G GonnaBeAGearHead New member Jul 14, 2001 #2 Lumps occur when you don't get your oil far enough into the muscle. You should always use a 1.5" pin for glute injections and bury it all the way in. This will ensure a good solid IM injection.
Lumps occur when you don't get your oil far enough into the muscle. You should always use a 1.5" pin for glute injections and bury it all the way in. This will ensure a good solid IM injection.