the blocks.
Again, "Dominate Imbalance" have a place in sports and life.
Don't over think this.