Get envy-worthy abs in one month! Choose one move from each zone to create a 1-move abs circuit that works your transversus abdominis, rectus abdominis, obliques, and your lower back, hips (Iliopsoas) and glutes.
Transversus Abdominus: Scrabble Ball
What you'll need: A stability ball, a pair of 2- to 5-pound dumbbells, and a mat.
Get into plank position with hands under shoulders, legs extended, back straight, and feet on top of a stability ball, forming a line from head to heels.
Keeping abs tight, roll ball under feet to spell out the letters of the alphabet.