A client is to receive an intramuscular (IM) injection in the ventrogluteal site. Why is the ventrogluteal site preferred over the dorsogluteal site for IM injections?

VENTROGLUTEAL SITE — THE PREFERRED IM SITE: LOCATION: Place the palm on the greater trochanter, index finger on the anterior superior iliac spine, middle finger toward the iliac crest, inject in the V between fingers; ADVANTAGES: Free of major nerves and blood vessels — notably AWAY from the SCIATIC NERVE (the danger of the older dorsogluteal site); thick gluteus medius and minimus muscle; safe for adults and children > 7 months; accommodates up to 3 mL; DORSOGLUTEAL (older site, now discouraged): Risk of sciatic nerve injury and inadvertent intravascular injection; no longer recommended as first choice; OTHER IM SITES: Deltoid (small volume ≤1 mL, vaccines); vastus lateralis (preferred for infants, large muscle); IM TECHNIQUE: 90-degree angle, appropriate needle length for muscle depth, aspiration is no longer routinely recommended for vaccines (CDC guidance) but may be used per facility policy for other IM meds; LPN role: select the safest site, use correct technique, rotate sites.