Use a decline bench or make on like in the video. Grab the end of the bench above your head. Keep your legs straight and lift your them and your butt off of the bench, reaching high with your toes. Lower and repeat.
Use a decline bench or make on like in the video. Grab the end of the bench above your head. Keep your legs straight and lift your them and your butt off of the bench, reaching high with your toes. Lower and repeat.