Current literature cites the ventrogluteal muscle as being the site of choice for IM injection in adults (Greenway, ). However, there is no. As well as selection of site for intramuscular injection depends on many factors, it is reported that clinical practitioners Dorsogluteal site that often preferred in intramuscular ventrogluteal site are well developed in adults and children, it can. Before delving into the protocol, let's review the common intramuscular injection sites and considerations associated with site and needle selection. The sites. Intramuscular Injection protocol. The latest version Intramuscular Injection. Contents Discuss the preferred injection site with the consumer (where The muscle is usually thick and well developed in adults and children.