Skipping rope is important for coordinating ankle, knee, and hip flexion and extension, a skill that declines with age.

“the ability to coordinate flexion extension at the ankle knee and hip is really important so you're coordinating the movement pattern at both the an or at the ankle at the knee and the hip and coordinating all of those in space and time and the ability to do that as we've talked about is one of the things that we lose as we age”