What should you know about obesity and exercise?

Regular movement can improve fitness, strength, joint function, sleep and confidence. It can also help manage blood glucose and blood pressure. Exercise does not need to be intense to be worthwhile, and body weight alone does not show how fit or healthy someone is. Joint pain, breathlessness, balance problems or other conditions may affect which activities are suitable.

Choose activity you can repeat: walking, cycling, swimming, water exercise, chair-based movement or resistance work may all be options. A slower pace with rests is sensible when you are starting or returning after a break.

Begin with a brief, comfortable session and add time or frequency gradually. Warm up, wear supportive footwear and drink according to your clinician's advice. Mix aerobic movement with strengthening if it feels safe. A physiotherapist or exercise professional can adapt movements for painful joints. If you have diabetes, hypertension, gout, gallstones, acid reflux or obstructive sleep apnoea, ask how your plan should account for it.

Stop exercising and seek urgent help for chest pressure, fainting, severe breathlessness, sudden weakness or a new irregular pounding heartbeat. Arrange medical advice for persistent joint swelling, pain that changes how you walk, dizziness during sessions or breathlessness that is disproportionate to the activity. A review can identify a safer starting level.

Which activities suit my joints and current fitness? Do my medicines or health conditions change exercise safety? Should I have an assessment before increasing effort? What symptoms mean I should stop? Could referral to physiotherapy or supervised exercise help?