Passive elbow flexion is more painful than extension. Wrist extension, finger adduction, finger abduction, finger extension, and thumb abduction may all be weak. If the deltoid muscle is involved ...

A glove-like robotic exoskeleton hand may help pianists improve their skills without risking injury from overpractice. Inspired by traditional teaching methods, researchers have created a device that ...

UNDER the above heading in your issue of January 18, 1872, Dr. Elliot Coues describes the peculiar movements made by the bones of the wing of the bird in flexion and extension. It may interest ...