Warehouses are tracking workers’ every muscle movement

Each time Westley (pic) bends too deeply to pick up a box or twists too far to set one down, the device on his chest vibrates to send a warning that his chance of getting hurt is elevated. — Geodis/Bloomberg

Every morning when he goes to work in the freezer room of a warehouse in eastern Pennsylvania, Jack Westley throws on a hooded sweatshirt to keep warm and grabs a radio to talk to his coworkers. He was recently given a new piece of equipment to wear, which he attaches to a harness over his shoulders. It’s a black device about the size of a smartphone that tracks his every move.

For Westley, a 36-year-old with tattooed arms and a sunny disposition, work means a full day of carrying boxes as ice slowly forms in his beard. The freezer is one of the more treacherous areas, according to the warehouse’s management, in part because workers get sloppy when they’re cold. So each time Westley bends too deeply to pick up a box or twists too far to set one down, the device on his chest vibrates to send a warning that his chance of getting hurt is elevated.