5/16

My intention is not to rehash the endless IM versus Subq debate around here. I am merely curious whether a shorter 5/16" needle can be used in deltoid for shallow IM. Most including myself would typically use a minimum of 1/2" for shallow IM. However, I find that 1/2" occasional gives a...

Lately I’ve been injecting daily with a 5/16 (8mm) 30G needle in my deltoids. I wonder if this is still considered a shallow IM injection or rather subq? I’m fairly lean (14%) and my shoulders are muscular from heavy lifting for years. Any ideas?