What is th proper needle length when giving an intramuscular injection in the ventrogluteal?

Answer is 1 1/2 inches.

Explanation:

Vantrogluteal is known to be an injection site, with both gluteus medius and gluteus minimus muscles, where the G. medius is found on top of G. minimus.

These two muscles are collectively known as gluteal muscle.

It is known to be the best site for intramuscular injection.

Note that, Parenteral is the general term used for medication given by injection.