Whilst key workers continue to face immense challenges, those of us at home can play our part in protecting the NHS from a influx of conditions related to inactivity after the restrictions are eased. Has lockdown changed our physical activity levels? The repercussions of lockdown are only just beginning to be understood. It is challenging at the best of times to get an accurate measure of physical activity at population level, and a sudden and extreme change adds further complexity. However, researchers have been scrambling to capture data and early reports are starting to be shared. Viewed