SALISBURY — On a mat at the Forum gym, John Peterson was set to break the world record for abdominal floor crunches in an hour on Tuesday morning.  The 61-year-old did 6,774 crunches. The previous record, according to Record Setter, is 4,607 crunches. “Your core is your lifeline,” Peterson said. “It supports your whole body.” … Continue reading Salisbury man goes for most abdominal crunches in an hour record