Some of Earth's largest climate systems may collapse not with a bang, but with a whimper. Surprisingly, experiments with ...

Hip flexor pain is commonly caused by sudden movements, stiff muscles, or trauma. Learn more about the symptoms and how it's ...

A recent study linking human pegivirus to Parkinson’s is leading scientists to examine the connection between other viral ...

Tsunamis form when a sudden event, like an undersea earthquake, displaces a large volume of water. Their size can vary ...

Others describe chorea as dance-like movements that are irregular, nonrepetitive, and spontaneous. Experts usually refer to hemiballismus as producing sudden, violent, and flinging motions.

Sudden movement, negative emotion can trigger ischemic stroke Susan Jeffrey February 12, 2002 0 Tue, 12 Feb 2002 21:30:00 ...

Sudden movements beyond that range, swinging an ax or a golf club, say, can cause spasms and pain as other parts of the body try to compensate.

Don't agitate the snake by making sudden movements or loud noises. Take any rattlesnake warnings seriously, such as the distinct rattling sound of its tail or a coiled snake with its head raised.