Find out who’ll out-flex the competition at the 30th Annual Bronxboro Arm Wrestling Championships. Skill level, age and dexterity are no object; the amateur needs only the urge to pin an opponent’s arm to a table (registration and weigh-in start at 9:30am; amateurs $15, pros $20). Serious entrants can face off for the title of the Bronx’s Strongest Arm and $100 in cash. Mosholu Pkwy between Bainbridge Ave and Van Cortlandt Ave East, Bronx. Subway: D to Bedford Park Blvd. For details, visit nycarms.com.