2. Home Page
This was termed the scapular stabilization test, and it appeared to be reproducible in all cases" With winging associated with trapezius dysfuction there is a marked drooping of the affected shoulder and lateral displacement of the scapula...
http://freespace.virgin.net/steven.fromm/index.htm

3. Neuroscience for Kids - Tourette Syndrome
Such movements include shoulder shrugging, eye blinking, and nose twitching. Examples of motor tics are an eye twitch, a shoulder shrug, or a head jerk. Examples of complex tics that would not be seen as purposeful would be repeated kicking...
http://faculty.washington.edu/chudler/ts.html

4. Savanna Baboon
Twitching (head, arms, shoulders), shoulder shrugging, muzzle wiping, and exaggerated grooming behavior. Shoulder shrugging and muzzlewiping are performed by a startled baboon-e.g. Wildlife images and photos and pictures, and photographyof...
http://sailfish.exis.net/~spook/babtxt.html