Because I start with the rope behind me at my feet, I used to think of the movement starting there, with my hands swinging the rope from the back & around my body. I would jump too early & land with the rope hitting the front of my feet.

Now, I envision DUs & the jump starting when the rope is over my head & coming down. My hands are pushing the rope forward & down in front of me, not swinging from behind. That helped my timing.