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Mark Wahlberg shows off his shredded figure and punches a friend in the stomach at the gym
Mark Wahlberg took to social media to share his impressive muscles while training in the gym on Thursday.The actor, 51, shared an Instagram video where he flexes his muscles and later punches his workout buddy Tom Dowd in the stomach as he shares he is getting ready for the holidays.Last month, he revealed his 'dialed down' workout regime that allows him to sleep in until 3:30 a.m. instead of 2:30 a.m.