To tone your arms effectively, consider incorporating the following exercises into your routine:

1 Bicep Curls: Use dumbbells or resistance bands to perform bicep curls. Keep your elbows close to your body and curl the weights towards your shoulders.

2 Tricep Dips: Use a stable surface like a chair or parallel bars to perform tricep dips. Lower your body by bending your elbows, then push back up.

3 Push-Ups: Classic push-ups engage the chest, shoulders, and triceps. Modify the intensity by doing knee push-ups or incline push-ups against a surface like a wall or bench.

4 Tricep Kickbacks: Holding a dumbbell in one hand, hinge forward at the hips, and extend your arm back, focusing on the triceps. Repeat on both sides.

5 Overhead Press: Use dumbbells or a barbell to perform overhead presses. Press the weights from shoulder height to fully extended arms overhead.

6 Plank with Shoulder Taps: In a plank position, tap one hand to the opposite shoulder while maintaining a stable core, engaging the shoulders and arms.

7 Resistance Band Pull-Aparts: Hold a resistance band in front of you and pull it apart by moving your arms to the sides. This targets the shoulders and upper back.

8 Lateral Raises: Using light dumbbells, raise your arms to shoulder height to the sides, engaging the lateral deltoids.

9 Hammer Curls: Similar to bicep curls, but with a neutral grip (palms facing each other), hammer curls work the brachialis muscle in addition to the biceps.

10 Battle Ropes: Swinging battle ropes engages the shoulders, arms, and core, providing both cardiovascular and toning benefits.

Source:- https://www.womenshealthmag.com/fitness/a20702885/arm-toning-exercises/