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Sierra Samaritans - National Ski Patrol

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d a clear difference indicating that bracing increased knee stability.<br />

may also protect the native ACL?<br />

Unfortunately, that question has not been<br />

directly studied among skiers as it has<br />

been among college football players.<br />

While there really isn’t enough data to say<br />

for sure, my own experience would suggest<br />

that it’s likely.<br />

So we are left with many more questions<br />

than answers. What we do know is<br />

that 1) ACL tears are extremely common<br />

among many professional athletes and<br />

weekend warriors, especially skiers; 2)<br />

ACL reconstruction is a highly effective<br />

but painful intervention with a 16-week<br />

or longer rehabilitation period; 3) temporary<br />

ACL bracing is generally recommended<br />

after surgery to protect the graft<br />

during its most vulnerable phase; 4)<br />

reconstructed ACLs can be re-ruptured;<br />

and 5) there is solid experimental evidence<br />

that bracing reduces strain on the<br />

ACL graft during the healing process.<br />

What we don’t know for sure is<br />

whether bracing will reduce the risk of rerupturing<br />

the ACL or even prevent ACL<br />

tears in the first place or well after rehab.<br />

One brace manufacturer, DonJoy, is so<br />

confident that its top-of-the-line brace<br />

can prevent re-rupture of the ACL that<br />

the company says it will actually pay a<br />

portion of the bill if you re-rupture the<br />

ACL graft while wearing the brace.<br />

Clearly we need more data to answer<br />

this central question. In the interim, as I<br />

continue to recover from what my wife<br />

insists had better be my last ACL reconstruction,<br />

I’m left to ponder the fate of my<br />

brace. Certainly, being able to pass the<br />

PSIA Level III exam without an ACL and<br />

while braced has endeared the device to<br />

me. I feel a subjective sense of support<br />

and security when I wear it, and studies<br />

would indicate that I also experience an<br />

objective increase in support. What little I<br />

lose in range of motion because of the<br />

brace I more than make up for knowing<br />

that the strain on the knee is relieved<br />

while wearing it. Without the brace, I<br />

would not have been able to ski at all.<br />

For Eric Schlopy, even the slight<br />

weight, drag, and movement restriction<br />

of a brace can mean the difference<br />

between winning and losing. But I’m not<br />

Eric Schlopy. I want to ski and ski well,<br />

but I hardly notice drawbacks from the<br />

brace. What I do notice is my increased<br />

sense of stability and confidence. I might<br />

be weak-kneed, but I’m no wimp, and I’m<br />

not ready to succumb just yet. ✚<br />

References<br />

Boughton, B. “Prophylactic: Football Linemen<br />

Experience the Greatest Benefit.” The<br />

Magazine of Body Movement and Medicine<br />

June 2000: 21–25.<br />

Nemeth, G. et al. “Electromyographic Activity in<br />

Expert Downhill <strong>Ski</strong>ers Using Functional<br />

Knee Braces After Anterior Cruciate Ligament<br />

Injuries.” The American Journal of Sports<br />

Medicine 25, no. 5 (1997): 635–641.<br />

Beynnon, B.D. et al. “The Effect of Functional Knee<br />

Bracing on the Anterior Cruciate Ligament in<br />

the Weightbearing and Non-weightbearing<br />

Knee.” The American Journal of Sports<br />

Medicine 25, no. 3 (1997): 353–359.<br />

Beynnon, B.D. et al. “An In-vivo Investigation of<br />

Anterior Cruciate Ligament Strain: The Effect<br />

of Functional Knee Bracing and Attachment<br />

Strap Tension.” Paper presented at the annual<br />

meeting of the Orthopedic Research Society,<br />

Orlando, FL.<br />

Blickenstaff, K.R. et al. “Analysis of a Semitendinosus<br />

Autograph in a Rabbit Model.”<br />

American Journal of Sports Medicine 25, no. 4<br />

(1997): 554–559.<br />

Dr. Michael Patmas is the medical director of<br />

the Providence Ambulatory Care and Education<br />

Center in Portland, Oregon. He is a PSIA-certified<br />

Level III alpine ski instructor at Mount Hood<br />

Meadows, Oregon.<br />

W inte r 2005 | <strong>Ski</strong> <strong>Patrol</strong> Magazine 21

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