Fitness Tracker

Hannah Fry finds out how 1970s car crashes helped us to count our steps, why WWII dog-fights led to a crucial health monitor and how fitness trackers are even being used to catch killers.

Directing

Declan Healy · Director

Lyndon Bruce · Director

Production

John Pineda Thomson · Producer's Assistant

Stiv Twigg · Producer's Assistant

Valerie Mellon · Producer

Sound

Hugh Scott · Sound

Nick Davis · Sound Editor

Crew

John Wilson · Film Processor