The abdominal exercises used are the cross crawl, stability ball rollout, and side plank with dumbbell lateral raise. (turbulencetraining.com)
Single - arm dumbbell side lateral raise For the single - arm variation, hold onto a stationary piece of equipment for added stability. (ironmanmagazine.com)
You can do lateral raises with dumbbells or resistance bands, or even a cable machine. (all-about-arm-exercises.com)