The medicine ball should feel heavy, but you should still be able to lift it overhead with straight arms. (mindbodygreen.com)
Go into a full straight arm plank position and hold for 10 to 15 seconds, then push up, jumping feet between your hands. (womenshealthandfitness.com.au)
Repeat steps 1 through 4 until you have completed the desired number of rope straight arm pull down repetitions before resting. (shapesense.com)