This is exactly the way to do this. Just make sure you use common sense.
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What is light? What is heavy?
What is a low compliance. I do not favour these vague terms.
Have you read Ladegaard's 1977 paper? Splendid:
It tells me, that not compliance nor effective mass are important.
But the Hz's of the rf and the dB's of the resonance- peak decide if the tracking is safe.
But too light arms will suffer a too low resistance against elastic bending- or torsion- defornmation. So the most harmonious combination of skills of them all will win the game. And there are more unfluencing parameters than mass and compliance on their own.