Winnipeg Free Press - PRINT EDITION

Sports hernia: A pain in the gut

WHEN you think of a sport injury, what kind of problem comes to mind? You might consider an ankle sprain from twisting your foot hiking. Or perhaps a sore shoulder from playing volleyball, or a knee injury from planting your foot and twisting your leg in soccer. Even though abdominal injuries are not as common in sport as those mentioned above, they are not unusual. In fact, abdominal injuries can be quite painful and can last a long time.

Muscle strain

A muscle-strain injury is a familiar occurrence. The most common abdominal muscle injured is the rectus abdominus, the one that can produce the "six pack" appearance in avid body builders. The most common way to injure it is by over-working the muscle in weightlifting or abdominal crunches. The resulting pain can be made worse by movements that pull or stretch the muscle, or by doing sit-ups.

The treatment for a strain to the rectus abdominus includes an initial rest from aggravating activities, with optional use of an anti-inflammatory medication, ice or heat. Once pain is reduced, a rehab program that includes stretching and eventual strengthening exercises is a good idea. This is not a very easy injury to play through, as the pain can be very uncomfortable. Some patients find that wearing pelvic-compression shorts is helpful. If there is some tear to the muscle, it can take six to eight weeks before a return to sport can be considered.

Sports hernia

In sports that involve quick twisting and turning, such as ultimate frisbee, soccer and hockey, a strain or tissue disruption to the lower part of the abdominal wall can occur. This injury is known as a sports hernia. This is a different injury than the common types of hernias that create a noticeable bulge in the groin area. In fact, some sport medicine experts feel that sports hernias should not be labelled as hernias because they do not cause the same bulge that a true hernia does. The area of injury in a sports hernia is located where the abdomen meets the groin. A tear can occur involving the transverse abdominus, internal oblique or external oblique muscles. Fatigue and abdominal-wall weakness are thought to contribute to the development of sports hernias, with the adductor muscles of the hip out-powering the abdominal oblique muscles.

The onset of discomfort is usually gradual rather than a sudden event. Pain is made worse by stretching the leg backwards, or by doing sit-ups or twisting movements. Attempting to run or skate is usually uncomfortable. Sports hernia is a difficult diagnosis to make, since there is no test that can be ordered to prove that is does exist. A clinical examination is very important, and can reveal tenderness or a defect in the abdominal muscle tissue. Your physician needs to rule out other causes of abdominal and groin pain before arriving at a diagnosis of sports hernia. Conservative treatment is preferable, especially when no tear defect can be found. However, some patients require surgical intervention.

The anatomy is complicated in the groin and lower abdomen. Therefore, there are many possible injuries and medical conditions that can occur in this area. Unfortunately, many of the bone and muscle problems in this area are very slow to resolve. Try to get your diagnosis sorted out early so that you are not disappointed by the duration of your injury. If you are experiencing enough discomfort that you are having difficulty playing a sport, then it is time to get some medical and rehab assistance.

Dr. Maureen Kennedy MD, CCFP, FCFP, MSc, PhD(c) Kinesiology, Dip. Sport Med., is a sport and exercise medicine physician at Sport for Life Centre, www.sportmedicinecentre.ca

Readers are welcome to ask Dr. Kennedy questions, but due to the volume of requests, replies are not guaranteed.

askthedoctor@freepress.mb.ca

Republished from the Winnipeg Free Press print edition March 6, 2012 C1

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