A nurse is preparing to administer the hepatitis B vaccine to a client. Which of the following techniques should the nurse use to locate the deltoid muscle?

Place one finger across the acromion process and measure 3 fingerbreadths below to the midpoint and center of the lateral aspect of the upper arm.

Locate the middle third of the anterior thigh between the greater trochanter of the femur and the lateral femoral condyle.

Locate the center of the arm between the elbow and the shoulder.

Find the center of the anterior aspect of the thigh.