This small or intermediate arm connects the more substantial next inner arm and the next outer arm. (maa.clell.de)
The pregnancy stretch marks often appear in the abdominal area and other areas in your body such as breasts, waist, hips, upper inner arms, and even thighs. (kaboutjie.com)
At least one even outer arm, and two more inner arms have been identified. (maa.clell.de)