手背朝上,第二掌骨與第三掌骨之間,距掌指關節近端一寸半處。即上白穴近端一寸 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Please enter an answer in digits:3 × four =