Pause, then straighten arms, returning to … A maintained diet and regular workout routine can decrease body fat including extra fat in the back of your upper arms. Upper Arm Exercises for Flabby Middle Aged Arms. Keeping upper arms by your ears and hands at the top of the bar, bend elbows to lower the weights slowly behind your head. It usually manifests as a jiggly area at the back of the upper arm. Men and women can both suffer from flabby arms as they age. It is an effective muscle building exercise that targets your triceps and tones your upper arms by burning enormous fat in that area. The exercise tones your arms, ... Plank is an excellent workout for toning flabby arms. Take a look at the good in practicing this exercise. Pros of this Flabby Arm exercises. 5 Best Exercises For Flabby Arms Workout Video When I made this video I decided to do it from home just to show you didn’t need to go to the gym to do these simple but highly effective exercises. Flabby arms, also known as bat wings, are a common problem area, especially in females who store more fat in their upper arms than males, mainly due to the hormones. Arm circles are one of the simplest and most effective arm fat exercises that can be done with or without weights.