Triceps muscles, and since they take roughly two-thirds of the arm, contribute significantly to this problem. Hold a dumbbell in the left hand. Then I do 15 push-ups regular style and then I do 5 with my hands forming that triangle. So, by increasing the muscle mass of the triceps, the skin under the arm will be fuller and appear tighter. A 39-year-old member asked: How long does it take to tone your arms and legs after getting out of shape at 55? Anonymous. I am preparing for a wedding ( mother of bride), and I need to tone up my arms and upper back. Begin your routine with arm exercises using 5 pound weights. How To Tone Arms? Many people complain about sagging skin in their arms after weight loss. How long would this take and what are the best exercises to reach this goal. Dumbbells provide a convenient way to strengthen and tone muscles without leaving your house. If you're consistently working out, you're probably anxious to see some muscle definition. In general, beginners gain muscle mass faster than intermediate and advanced lifters because they are untrained and relatively far from their genetic potential. For example, a 150-pound woman would need to take in around 54 grams of protein a day. Many repetitions frequently will produce results but tone takes time. How long does it relly take to add an inch to your arms? 4 years ago. I do this twice a day. 0 0. 22 years experience Orthopedic Surgery. how long does it take to tone your arms and legs after getting out of shape at 55. Beginner If you are just starting out, and you are really skinny, you can add an inch to your arms in 4-6 months. Source(s): long tone arms: https://biturl.im/CiTCJ. I've got a resistance band and I have 5 exercises I do with it. How long does it take to tone your arms? But be patient, muscle growth can take weeks to months to occur. How Long Does It Take to Tighten Your Arms … I do 20 each. 5 lbs is a bit light: And it will take time. Intermediate Start with the dumbbell hanging toward the floor, and then lift the weight until your upper arm is parallel to the floor. The more you put in, the faster you will get results. How long will it take to tone up my arms if I do this? Do triceps kickbacks to tone the back of the arms. Stand with your right leg forward, resting your right arm on your thigh to support your upper body. Dr. Robert Purchase answered.