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Avoiding Wrist Injuries While Snowboarding

Posted by Douglas W. Stoddard MD, M Sp Med, Dip Sport Med, ES on 15 June 2015
Avoiding Wrist Injuries While Snowboarding

Snowboarding is the fastest growing winter sport in North America. Sherman Poppen invented snowboarding in 1965, when he bolted two skis together and named his invention a 'Snurfer'. Poppen, it would seem, boarded by himself for a decade or so because commercial snowboards did not become available until the late 1970's.

Ski resorts were not impressed. In the early years of the sport, snowboarders were not permitted on the mountains. At the time, the majority of snowboarders were young males and the ski resorts regarded them as a fringe, undesirable clientele. Today, snowboarders account for 20 percent of the visitors to U.S. ski resorts. This number is higher in other regions of North America that have become 'hotbeds' of snowboarding. The local mountains surrounding Vancouver might show a percentage of snowboarders closer to 50%. The male to female ratio of snowboarders has dramatically decreased over the last 10 years from 9:1 to 3:1. Age demographics have also been crossed in recent years. Snowboarding reached the height of its credibility in the world of sport when it was introduced as an official Olympic Sport at the 1998 Winter Games in Nagano, Japan.

Injury Patterns Between Boarders and Skiers

Injuries sustained by boarders usually involve the upper extremity, whereas skiing injuries typically involve the lower extremity. This difference is likely due to the fundamental difference between the two sports; snowboarders ride with both feet affixed to a single board by non-releasable bindings. When balance is lost during snowboarding, the rider is unable to release his feet from the board and usually has to break a fall by reaching for the ground with arms extended. This potential mechanism for injury is called a FOOSH injury (Fall On Out-Stretched Hand). This mechanism may result in an injury of the wrist, elbow, and/or shoulder. Snowboarding injury statistics suggest the wrist is the most common joint to be injured during a fall, commonly resulting in a ligament sprain or bone fracture.

Wrist Anatomy

The wrist is a complicated joint and involves the articulation of several bones. The forearm is made up of two bones, the radius and the ulna, running parallel to one another to form one joint surface. The radius and ulna then articulate with the carpal bones, two rows of four small bones. The wrist joint is then reinforced with a complicated arrangement of ligaments that reinforces the stability of the joint while maintaining mobility. A FOOSH mechanism may result in a fracture of any of these bones, or sprain of any of these ligaments. A severe ligament sprain could compromise the stability of the joint and allow dislocation. A fracture could be complicated with an associated dislocation.

Signs and Symptoms of Injury

Wrist Sprain

A wrist sprain is characterized with localized pain and tenderness. All wrist movements may increase pain, but specific movements will likely intensify the pain more than others. Swelling may present shortly after injury. At the time of injury, an audible "pop" may be heard. Ligament injury may range from mild to severe. A mild sprain may allow the boarder to continue boarding the rest of the day. A moderate to severe sprain may require assistance from the ski patrol to safely reach the bottom of the mountain and receive appropriate intervention.

Wrist Fracture

At first, it may be difficult to determine the difference between a fracture and a moderate/severe ligament sprain. Usually, a fracture will present with greater pain intensity and a decreased willingness to move the joint. Movement in any direction will increase pain. An audible "snap" or "crack" sound may be heard. In some cases, a noticeable deformity may exist close to the wrist joint.

Note: A severe sprain may be a fracture. See a physician to assess the severity of the injury. Only an x-ray can reliably determine whether a fracture has occurred.

Treatment

Wrist Sprain

Early treatment of a wrist sprain begins with ice, as it will help to decrease/minimize swelling. Rest is also important during early stages, the amount of which is dependent on the severity of the injury. Therapy may consist of mobility exercise in early stages, progressing to strengthening exercises as the healing process continues. Joint mobilization by a therapist may also be required to correct biomechanics of the injured wrist.

Wrist Fracture

Fractures are usually cast for a period of time to restrict movement and to allow bone healing. After a prolonged period of immobilization, a joint becomes very stiff and the surrounding muscles atrophy. Joint mobilization and exercise are initiated at this time to address these issues.

Prevention

Wrist braces, similar to those worn by inline skaters, have been recommended by various health professionals to wear while snowboarding. Controversy exists with regard to the efficacy of wrist braces and their ability to prevent snowboard injuries. An argument has been proposed that wearing a wrist brace during a FOOSH fall will simply transmit the sustained forces higher up the forearm to the edge of the brace. The edge of the brace is then thought to act as a fulcrum of force, which could result in a fracture of the upper arm. At this time, statistics have not shown a great incidence of upper forearm fractures while wearing a brace snowboarding. Isolated cases of upper forearm fractures have been reported, but compared to the thousands of potential wrist injuries which may have been prevented by wearing braces, the benefits may outweigh the risk.

Another suggestion proposed is to teach beginner snowboarders to fall with a clinched fist. A clinched fist may help keep the wrist closer to the joints' neutral position (the mid-position between flexion and extension). During a FOOSH fall, the wrist impacts the ground in an extreme range of forced extension. Forced extension is a very vulnerable position of the wrist joint and is the reason a FOOSH fall can result in such significant injuries.

Still feeling the effects of a recent FOOSH fall of your own? SEMI's sports medicine doctors can test, assess, and provide the necessary mobility and strengthening exercises to get you back on the slopes. Contact one of our sports medicine clinics in Toronto today!

 

References:

    First Aid: The Vital Link by Red Cross
    www.about.com - Wrist Sprains
    www.ski-injury.com
    www.clinicalsportsmedicine.com

Melody Lee  BSc. RMT
Massage Therapist
Acupuncture (Current Study)

Printed: February 2005
Copyright ©2005 SEMI

Author: Douglas W. Stoddard MD, M Sp Med, Dip Sport Med, ES
About: Dr. Douglas Stoddard is a sports medicine physician and is the Medical Director of the Sports & Exercise Medicine Institute (SEMI). After receiving his medical degree from the University of Toronto, he trained in Australia at the Australian Institute of Sport in Canberra, obtaining his Master Degree in Sports Medicine. He is also a diplomat of the Canadian Academy of Sport and Exercise Medicine and has his focussed practice designation in Sport Medicine from the Ontario Medical Association. Dr. Stoddard is a consultant to the Canadian Military and has consulted with well over 30,000 unique patients in his career. Dr. Stoddard is constantly searching for new and promising therapies to help SEMI patients, and is responsible for developing the RegenerVate Medical Injection Therapy Program. He is married and the proud father of two boys, is an avid triathlete and occasional guitar player.
Tags: Prevention Upper body

 

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