Seated Bicep Curl is one of the simple but highly effective resistance workouts if done properly. Dumbbell bicep curls help you increase the stamina, physical strength, energy levels and assist you in building muscles. Seated bicep curls are more effective in maintaining the health and strengthening of bones and joints of upper arm. It is essential to add weight in your workout as per your fitness level. Discontinue the exercise and contact your doctor immediately if feel any discomfort or pain in any joint or muscle.