snowboarding injuries greak peak expo oct 30, 2010 jake d. veigel, md
TRANSCRIPT
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Snowboarding InjuriesGreak Peak Expo Oct 30, 2010
Jake D. Veigel, MDwww.cayugamed.org/
sportsmedicine
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My Experience• Residency training in Ogden, UT
• Sports medicine training at UMass
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Objectives• Briefly review history of snowboarding• Review common injuries seen in snowboarding
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History• 1965 “the Snurfer”
Sherman Poppen• 1969 “the Winterstick”
Dimitrije Milovich• 1977 Jake Burton and
Tom Sims• 1998 snowboarding in
Nagano Olympic games
• Fastest Growing winter sport
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Who Rides?• Age 25-34: 41 % • Age 35-44: 14 % • Age 45-54: 6 % • Age 55-64: 3 % • Age 65+: 2 %
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Equipment• The board• The boots• The bindings• The body
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Injuries
• Lower extremity– Both feet firmly attached to board (less twisting of
legs/knees)– Snowboard shorter than skis (shorter lever arm)– Usually softer boots (less ankle protection, less force
transmitted to knee)– Less ACL, more ankle injuries
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Injuries• Upper extremity injuries
– No poles– Feet perpendicular to direction of movement– Can’t stabilize by moving leg out– Fall backward (heel side) or forward (toe side) without poles to break fall– Wrist and shoulder injuries instead of skier‟s thumb
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Snowboarding Injuries
• Most common sites of injury:23% wrist17% ankle16% knee9% head8% shoulder8% trunk4% elbow7% other
Young AFP 1999
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Snowboarding Injuries
• 45% beginners• 31% intermediate• 23% expert
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Upper Extremity• Fractures (56%) > sprains (27%) > dislocations (10%) > contusions (6%)• Fractures: radius (esp. distal) > carpal bones (esp. scaphoid) > clavicle > humerus > ulna• Dislocations/subluxations: glenohumeral and acromioclavicular > elbow joints
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Wrist injuries
• Wrist injury more common with a backward (heel side) fall – 75% of wrist fractures
• Shoulder injury more common with a forward (toe side) fall
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12 year old snowboarder
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Treatment for Distal Radius Fractures• Evaluate alignment• Initially splinting• Casting for 4-6 weeks• Followed by protective splinting
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Scaphoid Fracture• Most common
fractured bone in the wrist
• Peanut shaped bone that spans both row of carpal bones
• Does not require excessive force and often not extremely painful so can be delayed presentation
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21 year old snowboarder
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Scaphoid Fracture Treatment
• Cast 6-12 weeks• Short arm vs. long arm• Follow patient every 2
weeks with x-ray• CT and clinical
evaluation to determine healing
• Consider surgery early
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Wrist Injury Prevention
• Snowboarders with wrist guards ½ as likely to be seen for wrist injury
• Large proportion of snowboarders do not use any protective equipment
Russell CJSM 2007Neidfelt CJSM 2008
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Snowboarding Ankle Injuries• 2nd most commonly injured site• 12-38% of snowboarding injuries vs. 5-6%
of skiing injuries• Leading leg (62-91%) > trailing leg• Sprains 52%, fractures 44%
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Snowboarder’s Fracture
• Fracture of the lateral process of the talus• Rare injury before snowboarding:
– <0.9% of ankle injuries– high energy trauma
• In snowboarding:– 2.3% of all injuries– 15% of ankle injuries– 34% of ankle fractures– 95% of talus fractures
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Snowboarder’s Fracture• Hawkins 1965 reported 13 cases of fractures of the lateral process of the talus• MVA or fall from height• Patients reported dorsiflexion and inversion at the time of injury
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Snowboarder’s Fracture
• Dorsiflexion and inversion has been the commonly accepted mechanism
• In snowboarding: landing after an aerial maneuver
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How it Happens?
Funk AJSM 2003
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Snowboarder’s Ankle• Ride with knees slightly flexed and ankles dorsiflexed, especially when riding toeside• Forward fall parallel to the direction of the board• Leading leg rotates toward the front of the board everting the dorsiflexed ankle• Board acts as a lever about the long axis of the foot, increasing torque
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Snowboarder’s Fracture• Three types
A. Type 1, a chip fractureB. Type 2, simpleC. Type 3, comminuted
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Snowboarders Ankle?• Anterolateral ankle pain, similar to an ankle sprain• May be occult or inconspicuous on radiographs• 40% missed at initial presentation• May be seen better with CT or MR
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Snowboarder’s Ankle Treatment• Casting and nonweightbearing• If type 2 or 3, then surgery if needed
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Prognosis• Early diagnosis important to decrease the risk of persistent pain from nonunion, malunion or subtalar osteoarthritis• Even with treatment, approximately 25% have pain at follow up
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Happy Riding