Now lower the dumbbells by bending the elbows slightly, and lower them only to a level parallel to the floor. (exercisegoals.com)
You should keep your upper arms at 90 degrees to your body, while slightly bending your elbows as you raise your arms to the sides. (fitnessandpower.com)
Slowly bend your elbow, bringing the handle down towards your head and your arm into a 90 - degree angle. (womenshealthandfitness.com.au)