1 Flashcards
the study of the distribution of diseases, injuries or other health states in the human population for the purpose of identifying & implementing measures to prevent their development & spread
epidemiology
scientific studies of _____ injuries are a relatively recent trend
sport
the studies of sport injuries involve determining ____ _____ that play a causative role in injury
risk factors
_____ may be identified if sufficient sports (and exercise) injury data is available
trends
what are the 3 classifications of sports?
- contact/collision (hockey soccer bball)
- limited contact/collision (vball, baseball, softball)
- non-contact (tennis, bowling, golf)
____ americans sustain injuries each year
62 million
___% of inures occur in practice
62
what sport has the highest injury rate per 1000 athletes? what sport has the lowest?
football, volleyball
fractures are most likely to occur in which sports
bball, soccer, baseball
knee injuries are most likely to occur in what sport for men & women?
womens soccer, baseball
what is the most common injury category?
contusions (soft tissue)
highest rate of injury occurs in what type of sport
contact & collision
if you are older, the injuries are more …
severe
how many people are treated a day in the ER for sport, exercise, and recreational injuries?
10,000
what is the most injured body part in weight training
hand
in weight training, what kind of injury makes up 64.1% of all injuries? 15.1% (name both)?
- soft tissue
- lacerations
- fractures/dislocations
in weight training injuries, what age group makes up 43.5% of all injuries? what about 32.5%?
- 15-24
- 25-44
what percent of all injuries in weight training are male? what are female?
male: 80.5%
female; 19.5%
what percent of weight training injuries occur at home?
40.2%
what percent of weight training injuries occur in the fitness center?
17.8%
what is an injury?
trauma or damage to a part of the body
what are the usual results of an injury?
pain, swell in, temporary loss of tissue function (mild moderate or severe)
this type of injury occurs as a rapid onset from a traumatic event
acute injury
magnitude of a single force for which the anatomical structure of interest is damaged
critical force
what are common signs/symptoms of an acute injury? name five.
- Bone or joint out of place
- Incomplete joint ROM
- Tender area of the body
- Extreme leg/arm weakness
- Swelling
this type of injury occurs as a slow onset implying a gradual development of structural damage
chronic injury
______ injuries are associated with ____ events such as running
chronic, repetitive
chronic injuries are also called what
over use injuries
what are 3 common sites of chronic injuries?
achilles tendon, patellar tendon, rotator cuff
what are the common signs/symptoms of chronic injury?
- pain when playing
- dull ache when resting
- swelling
_____ injuries involve damage to the brain & _____ _____
catastrophic, spinal cord
what is different about catastrophic injuries?
they are life threatening or permanent
sprains are an injury to the
ligament
describe the three degrees of a sprain.
1st degree: ligament is stretched
2nd degree: partial tear of ligament
3rd degree: complete tear of ligament
what is a strain?
an injury to a muscle, tendon or musculotendinous junction
describe the three degrees of a strain
- 1st degree: tissue is stretched (possible micro-tears) & pain is noticeable with use
- 2nd degree: partial tear of tissue with pain & moderate loss of function
- 3rd degree: complete rupture of tissue, significant swelling & loss of function
general cause of strains?
excessive forced stretching of muscle or tendon
what is the site of most strains?
MTJ (generally distal)
______ are extremely strong structures that can withstand stresses of _____ - ______ lbs/sq. inch
tendons; 8,700 -> 18,000
what are contusions also referred to as
bruises
bruises/contusions are also associated with what symptoms
pain, swelling, stiffness, hematoma (blood clot)
if a contusion is severe enough, what might it result in?
myositis ossificans
what are the 2 types of skeletal tissue injuries
fractures & dislocations
what are fractures
breaks or cracks in bone
what are the three types of fractures?
closed, open, stress
what type of fracture occurs when there is no wound but internal bleeding is occurring?
closed
what type of fracture occurs when there is a wound present & external bleeding
open
what type of fracture occurs when there is a fine airline fracture & no soft tissue damage?
stress
how do stress fractures occur ?
repeated overloading of bone exceeds the recovery rate
symptoms of a stress fracture
pain/tenderness, absence of trauma, repetitive activity
how long will it take for a stress fracture to show on an X-ray?
weeks or even months
_______ is the displacement of ______ surfaces or bones comprising a joint
dislocation, contiguous
what are the two types of dislocations? what is the difference?
subluxation and luxation
- subluxation: partial dislocation
- luxation: total displacement
what type of dislocations should be treated by a physician?
