The One-Minute Hammer Curl. The One-Minute Hammer Curl. by The Editors of Women’s Health Published: Sep 04, 2009 10:03 AM EDT. Save Article. ... 'I Did My First Unassisted Chin-Up At 56' ...

The sit-up, or curl-up, ... people start out too fast and do about 30-40 in the first 30 seconds and are not able to get 30-40 in the next 1 minute, 30 seconds of a two-minute test.