https://cashwalklabs.moneple.com/workout_routines/1859893
I recommend Sascha Huber. He has the most popular FitnessYoutube Channel in gernan speaking countries. For an arm workout you can zse thisone:
https://youtu.be/ZNQC_Dzr10U?si=q_-2ZYaytFduFgCE
The best is: you don't need any equipment! You work against your own resistance.
The best exercise in my opinion is shown in 3:30.
You train your bizeps on one arm and the trizeps on the other at the same time. Next exercise is to do it the other way round.
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