Berufexp Short Straight Bar, Pull Down Bar with 360 Swivel, Lat Pulldown Attachments, Cable Machine Attachment, Bicep Tricep Press Down Curl Bar Best seller Add Sponsored $14.99 current price $14.99 Berufexp Short Straight Bar, Pull Down Bar with 360 Swivel, Lat Pulldown ...
While keeping your legs straight at the beginning offers the biggest challenge to your core muscles, bending your knees above parallel will allow you to lift your legs higher, curl your pelvis, and maximize muscle contraction. If you’re a beginner, do the bent knee variation and gradually str...