
Throughout 2018, Kami Waalkens noticed the pain in her left hip only occasionally. She’d feel a twinge when she worked out on certain machines at the gym, or when she raised a leg to climb into the car, or when she ran a virtual 5K race. Then a 25-year-old hospital social worker in Mason City, Iowa, Waalkens ignored the intermittent pain for six months—she assumed her sciatic nerve was acting up…