A severe hit to the back of your arm
Falling on an outstretched arm
Rolling onto your outstretched arm while you sleep
A hard pull on your arm
Swinging your arm forcefully over your head
Symptoms of a shoulder dislocation can include:
Shoulder dislocation is when the top of your arm bone (humerus) moves out of place in your shoulder. The top of your humerus is shaped like a ball and fits nicely into the ball-shaped socket created by your scapula.
Shoulder dislocation can occur in a variety of ways:
Weakness, loss of feeling or tingling sensation
Pain in the shoulder when dislocated
Redness and swelling
Increase in pain when you increase shoulder movements
Feeling like your shoulder may dislocate or pop back into place
Numbness or tingling sensation in the arm
May experience a popping, squeaking, or clicking noise while performing certain shoulder movements
The shoulder is the most flexible joint in the body; it helps move your arm in any direction. However, the flexibility and increase in motion makes your shoulder less stable and more susceptible to injury.
Ligaments, muscles and bone hold the shoulder’s ball and socket joint together. When the ligaments, muscles or bone become overstretched, overused or injured, the shoulder becomes unstable. Shoulder instability occurs when the head of the upper arm bone is pushed out of the shoulder socket.
The most common cause of shoulder instability is impact trauma. Athletes who engage in contact sports like football, rugby or lacrosse are at a greater risk for shoulder instability. Also, household or occupational trauma such as falling down the stairs, falling from a height, or falling off a bicycle can cause shoulder instability.
Shoulder instability symptoms include:
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Phone: (516) 243-8506 - Fax: (516) 745-1189
The information available on this web site is provided for informational purposes only. This information is not intended to replace a medical consultation where a physician’s judgment may advise you about specific disorders, conditions and or treatment options. We hope the information will be useful for you to become more educated about your health care, orthopedic surgery and sports medicine decisions. Please call us with any questions.