What is this sign?

Question

Dominant hand is in B-handshape and brushes palm down from midforearm to elbow on non-dominant arm.

Answer 1

It could have several meanings.

This could be for one the following, depending on the topic:

showing the location of a burn or pain;

demonstrating how to apply a lotion or a balm; or

to indicate a person's skin color.

Answer 2

Looks like the sign word is “MUSIC”