palpating to find greater trochanter and knee joints; divide the vertical distance between these two landmarks into thirds; inject into the middle third.

locating the acromion process; inject only into the upper third of muscle that begins about two fingerbreadths below the acromion.

locating the greater trochanter, iliac tubercle, and iliac crest; places palm over the greater trochanter, over iliac tubercle, along the ileum; inject into center of V formed by the fingers.

displacing the skin by pulling the skin down or to one side about 1 inch with the non-dominant hand before administering the injection.