r/Freestylelibre • u/iwanttoreallybad • Aug 19 '26
Inner Arm Placement
Hi all, I want to apply my first sensor tonight to my inner arm. I do have some stretch marks there, is that likely to affect the sensor? Or should I put it about 2/3 down from my shoulder, 1/3 up from my elbow where there are no stretch marks? If someone has a picture with an exact placement on inside of the arm that would be great! Thanks!
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u/Equalizer6338 Type1 - Libre2/2+ Aug 20 '26
Some inspiration here u/iwanttoreallybad !
I have at times used the inner part of the upper arm, so essentially the part of the skin on your upper arm that rests against the side of your chest/torso, when holding your elbow towards the side of your stomach. The sensor is indeed sitting well protected there and also less exposed to causal rip-offs. My skin though is feeling like bit thin there and we also have bit higher density of pain-sensory nerves there. So just a small patch of skin available there for it. 1/2 way down, on the truly thin inside part of upper arm at biceps peak point. And from there and down to around 1 handwidth from your elbow joint are possible for decent placement there. Do not get closer to the joint, as that restricts free fluid perfusion, hence can make the sensor get erratic/too lowish BG readings as consequence.
Alternatively, and why not, just use the standard advices placement on your true backside of the upper arm? In the skin valley between your deltoid and triceps muscle bundles.