Monday, January 14, 2013, 6:05 – 6:55pm Guts-n-Butts is a one-hour class devoted to strengthening and toning the lower body and the core. Only current, fees-paid UM students or Wellness Center members and/or their official guests are eligible to participate in free Group Exercise classes.Class sessions are limited to a maximum of 55 participants in Multi-B, 46 in Multi-D, and 20 in the pool unless otherwise stated. Entry is on a first come, first serve basis. After the maximum number have entered, the class will be closed. For safety reasons, participants may only enter an open class until 10 minutes after class start time. After 10 minutes the class is closed.Participants must wear athletic, closed-toes shoes to participate in any group exercise class.