Penn State football player Kyle Carter practices using a foam roller during a demonstration with classmate Matthew Schroeder in his Kinesiology 457 class in 2014.
Penn State football player Kyle Carter practices using a foam roller during a demonstration with classmate Matthew Schroeder in his Kinesiology 457 class in 2014. CDT file photo
Penn State football player Kyle Carter practices using a foam roller during a demonstration with classmate Matthew Schroeder in his Kinesiology 457 class in 2014. CDT file photo