Performing the: A Step-by-Step Tutorial Dumbbell Lying Alternate Extension
Slowly bend your right elbow, lowering the dumbbell in a controlled manner until it's just above your forehead. Keep your upper arm stationary and use your forearm to move the weight.
Hold the position for a moment, then push the dumbbell back to the starting position using your triceps muscle.
Repeat the movement with your left arm while keeping your right arm extended. This completes one repetition.
Continue to alternate arms for the desired number of repetitions, ensuring you maintain a steady, controlled movement throughout the exercise.