Percussion massage guns have become a popular option for people looking for convenient muscle relaxation after workouts, long working hours or physically demanding activities. These handheld devices ...

But do they actually work? Fitness is no stranger to a fad (remember the Shake Weight, anyone?) and you'd be forgiven for eyeing these hammer-like contraptions with the same suspicion. So we spoke to ...

Kristin Weiland is a documentary film producer and writer with a background in crisis management and ethnographic research. She specializes in investigative and social impact documentary projects, and ...