The chin-up is a strength training exercise. The intention of this exercise is to strengthen muscles such as the latissimus dorsi and biceps.

The chin-up is a strength training exercise. The intention of this exercise is to strengthen muscles such as the latissimus dorsi and biceps. Chin-ups, in which palms face the chest, are not to be confused with pull-ups; pull-ups have the palms facing away from the chest.