Rope climbing has long been a staple of the CrossFit regimen. It is a tremendously functional way to challenge the grip and develop upper-body strength. With the addition of the L-sit position, this movement has no peer in developing grip, arm, and core strength, as well as full-body control and coordination.
CrossFit® - Forging Elite Fitness® ()
The CrossFit Journal -- ()
The CrossFit Games -- ()