Site Selection and Injection TechniquesIntravenous Therapy: Basics and Venipuncture Medcom, 2016. 24 min. This series of short videos identifies commonly used sites for intramuscular and subcutaneous injections, and discusses considerations for site assessment and selection. The techniques for intramuscular and subcutaneous administration of medication are demonstrated using a step-by-step process ending with documentation. Emphasis is placed on the "z-track" method of intramuscular injection. From series Intravenous Therapy: Basics and Venipuncture.