Error! You must javascript enabled to use this form. Please enable Javascript in your browser. How Smartphones Affect Treadmill Running Treadmill users today also tend to be glued to a smartphone. A recent study by a researcher at Kent State set out to determine how smartphone use affects a treadmill workout. View full press release Your Name: Your Email: Subject: Question: We respects your privacy, the information you entered above will not be used to send unsolicited email, and will not be rented or sold to a 3rd party. Your contact information will be shared with the recipient of this message - Privacy Policy Send