Fifer Scissors: the ab exercise you need to try and perfect
Bee Kind – Fiber Talk
Freakin Fifer Scissors... : r/P90X
Heels to heaven and fifer scissors with a twist are two staples in my “Abs with Andrew” class. Lower abdominals is the toughest area to see strong... | By Abs with Andrew
33 fifer scissors - YouTube
Fifer Scissors: the ab exercise you need to try and perfect