On Board Online • March 7, 2016 • Heart Monitors • Technology
By Jason Franchuk
A timid face greeted teacher Doug Hallberg near the end of a physical education class in the Mohonasen school district. A delightful problem: a seventh-grade girl was wondering if she had been working too hard.
Sheepishly, she handed over a slimy heart rate monitor.
"It's supposed to be sweaty ? that's the point!" Hallberg replied in a cheerful, booming voice.