- Psychiatric conditions or physical abilities which would prevent participation in an exercise class (for example psychotic illness, acute systemic illness (e.g. pneumonia), uncontrolled visual or vestibular disturbances which the GP considers would exclude patients from undertaking the exercise programme, poorly controlled angina, acute rheumatoid arthritis, unstable or acute heart failure, or conditions requiring a specialist exercise programme e.g. uncontrolled epilepsy significant neurological disease or impairment, unable to maintain seated upright position or unable to move about independently indoors)