Ulnar Nerve Entrapment

An injury to the elbow such as a dislocation orentrapment is a matter of refraining from the activity
fracture can tear or inflame the ulnar nerve, whichthat causes it. However, you may increase the
extends down the arm, across the elbow, and intostrength of the forearm and range of motion of the
the hand. The inflamed nerve can swell and becomewrist, which speeds up recovery and prevents the
trapped, causing a condition called ulnar nerveinjury from recurring.
entrapment or cubital tunnel syndrome.Rehabilitation exercises
DiagnosisThe exercises below increase the strength of the
Although the problem is in the elbow area, mostforearm muscles. They should be performed to the
symptoms occur in the hand and fingers because thepoint of initial pain only. You may increase resistance
ulnar nerve controls movement and sensation there.only when the exercise can be performed with no
Both sensory and motor skills are affected.pain, for the designated number of repetitions.
Symptoms of an ulnar nerve entrapment include:# Wrist extensor
# tenderness along the inside of the elbowSit next to a table with the injured forearm on the
# tingling and numbness in little and ring fingerstable surface with the wrist at the end of the table
(especially at night)and the palm down. Hold a two- or three-pound
# numbness in your hand when the elbow is bent,dumbbell in the injured-side hand and raise it as high
such as when you drive or hold a telephoneas pain permits or until the back of the hand is level
# difficulty with hand coordination (such as whenwith the table top. Hold this position for 5 seconds.
typing or playing a musical instrument).Relax the arm and hand for 10 seconds. Perform this
# decreased grip and pinch strength, musclesequence 10 times, 3 times daily. Increase the range
weaknessof the exercise motion as pain permits until the back
# pain along the inside border of the shoulder bladeof the hand is level with the table top at each
If you experience any of these symptoms, contact arepetition. When this is possible, increase the amount
physician. Early diagnosis and treatment is essential toof resistance by one-half pound.
controlling symptoms.# Wrist flexor
A physician can use several methods to diagnoseSit next to a table with the injured forearm on the
ulnar nerve entrapment. Your own description of thetable surface with the wrist at the end of the table
symptoms is a primary source of information. If youand the palm up. Hold a two- or three-pound dumbbell
have experienced a fall, blow, or other injury to thein the hand and raise it as high as pain permits or until
elbow, the physician may request an x-ray. Thethe weight is level with the tabletop. Hold this position
physician may also apply pressure around the nervefor 5 seconds. Relax the arm and hand for 10
to see if pain or tingling results, check to see if theseconds. Perform this sequence 10 times, 3 times
hand muscles are weakening, or do an electricaldaily. Increase the range of motion as pain permits
stimulation test to see how well the nerve conductsuntil the weight is level with the tabletop at each
sensory information.repetition. When this is possible, increase the amount
Treatment Optionsof resistance by one-half pound.
Non-surgical Treatment Options# Wrist extensor
# Keep the elbow as straight as possible. A straightAssume a hands-and-knees position, with the back of
elbow puts less pressure on the ulnar nerve.the hands on the floor and fingers pointed toward
# Avoid crossing your arms across your chest.the knees. Slowly rock forward, placing weight on
# If you frequently use the telephone, consider usingthe hands and wrists to the onset of pain. Hold this
a headset or cradle attachment, so you do not haveposition for 5 seconds. Rock backward, relieving the
to hold the telephone to your ear with a bent elbow.wrists and hands of the body weight, and relax for
# Adjust your workspace so that you do not have10 seconds. Perform this sequence 10 times, 3 times
to bend your elbow more than 30 degrees and youdaily. As pain permits, increase the amount of weight
can keep your wrist in a neutral position.transferred to the hands and wrists.
# Consider wearing a splint at night. Something as# Wrist flexor
simple as a towel wrapped around the elbow canAssume a hands-and-knees posture, with palms on
help keep it straight.the floor and fingers pointing forward. Slowly rock
# Use elbow protectors if you play sports to avoidforward, placing weight on the hands and wrists until
bumping the elbow.the onset of pain. Hold this position for 5 seconds.
# If muscle atrophy and numbness continues,Rock backward, relieving the wrists and hands of the
corticosteroids may be used to reduce swelling andbody weight, and relax for 10 seconds. Perform this
pressure.sequence 10 times, 3 times daily. As pain permits,
Surgeryincrease the amount of weight transferred to the
If conservative treatment is not effective andhands and wrists.
muscle strength continues to weaken, furtherAlternative exercises
evaluation and surgery may be needed. There areDuring the period when normal training should be
several surgical options. The most frequent type ofavoided, alternative exercises may be used. These
surgery (anterior submuscular transposition) movesactivities should not require any actions that create
the nerve from behind the bone to the front of theor intensify pain at the site of injury. They include:
elbow. After the surgery, treatment must focus on# swimming
maximizing the use of the hand and arm through# jogging
physical therapy. This process can take several# stationary bicycle (without pressure on the
months.handlebars, if pain permits)
How can I prevent ulnar nerve entrapment?How long will the effects of the injury last?
Because ulnar nerve entrapment is caused byRecovery time from ulnar nerve entrapment varies.
overuse, the best way to prevent it is to avoid theUsually, return to full activity depends on how long it
activities that caused it. Because this is oftentakes for the inflammation of the ulnar nerve to
impractical, it is recommended that the activity beremit. In most cases, with appropriate treatment and
modified to reduce the likelihood of recurrences.avoidance of the activity that caused the condition,
If you are a bicyclist, you should have your doctorinflammation and pain disappear within two to four
evaluate your position on the bicycle and makeweeks. However, some severe cases may last eight
adjustments to assure that the weight is not too farweeks and longer. An early return to your sport
forward and supported by the hands on thebefore your symptoms are gone may cause a more
handlebars. Sometimes it helps to wear paddedserious condition that might require surgery.
gloves, or add padding to the handlebars.When can I return to my sport or activity?
Shifting position of your hands from time to timeReturn to full participation in the activity that caused
during prolonged rides and generally not staying inthe injury should be avoided until all symptoms are
"down position" for more than 10 or 15 minutes at agone. However, it is possible to make a partial return
time may also help. Baseball players should make sureto activity as long as pain permits. For example, a
that their bat suits them well, and also have thebicyclist suffering from ulnar nerve entrapment may
biomechanical analysis of their swing checked tocontinue to cycle in an upright position that does not
identify correctable form flaws that could lead torequire body weight to be supported by the hands,
ulnar nerve entrapment.wrists, or forearms. The baseball player may practice
Improving sports performancefielding skills, the golfer practice putting (if it is not
The key to improving sports performance afterpainful), and the tennis player practice ground strokes
recovering from ulnar nerve entrapment is a properthat do not cause pain.
rehabilitation program, and adhering to some of thoseRemember: The goal of rehabilitation is to return you
same principles after the injury is goneto your sport or activity as soon as is safely possible.
Ulnar nerve entrapment rehabilitationIf you return too soon you may worsen your injury,
As an athlete, your number one concern is gettingwhich could lead to permanent damage. Return to
back to full strength as soon as possible so that youyour activity is determined by how soon your ulnar
can return to training and competition. That is whynerve entrapment recovers and full range of motion
appropriate rehabilitation is extremely important.is restored, not by how many days or weeks it has
Unfortunately, rehabilitation for ulnar nervebeen since your injury occurred.