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Tech-nitis: New “Overuse Injuries” From Too Much Personal Technology

It’s not surprising to people that I’m a “techy” type of guy. Reading tech stories about the latest gadgets is a nice occasional escape from work. One of the ways that medicine and tech intersect is in some “overuse injuries” that I’ve seen and talked with people about. When the Nintendo Wii first came out, there were many stories of “Wii-itis” and tendonitis-related injuries.

Last week American Medical News interviewed me for a story posted on their site [on September 27th] called “New Personal Technology Creating New Ailments.” The article opens like this:

When Mike Sevilla, MD, sees young patients at his Salem, Ohio, family practice, he often finds them text messaging or listening to music on portable media players. These tech-savvy patients may not realize it, but they could be on the way to developing health problems related to overuse of personal technology. That’s why Dr. Sevilla uses such exam room encounters as a springboard to talk about the potential health impact of today’s tech devices.

“I talk about listening to loud music and being distracted while driving. … I bring up those examples of people who were hurt or killed because they could not disconnect themselves from their cell phone,” he said. Dr. Sevilla and other physicians across the nation are adding questions about cell phone use and computer habits to the office visit at a time when dependence on electronic devices has reached unprecedented levels.

The article goes on to say that the most common physical problems that are seen include problems with vision, elbow, thumb, and wrist. These are due to prolonged use of computers and mobile devices like cell phones and electronic handheld devices. Read more »

*This blog post was originally published at Doctor Anonymous*

Cell Phone Elbow?

Last Tuesday, this tweet from @AllergyNotes caught my eye.

Call cubital tunnel syndrome a “cell phone elbow” and you make the front page of and

Cubital tunnel syndrome I know, but I had not heard it called “cell phone elbow.”  The first link is to the Cleveland Clinic Journal of Medicine article (full reference below).  It is an excellent article and well worth reading.  The second link is to CNN news article picking up the “cell phone elbow” line.

Cubital tunnel syndrome is a nerve compression syndrome (like carpal tunnel syndrome).  In the case of cubital tunnel syndrome, the nerve involved is the ulnar nerve and the location is at the elbow.  From the article

… the ulnar nerve as it traverses the posterior elbow, wrapping around the medial condyle of the humerus. When people hold their elbow flexed for a prolonged period, such as when speaking on the phone or sleeping at night, the ulnar nerve is placed in tension; the nerve itself can elongate 4.5 to 8 mm with elbow flexion……..

As with other nerve compression syndromes, the clinical picture is representative of the nerves enervation.  In the case of the ulnar nerve, this involves numbness or paresthesias in the small and ring fingers.   There may also be numbness of the dorsal ulnar hand which will NOT be present if the ulnar nerve  compression is in the Guyon’s canal at the wrist level (distal ulnar nerve compression).  If the compression is chronic enough, the symptoms progress to hand fatigue and weakness.  The small intrinsic muscles of the hand are important in hand strength needed to open jars.   More from the article

Chronic and severe compression may lead to permanent motor deficits, including an inability to adduct the small finger (Wartenberg sign) and severe clawing of the ring and small fingers (a hand posture of metacarpophalangeal extension and flexion of the proximal and distal interphalangeal joints due to dysfunction of the ulnar-innervated intrinsic hand musculature). Patients may be unable to grasp things in a key-pinch grip, using a fingertip grip instead (Froment sign).

It may be an old joke (Patient: Doctor, it hurts when I do this.  … Doctor: Well don’t do it.), but in the case of cubital tunnel syndrome it fits.  Prevention is key.  Prolonged extreme flexion of the elbow (elbows bent tighter than 90 degrees) is not kind to the ulnar nerve.  Switch hands or use a head set or blue tooth.


Q:What is cell phone elbow, and what should we tell our patients?; Cleveland Clinic Journal of Medicine May 2009 vol. 76 5 306-308 (doi: 10.3949/ccjm.76a.08090); Darowish, Michael MD, Lawton, Jeffrey N. MD, and Evans, Peter J MD, PhD

Cubital Tunnel Syndrome: eMedicine Article, Feb 9, 2007; James R Verheyden, MD and  Andrew K Palmer, MD

*This blog post was originally published at Suture for a Living*

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