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i was reading the 25 step injection tek and ame across this


22. Holding the syringe steady, inject the steroid steadily and slowly by depressing the plunger until all of the steroid is injected. The air bubble in the syringe should follow the steroid and will “pack” the steroid down into your muscle. There will be a slight a “pop” as the bubble leaves the syringe.


any one have any info on using an air bubble, im curious to as how big of a bubble .25ml bubble? and this pop sound make me think of pain,will it cause pain and or damage to muslcle by injecting air?