3 Resistance Band Arm Moves From the Trainer Who Gets Victoria's Secret Angels Fit

Start by cactus-ing your arms at the elbow. Keep one arm steady, and pull down the other, keeping the 90-degree angle, until you start to feel resistance. Do this slowly about eight times before switching to the other arm.

"By pulling down on the band to a 90-degree angle at the elbow, you are pulling down at the lats and the rest of the back muscles (the rhomboids), while also flexing the shoulder and bicep," says P.