Lateral (radial) side of the arm

zone 4

sì bù wèi 四部位

Lateral (radial) surface of the arm-Lateral humerus

shàng bì wài cè-gōng gǔ wài cè 上臂外側-肱骨外側

Zhèng jí yī

Correct spine one 正脊(一)

Zhèng jí èr

Correct spine two 正脊(二)

Zhèng jí sān

Correct vertebral (crest) three 正脊(三)