Hi! I just signed up for the Hybrid Calisthenics platform and I’m really excited to get started. I’m 52 years old, but I haven’t exercised regularly for quite some time, and I currently have some pain in my knees. I really want to start training and gradually get stronger, but I need to be careful not to put too much stress on my knees. I would really appreciate any advice on which exercises or modifications you would recommend for someone in my situation. Thank you!