testicles testosterone muscle

Can I successfully inject subcutaneously T, HCG or TB500 in my glute while sitting down? I cannot remain in a standing position (without moving) due to knee injuries...

Hi I am 22, and got to know my testicles are 11 and 12 ml respectively (average being 15-25 ml) which kind of freaked me out as I've had testosterone in low range since last two years( Minimum 360 and max Upto 500) I got my semenalyis and discovered I am fertile with abundance of sperms. My...