Single arm cable pull down (sup grip)
How to perform a Single arm cable pull down (sup grip):
Keep your core strong and your spine neutral
Initiate the movement by retracting your shoulder blades back and down, the muscles in the back (specifically your lats) should be the main focus and not just the pulling of the arms
Pull the weight till you have achieved full squeeze of your shoulder blades and lats
Keep the muscles under tension the entire time