Chapter 14
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Transcript of Chapter 14
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Chapter 14
Snowsports and Mountain Biking
Emergencies
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Chapter 14: Snowsports and Mountain Biking Emergencies
Objectives (1 of 2)
• Describe injuries and illnesses caused by exposure to certain environmental conditions.
• Describe basic types of snowsports (fixed heel, free heel, snowboard, cross country, tubing) accidents and common injuries resulting from each accident type.
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Chapter 14: Snowsports and Mountain Biking Emergencies
Objectives (2 of 2)
• Describe the safety aspects of modern snowsports equipment.
• Describe methods of preventing accidents.• Describe common off-road bicycling injuries.
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowsports Injuries
• Overall injury rates have declined due to:
– More experienced participants
– Better instruction
– Better equipment
– Better trail grooming
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Chapter 14: Snowsports and Mountain Biking Emergencies
Fatalities
Accident Types Fatalities/Year (average)
Skiing and snowboarding
34
Lightning strikes 89
Bathtub falls 300
Auto accidents 42,000
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowsports Risk Factors
• Higher participant densities
• Time of day
• Lower 1/3 of race course
• Snow conditions
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Chapter 14: Snowsports and Mountain Biking Emergencies
Alpine Skiing Injuries
• Rates have steadily declined
• Relatively safe when compared with other outdoor recreational activities
• Mechanisms
– Rotational
– Nonrotational
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Chapter 14: Snowsports and Mountain Biking Emergencies
Alpine Skiing Injuries (1 of 4)
• Ankle – Boot-top fracture– Spiral fractures
• Knee – ACL sprains– MCL sprains – Phantom foot syndrome
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Chapter 14: Snowsports and Mountain Biking Emergencies
Alpine Skiing Injuries (2 of 4)
• Thigh, hip, and pelvis
– Contusions
– Lacerations
– Fractures (femur, pelvis)
• Hand
– Skier’s thumb
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Chapter 14: Snowsports and Mountain Biking Emergencies
Alpine Skiing Injuries (3 of 4)
• Upper extremity (nearly 11% of all injuries)– Dislocations
Humeral Acromioclavicular separations
– Fractures Clavicle Wrist (silver fork)
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Chapter 14: Snowsports and Mountain Biking Emergencies
Alpine Skiing Injuries (4 of 4)
• Overuse injuries
• Multiple body parts
• Head and chest
– Collisions with fixed objects
– Leading cause in fatalities
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowboarding Injuries
• Overall rate is only slightly higher than skiing
• Risks for beginners is nearly the same as for new skiers
• Riders sustain more injuries that require immediate medical attention
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowboarding Risks
• When compared to skiing:– Higher risk of upper
extremity injury – Twice the risk of fracture
• Males = ankle and lower leg injuries
• Females = wrist and knee injuries
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowboarding MOIs
• MOIs are different from those in skiing
• Generally due to impact
• Historically, less formal instruction
• Less familiarity with mountain environment
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowboarding Injury Types (1 of 4)
• Lower extremities – 60% fewer than skiers– “Air” leads to ACL injuries – Ankle injuries are common
Snowboarder’s ankle (talus fracture)
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowboarding Injury Types (2 of 4)
• Abdominal, thoracic, and back – Risk of spinal injuries is the same as
for skiers – Injuries to the spleen are more
frequent – Blunt thoracic trauma is 2nd leading
cause in fatalities
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowboarding Injury Types (3 of 4)
• Upper extremity – More than 50% of all riding injuries
– Wrist Young, females, beginners
– Hand, elbow, and shoulder Male, intermediate, expert
– FOOSH
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowboarding Injury Types (4 of 4)
• Head
– Rare, but leading cause in fatalities
– Occurs usually with a fall backward Impact to occiput
– Collisions
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Chapter 14: Snowsports and Mountain Biking Emergencies
Telemark Injuries
• Third most popular winter sport at ski areas
• Newer high performance equipment has led to injuries similar to alpine skiing.
• Release bindings may decrease injury risks.
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Chapter 14: Snowsports and Mountain Biking Emergencies
Nordic Skiing
• Various types of gear and locales
– Featherweight skis and boots
– Traditional wax or waxless skis and heavier leather boots
– Parabolic skis and tall plastic boots
• 7 million nordic skiers in U.S.
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Chapter 14: Snowsports and Mountain Biking Emergencies
Nordic Skiing Injuries
• Injury rate is small, 0.5/1000 visits • Common types:
– Cold-related, ie, frostbite, hypothermia – Equal amounts of upper and lower
extremity injuries caused by falls– Overuse (Skier’s toe)– Eye (rare) – Avalanche (rare)
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowblade Injuries
• New trend • Easy to learn • Non-release bindings• Common types:
– Upper extremity injuries similar to snowboarders
– Boot-top and spiral tib/fib fractures
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Chapter 14: Snowsports and Mountain Biking Emergencies
Tubing Injuries
• New trend • No or limited steering• No braking • Common types:
– Head and spine – Fractures, isolated and multiple – Soft tissue
• Injuries result from collisions and rollovers
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowmobile Injuries• Common types:
– Lower extremity About 50% are fractures
– Spinal injuries Head and neck trauma Lower back pain
– Overuse injuries (Raynaud’s syndrome)
– Avalanche
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Chapter 14: Snowsports and Mountain Biking Emergencies
Snowmobile Risk Factors
• Multiple riders • Excessive speed • Alcohol and drug use • Improper equipment • Night riding • Unfamiliar or avalanche terrain • Jumping
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Chapter 14: Snowsports and Mountain Biking Emergencies
Mountain Biking
• Make up majority of bikes sold in U.S.
• Many ski areas promote activity.
• IMBA, NORBA, and NSP helped found the National Mountain Bike Patrol.
– Offers training in OEC, trail etiquette, and environmental issues
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Chapter 14: Snowsports and Mountain Biking Emergencies
Mountain Biking Injuries (1 of 2)
• 80% of riders will be injured • MOIs include high speed and steep terrain • Demographics of riders and injuries
– Males, late teens to late 30s – Multiple injuries tend to occur. – 25% require medical care. – 90% occur off-road. – Serious head injuries are rare.
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Chapter 14: Snowsports and Mountain Biking Emergencies
Mountain Biking Injuries (2 of 2)
• Common types:
– Abrasions, most frequent
– Contusions
– Lacerations
– Fractures, typically of the clavicle
• Often the injured will self-evacuate
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Chapter 14: Snowsports and Mountain Biking Emergencies
Injury Prevention (1 of 2)
• Maintain physical conditioning.
• Use and maintain good equipment.
• Use retention devices on the slopes.
• Ski or ride within your ability.
• Attune to your surroundings.
• Avoid intoxication.
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Chapter 14: Snowsports and Mountain Biking Emergencies
Injury Prevention (2 of 2)
• Maintain adequate nutrition. • When tired or cold, stop, rest, drink, and eat. • Dress appropriately. • Follow your Responsibility Code.• Carry survival equipment when skiing out of area. • Use high-quality eyewear. • If you choose to wear a helmet, assure that it fits
properly and is appropriate for the activity.