You should consult with your doctor to clarify that it is safe for you to become physically active at this current time and in your current state of health.
It is reasonably safe for you to participate in physically activity, gradually building up from your current ability level. A fitness appraisal can help determine your ability levels.
I have read, understood and accurately completed this questionnaire. I confirm that I am voluntarily engaging in an acceptable level of exercise, and my participation involves a risk of injury.