Parts and regions Scapular region肩胛区 Posterior region of the arm臂后区 Posterior region of the elbow肘后区 Posterior region of the forearm前臂后区 Dorsum of wrist and hand腕背及手背Parts and regions Scapular region 肩胛区 Posterior region of the arm 臂后区 Posterior region of the elbow 肘后区 Posterior region of the forearm 前臂后区 Dorsum of wrist and hand 腕背及手背