There is no best exercise to get rid of flabby arms. To get stronger and more toned arms for seniors do these exercises at least 3 times a week for best results.
Seniors balance, posture, physical health and fitness.
Flexibility Exercises For Seniors: A Comprehensive Guide — More Life Health - Seniors Health & Fitness
Arm Toning For Seniors Best Arm Toning Exercises For Seniors — More Life Health - Seniors Health & Fitness
Online workouts for seniors and how to pick the right one for you
8 Arm Exercises For Stroke Recovery At Home
The 7 Best Arm Workouts for a Stronger Upper Body
The 7 Best Arm Workouts for a Stronger Upper Body
Best Arms, Shoulders & Legs Exercises For Seniors!, Seniors' Chair Exercises
4 Best Arm Exercises for Seniors - SilverSneakers
Strengthen Your Arms with These 7 Simple Exercises for Seniors – DMoose
5 Daily Arm Exercises for Women After 50 To Strengthen & Tone
The 9 Chair Exercises Seniors Can Do for Better Health and Mobility - GoodRx