Spring is here (yea!) and t-shirts and sleeveless shirts are being unearthed from the dungeons in storage. But are your arms ready for the warm weather, or do you have a littler extra jiggle you need to get rid of? Shape.com has put out a De-Jiggle Arm Workout Plan to help tone up and firm your arms in time for the nice weather. There is a great triceps anatomy lesson to take advantage of, and the exercises will make your arms sore! But it’s worth it to look your best in those sleeveless tanks, so head over to Shape.com and download your workout plan.