- http://www.scimath.org/socialnetwork/groups/viewbulletin/721-ระบบกล้ามเนื้อ+(Muscular+system)?groupid=181
- http://muscularsystemmwits42.blogspot.com/2012/06/test.html
- http://www.thaigoodview.com/node/32442
- http://www.trueplookpanya.com/true/knowledge_youtube.php?youtube_id=274
- http://www.learners.in.th/blogs/posts/493050