How to pronounce “upper arm” in English

which is this upper arm bone here.

Around this guy's upper arm, you can see on one side he's got bangles, including a white one.

If you compare the length of the upper arm bone, the humerus, with the thigh bone on the lower right there, the femur,

So what I'd like you to do is move from this position and just create a right angle with your upper arm

And all the bite marks are on one bone, the humerus, the upper arm bone.

And now, this person is able to go and fortify their bones, so strengthen their bones, especially the ones in the lower back, the hips, the wrists, the upper arm.