ALL OF THEM
rate at which bleeding occurs depends on ___ and ____ of ____
size and type of vessels
3 types of external bleeding
mild, moderate & severe
type of bleeding occurs in the capillary, results in oozing
mild bleeding
type of bleeding ochres in the veins & produces a steady dark red flow
moderate bleeding
type of bleeding located arterially and produces bright red {oxygenated} blood in strong spurts {pulse}
severe
how should you control mild bleeding?
direct pressure
disinfect wound
sterile dressing
how should you control moderate bleeding?
direct pressure, sterile dressing, elevate body part, treat patient for shock {if necessary}
how should you control severe bleeding?
pressure, elevate –>
if unproductive, apply pressure to arterial pressure point {brachial or femoral}, treat patient for shock –>
if all fails apply tourniquet
t/f you should treat a suspected injury as an actual injury until proven otherwise
true
when should you see a doctor (as pertaining to an injury)
- injury results in severe swelling/numbness
- unable to bear weight
- old injury hurts
- old injury swells
- joint feels irregular or unstable
sports medicine is also referred to as
athletic training
inappropriate decisions by you (the person in charge) may jeopardize _____ & possibly result in ____ action
health, legal
define tort
harm or civil wrong done to another for which the law holds the wrongdoer responsible
in tort cases, the court will provide a _____ usually in the form of ____, usually money
remedy, damages, usually money
the person suing usually uses ______ as a reason for issuing the legal action
negligence
what is negligence?
failure to do what a reasonably prudent person would have done under similar circumstances OR doing something that a reasonably prudent person would NOT have done under similar circumstances
define reasonably prudent person
hypothetical person who exercises qualities (attention knowledge intelligence judgment) which society requires of it’s members for the protection of & interests of others
each person in charge is responsible for acting in a _____ and _____ manner
reasonable and prudent
Negligence is referred to as an act of ______
commission
what is an act of commission?
committing an act that’s not legally yours to perform (ex: PE teacher setting a broken bone)
what is the act of omission? example?
failure to carry out a legal duty; not performing CPR on someone after being trained
what are two scripture references that assess the act of omission and commission
James 4:17 & Genesis 3:1-7
What are the 4 elements of negligence?
- Duty
- Proximate legal cause
- breach of duty
- Damage (harm/injury)
The plaintiff (person suing you) must prove __ elements in order for _____ to exist
all four elements, negligence
what is a duty?
an obligation to protect individuals from unreasonable risk of harm
are you required to render aid when no legal duty exists?
no
the _____ must prove that it was the Emergency Services personnel’s ___ ____
plaintiff, legal duty
what are the 6 legal duties of E/S personnel?
- planning
- supervision
- instruction
- warnings
- safe participation environment
- medical assistance
which of the 6 legal duties of the E/S personnel overlap the other legal responsibilities?
planning
which is one of the most prevalent allegations in sports injury litigation?
failure to warn; warnings should be put into a waiver
what are the two responsibilities that come with medical assistance?
- 1st aid until qualified medical assistance arrives
2. initiating emergency medical procedures (which should be planned in advance)
negligence only exists when a ____ is _______
duty, breached
true or false: E/S is also negligent when a person suffers due to people under him/her not responding or responding out of job
True
one is not guilty every time a duty is breached. what must occur?
injury
What occurs in “proximate or legal cause”
plaintiff must prove the personnel actions caused harm (whether they did or did not do something) & this needs to be a substantial factor
explain “Damage”
plaintiff received physical or emotional harm resulting in economic loss, physical pain or suffering, emotional distress, or physical impairment
name the 4 legal defences
- contributory negligence
- comparative negligence
- assumption of risk
- act of God
what occurs with contributory negligence
exists when plaintiff conduct helps aggravate plaintiff injury [partially/totally responsible for harm]
what occurs with comparative negligence
plaintiff & defendant are guilty; plaintiff receives partial compensation on a prorated basis (as determined by the judge & jury)
what occurs with assumption of risk
plaintiff assumes responsibility for injury bc they agreed to participate & were fully informed (signed a waiver, etc.)