By Ricardo Mendez |Staff Writer| The CSUSB Student Recreation & Fitness Center (Rec Center) offers various group exercise classes including one of the most popular activities, "Butts-n-Guts." This strength training exercise focuses on the glutes and abs, hence its name. "I would recommend it to others for more motivation," said biology pre-medicine student Leslie Cardenas. Classes are held every Wednesday at 6:30 p.m. in Room 203 and vary in duration from 45 minutes to an hour. Kinesiology major Emily Hill, a Rec Center employee for two years, is the class instructor. Hill started the workout with small warm ups where the whole class gathered in a circle and ran around … [Read more...] about Workin’ on “Butts-n-Guts”