Numbness is the inability to feel anything when your skin is touched.
It may feel like the part you touch does not belong to you. Tingling
(paresthesia) is a pins-and-needles sensation, like when your hand falls
asleep. If you bump your "funny bone," you may feel intense pain
with numbness and tingling shooting down your arm. This feeling is not serious,
lasts only briefly, and will go away on its own.
Numbness and tingling may mean that
nerves have been injured or pinched, swelling is
putting pressure on nerves, or blood vessels have been injured. This can occur
gradually from an overuse injury or from a sudden (acute) injury, such as a
fracture, dislocation, or severe sprain. It is normal to have temporary changes
in feeling after an injury or when you have swelling. Home treatment may help
relieve swelling that can cause numbness or tingling.
They're easy to confuse. But a dislocated shoulder and a separated shoulder are two distinct injuries. Here's the rundown.
Dislocated shoulder. In this injury, a fall or blow causes the top of your arm bone to pop out of the shoulder socket.
Unlike a lot of joints in your body -- your elbow, for instance -- the shoulder is incredibly mobile. You can twist and move your upper arm in almost any direction. But there's a price for this ease of movement. The shoulder joint is inherently unstable,...