Strumming up/down

[HotIcyDonut]

Strumming up/down during playing a guitar, i.e. pulling its string upwards/downwards to make a sound. How would you translate it?

My attempt:

الدقّ على وتر/أوتار إلى أعلى/أسفل

شكراً مقدماً​

 

[djara]

strumming down صد
strumming up رد
More general terms: ضرب and دق (to hit, strike)