Muscle and joint issues: NHS Inform
This link will take you to the website of NHS Inform and their Musculoskeletal Zone (which deals with muscle or joint problems).They offer advice and information on upper body issues (neck, shoulder, elbow, wrist and hand), lower body issues (hip, thigh, calf, ankle and foot) and back issues. They also have an app, which you can download onto your phone, tablet or computer
Please be aware that the information given is not geared specifically to patients who have spent time in Intensive Care, although you might find some of it useful.As with many other forms of exercise, you should think about speaking to your GP before having a go.