This 50 mins online yoga class will be fully concentrate on working the arms to help you to toned up your arms muscles and reduce the fat and make your arms stronger.
There will be different variations of the postures for you to choose. Therefore, there will be a variation that you can choose to practice definitely regardless you have a strong or weak arms.
Just go for the one that your body is ready for it. Yoga practice is the time for you to get to know your own body better!