Brain-computer interfaces have been utilized in the past to control artificial devices that replace missing body parts. They have focused on reading signals from the motor cortex, the part responsible ...

PITTSBURGH -- Pittsburgh left-hander Bailey Falter was removed from his start in the third inning Saturday against the New York Mets because of what the Pirates said was left posterior arm discomfort.

The arm extends from the shoulder to the wrist, including the upper arm and forearm. Different muscles may work together in intricate ways to help the arm, wrists, fingers, and hands function. Knowing ...