Issues

Issue 14 — Winter 2011 Cover

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Issue 14 — Winter 2011

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  • 2011 WFTDA Championships Recap
  • Merch 101
  • Concussions
  • Mental Training
  • Heel pain
  • Unsung Heroes: Referees
  • Should I Upgrade My Plates?
  • Endurance Practices
  • Plus more, including Battle of the Nordic Light recap, derby at 15, a handy dandy guide to wheels, WFTDA taking the big 5 to the next level

In This Issue

Concussions

Papa Doc, Windy City Rollers

Concussions are a common injury in contact sports. Individual events of concussion can range from a simple “ding” to emergency medical problems. Importantly, recent medical evidence of the possible long-term serious consequences of repeated concussions forces us to be more careful dealing with our skaters.

definition:

As we currently understand a concussion, the injury is a change (probably chemical) in the brain function induced by acceleration-deceleration and shearing forces on the soft brain inside the hard skull, rotational forces being more damaging than straight linear force. Actual structural changes are not demonstrated by imaging (CT, MRI) in the case of a concussion. Repeated concussions or a single severe concussion have the potential to induce long-term changes in the brain function. On the good side, most who suffer one or more concussions will not have long-term effects. On the bad side, some will. Unfortunately, at this point, we do not have a 100% way of predicting which skater will have long-term consequences from concussions, although amnesia for events before injury suggests a more serious concussion. We are left with careful monitoring and ensuring brain healing has time to take place.

diagnosis:

An event occurs during which the head is violently shaken – the event does not have to involve a direct head blow. The symptoms that can occur in various combinations and severity are: headache, pressure in the head, neck pain, nausea, vomiting, dizziness, blurred vision, amnesia for events before or after the injury, balance problems, sensitivity to light and/or noise, feeling slowed down, feeling as if in a fog, difficulty concentrating, difficulty remembering, feeling fatigued, confusion, drowsiness or trouble falling asleep, more emotionality than normal, irritability, and nervousness. The victim of a concussion will demonstrate difficulty in balance, concentration, mental function, and behavior. Note: a loss of consciousness is not actually a common symptom, resulting in under-reporting of concussions. Please, if you suffer the mentioned symptoms or signs, report them to your medical team.

If there is a loss of consciousness, evaluation in an emergency room (ER) is needed. If there is no loss of consciousness, the severity and number of symptoms will determine whether the skater will need to go to the ER. ALL skaters with symptoms and signs of a concussion must be evaluated by the team medical personnel and be excluded from play that day. Evaluation in the ER may include brain scans and referral to a specialist in neurological injuries. There is a useful evaluation form (SCAT2) that can be used to evaluate and to follow a concussed skater. The whole document is available at nata.org in the Journal of Athletic Training, 2009:44(4):434-448. There is a short, on-the-field evaluation form, as well as a lengthier evaluation form, useful for initial evaluation and follow-up. It is important to remember that other more serious brain injuries can begin with mild concussion-like symptoms and progress in hours to a dangerous situation. That is why a concussion must be evaluated by medical personnel.

treatment:

First, because a more serious brain injury that does not show up right away can start out with symptoms similar to a concussion, the injured person should be monitored by someone for 24–48 hours. It may be necessary to waken the victim every 2–3 hours during the night to ensure their sleep is normal sleep, not unconsciousness. Nausea or vomiting may occur after a concussion, so the injured skater should have a bland, mainly liquid diet for 24–48 hours. Because of possible problems with concentration, confusion, and mental slowness, the victim should not drive or operate dangerous equipment for 24–48 hours, possibly longer.

Prevention of another injury until the brain heals chemically is critical. Second impact injury (another injury to the brain before healing has occurred) can result in dangerous and chronic dysfunction of the brain, including death. The skater must rest mentally and physically until the signs and symptoms have fully resolved and do not flare upon resuming mental and physical activity.

Rest is the only actual treatment for concussion. This means both physical and mental rest. The hardest part is resting the brain, but it is the most important part of “treatment”. This involves not using the brain for anything other than basic life functions until the symptoms subside. Initially for a day or two, a quiet, dimly-lit environment is beneficial. Reading, tasks requiring mental effort and concentration, watching TV, and the like should be avoided until the symptoms subside. Ideally, this involves time off work. Physical rest is also needed. If the symptoms subside but re-occur on resuming mental and physical activity, rest must be resumed.

Pain treatment for the head or neck pain may be needed. Rest and ice bags will often be sufficient. If not, acetaminophen (Tylenol is one brand) is all right. Aspirin and NSAIDS (ibuprofen, naprosyn, and the like) must be avoided because they promote bleeding. Although bleeding is not a result of a concussion, the concern is that a more serious injury involving bleeding may present with concussion symptoms initially. Sedative and narcotic medicines must be avoided because they mask important symptoms or cause symptoms that mimic head injury such as dizziness, lethargy, or nausea. If the skater is on regular medications (prescription or over the counter) for another unrelated medical condition, a doctor must be consulted as to whether the medicine is okay to continue. Alcohol and hard drugs are absolutely contra-indicated.

return to play (rtp):

Because each concussion is so individualized, the RTP must be individualized for the skater. Blanket rules don’t work well. In general, the milder the concussion, the sooner RTP can happen. The time frame may be a week to as long as several weeks. But it must be under the supervision of the skater’s own physician and the team medical staff working together. The key determinant is that the symptoms and signs must have resolved completely AND must not start up with the resumption of normal, non-sport activities. Once that is true, gradual return to sport-related, but non-contact activities is instituted. If the skater remains symptom-free, then gradual return to contact sport activities can be done. There are instances where the skater will be well and return to contact sport activities but have a relapse of symptoms some days to weeks later even without a new head trauma. This is known as post-concussion syndrome and requires further medical evaluation with a neurologist.

prevention:

It is obvious that complete prevention of concussion in contact sports is not possible. But the use of a well-fitted, well-made helmet and mouth guard helps reduce the likelihood. This is the reasoning behind prohibiting hits above the shoulders and using the head to block. There is evidence that increasing the neck strength may reduce the forces generated in falls by reducing the violent shaking of the head. This is still being investigated, but strong flexible neck muscles are helpful in reducing neck injuries in any case. Preventing the long-term consequences of repeated concussions requires that skaters be honest in reporting symptoms in the first place and following the medical advice carefully. This will give the best chance for the brain to “heal” and allow the best chance for the skater to return to derby safely and soon. Some investigation into using neuropsychological testing before and during the sports season as guides to diagnosing and managing concussion is being done. This is not currently available widely due to the time and expense involved.

In short, “use your head”, report your symptoms, and don’t “lose your head”.

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