HASfit strength workouts
HASfit have a variety of videos on their YouTube channel for all goals and fitness levels. This includes a variety of exercises that can be adapted to your needs, including seated workouts. The video to the right is an example of their seated strength workout, but they have a variety on offer on their channel.
Workouts with Doaa Shayea
Doaa posts many videos on social media around her life as a wheelchair user in order to raise awareness of being a disabled person.
She has an instagram channel where she has been posting a variety of strength workouts, which you can find on her instagram account.