Cpl. Sarah Alsip, a fiscal clerk at the Wounded Warrior Regiment aboard Marine Corps Base Quantico, performs scapula retractions, which helps with the first pull of pull-ups by using a Suspension Training band during Semper Fit’s first pull-up clinic Jan. 7, 2014. The program will offer pull-up progression training on the first Tuesday of every month. - Cpl. Sarah Alsip, a fiscal clerk at the Wounded Warrior Regiment aboard Marine Corps Base Quantico, performs scapula retractions, which helps with the first pull of pull-ups by using a Suspension Training band during Semper Fit’s first pull-up clinic Jan. 7, 2014. The program will offer pull-up progression training on the first Tuesday of every month.