You might like the idea of getting fit and healthy but don’t know where to start. You certainly have plenty of options when it comes to exercise. You should always aim to work out your cardio vascular system as well as your muscles. Stretching your muscles properly before doing exercise is also very important otherwise you could do yourself an injury. Running and jogging often causes problems with the joints in your knees and ankles so something like a elliptical trainer or rowing machine are good alternatives.