It helps in building strong arms by strengthening the core muscles. Plank is a great exercise to enhance the strength of your abdomen, back, hips, shoulders and chest. This is typically enough weight to challenge the muscles in your arms while also allowing you to control the dumbbells. These exercises aren’t going to tone your flabby arms if your form is all over the place. For optimal results, try to exercise at least five days a week, and engage in the following moves: 1. These three factors combine to make a saggy appearance because gravity causes the fat and excess skin to fold and sag. How to tone flabby arms, Many women are complaining about flabby arms and this problem occurs because women tend to store more fat in their upper arms than men due to hormones. Push ups are one of the best exercises that you can do to help you tone up flabby arms. Push Ups. Plank is an excellent workout for toning flabby arms. How to do Plank: Beginners: Forearm Plank. This can be seen greatly in old women because as we age our skin tends to lose its … For most women I suggest starting off with a pair of 5-8 pound dumbbells. The flabby arms are caused by a combination of three things in the upper arm region: Excess fat tissue, excess skin and lack of muscle mass. But, toning up flabby arms is possible when the correct types of exercises are used.