How do you do the Outstretched Arm Rope Extension or Retropulsion?

How do you do the Outstretched Arm Rope Extension or Retropulsion?

How to perform the exercise? Stand in front of a high pulley and use the rope as a pulling accessory. Grab the rope and bring it towards your thighs by spreading your arms. Contract your back strongly for a good second and then slowly come back up. Repeat until the end of your series. CAUTION: Do not put too much weight, it is not possible to...