pinning

Switching over to ED injections and the volume is small enough to do with a half inch insulin syringe, been doing ventro glute, delt, and hip so far, any other sites I could hit with a 1/2 inch insulin syringe. Also is that too small for ventro IM injections don’t wanna be pinning sub q. I’m...

How many pins until a 'virgin muscle' usually isnt so stiff and sore from pinning in it? Do you think it is the needle making a hole itself or the oil itself inside that causes the muscle to become sore? I used to pin in my quads 8 years ago and havent since. Just tried again a few days ago and...