Why exercise is important Benefits of exercise Why we should sit less Exercise guidelines Physical activity guidelines for adults aged 19 to 64 Physical activity guidelines for older adults Physical activity guidelines for children and young people Physical activity guidelines for children (under 5 years) Fitness advice for wheelchair users Strength and flexibility exercises How to improve your strength and flexibility Strength and Flex exercise plan: How-to videos Balance exercises Sitting exercises Strength exercises Flexibility exercises Exercises for sciatica problems Running and aerobic exercises How to warm up before exercising How to stretch after exercising Knee exercises for runners Knee pain and other running injuries Walking for health Fitness studio exercise videos About our Fitness studio videos Aerobic exercise videos Strength and resistance exercise videos Pilates and yoga exercise videos