Can't do a pull-up? This Marine colonel told us how to get your first rep

Marine Corps colonel Misty Posey's pull-up program has become a popular method for some Marines hoping to boost their reps. Here, Posey, far left, coaches some students.

Lance Cpl. Cody Fitzgerald/US Marine Corps

• After struggling to get her first pull-up in the 1990s, a Marine built a pull-up program used across the Corps today.
• The colonel says most people can get their first reps faster than they think.
• Her method leans on partner-assisted pull-ups and avoiding burnout.