PAPER 1 - Injury Prevention Flashcards
What are ACUTE INJURIES ?
sudden injury associated with a traumatic event
ACUTE INJURIES : CAUSES
- collision
- fall
- excessive impact
ACUTE INJURIES : EXAMPLE
- football - fracture metatarsal - kicking ball
- netball - sprain ankle - bad landing
ACUTE INJURIES : SYMPTOMS (5)
- pain
- swelling
- bruising
- lack of movement
- disfiguration
What are CHRONIC INJURIES ?
slowly developed injury associated with overuse
CHRONIC INJURIES : CAUSES
- sudden increase in intensity / frequency / duration
- reduction in recovery
- warm up / cool-down
What are HARD TISSUE INJURIES ?
damage to the bone, joint or cartilage including fractures and dislocations
What are SOFT TISSUE INJURIES ?
damage to the skin, muscle, tendon or ligament, including tears, strains and sprains
What are the two types of HARD TISSUE INJURIES (acute injuries) ?
- fractures
- dislocations
What is a FRACTURE ?
PARTIAL or COMPLETE break in the bone due to an EXCESSIVE FORCE that overcomes the bone’s POTENTIAL TO FLEX
What are the 9 types of FRACTURES ?
- compound (open)
- simple (closed)
- incomplete
- complete
- greenstick
- transverse / oblique / spiral
- comminuted
- impacted
- avulsion
COMPOUND FRACTURE ?
fractured bone breaks through the skin, creating an OPEN WOUND with high risk of infection
SIMPLE FRACTURE ?
skin remains unbroken as the fracture causes LITTLE MOVEMENT of the bone and therefore minimises the damage to the SOFT TISSUE surrounding it
INCOMPLETE FRACTURE ?
PARTIAL CRACK in the bone that doesn’t completely separate the bone
COMPLETE FRACTURE ?
TOTAL BREAK in the bone which separates the bone into one or more FRAGMENTS
GREENSTICK FRACTURE ?
SPLITTING PARTIAL BREAK in the bone resulting from a BENDING ACTION
TRANSVERSE FRACTURE ?
PERPENDICULAR CRACK across the length of the bone
OBLIQUE FRACTURE ?
DIAGONAL CRACK across the length of the bone
SPIRAL FRACTURE ?
TWISTING DIAGONAL CRACK across the length of the bone
COMMINUTED FRACTURE ?
CRACK producing MULTIPLE FRAGMENTS of bone and a long recovery process
IMPACTED FRACTURE ?
BREAK caused by the ends of a bone being COMPRESSED together
AVULSION FRACTURE ?
bone fragment DETACHED at the site of connective tissue attachment
What is a DISLOCATION ?
the DISPLACEMENT of one bone from another out of their ORIGINAL POSITION
DISLOCATION : CAUSE
direct force = collision
indirect force = a fall
DISLOCATION : TYPICAL SITES (7)
- shoulder
- hip
- knee
- ankle
- elbow
- fingers
- toes
DISLOCATION : SYMPTOMS (5)
- severe pain
- loss of movement
- deformity
- swelling
- ‘pop’ feeling
What is a SUBLUXATION ?
incomplete / partial dislocation = overstretched ligament = permanently lengthened = decrease joint stability
What are the SOFT TISSUE INJURIES (acute injuries) ?
- contusions (bruises) and haematoma
- sprain
- strain
- abrasion
- blisters
What are CONTUSIONS ?
ruptured blood vessels in skin or tissue
What is a RUPTURE ?
COMPLETE TEAR of a muscle, tendon or ligaments
What is a HAEMATOMA ?
localised CONGEALED bleeding from the ruptured blood vessels
What is a SPRAIN ?
OVERSTRETCH or tear in the LIGAMENTS
SPRAIN : CAUSES
- impact / fall = beyond RoM
SPRAIN : TYPICAL SITES
- ankle (games players)
- knee (football)
- thumbs
- wrists
SPRAIN : SYMPTOMS (5)
- pain
- swelling
- bruising
- inability to bear weight
- dislocation
What is a FIRST-DEGREE SPRAIN ?
overstretch of ligaments
What is a SECOND-DEGREE SPRAIN ?
partial tear of ligaments
What is a THIRD-DEGREE SPRAIN ?
total rupture of ligaments
What is a STRAIN ?
OVERSTRETCH or tear in the MUSCLE or TENDON
STRAIN : CAUSE
contracting muscle fibres too quickly
STRAIN : EXAMPLE
badminton - lunging for drop shot
100m - running out blocks
STRAIN : SYMPTOMS (4)
- pain
- swelling
- discolouration
- bruising
What is a Grade 1 STRAIN ?
minor damage to fibres
What is a Grade 2 STRAIN ?
extensive damage but no complete rupture
What is a Grade 3 STRAIN ?
complete rupture = surgery
What is an ABRASION ?
SUPERFICIAL DAMAGE to the SKIN caused by scraping it against a surface
ABRASION : EXAMPLE
- falling on athletics track / astro / netball pitch
What is the technical term for cut ?
laceration
What is the technical term for stitching ?
suturing
What are BLISTERS ?
FRICTION forming SEPARATION of layers of SKIN where a pockets of FLUID forms
What is CONCUSSION ?
a traumatic BRAIN INJURY resulting from a disturbance of BRAIN FUNCTION
CONCUSSION : SYMPTOMS (5)
- headache
- dizziness
- balance problems
- nausea
- unconscious (10% of cases)
CONCUSSION : CAUSES
- direct hit to the head
- impact in other areas that cause rapid movement of head
How does CONCUSSION occur ?
impact = acceleration against rough inner wall = rebounds = swelling in biochemistry = confusion
What is OSTEOARTHRITIS ?
DEGENERATION of ARTICULAR CARTILAGE from the bone surfaces within a joint, causing pain and restricted movement
CHRONIC INJURIES : EXAMPLE
skier - knee - osteoarthritis
basketball - tibia - stress fracture
What are the types of HARD TISSUE INJURIES (chronic injuries) ?
stress fractures
What is a STRESS FRACTURE ?
TINY CRACK in the surface of a bone caused by overuse
What sports are STRESS FRACTURES common in ?
- distance running
- tennis
- gymnastics
- basketball
STRESS FRACTURES : TYPICAL SITES
- lower body
- tibia
STRESS FRACTURES : CAUSES
- intensive overload
- unfamiliar surface
inappropriate equipment
What are the types of SOFT TISSUE INJURIES (chronic injuries) ?
- shin splints
- tendinosis
What is SHIN SPLINTS ?
chronic SHIN PAIN due to the inflammation of muscles and stress on the TENDON ATTACHMENTS to the surface of the tibia
What is the most common form of SHIN SPLINTS ?
medial tibial stress syndrome (MTSS)
What are BONE SPURS ?
OUTGROWTHS of BONE into a joint, causing pain and restricted movement
What is TEDINOSIS ?
DETERIORATION of a TENDON in response to chronic overuse and repetitive strain
What are the two types of TEDINOSIS ?
- achilles tendinosis
- tennis elbow
What is ACHILLES TENDINOSIS ?
pain and deterioration of the tendon in the HEEL due to overuse and repetitive strain
What is TENNIS ELBOW ?
TENDON pain in the FOREARM due to chronic overuse and repetitive strain
TENDINOSIS : SYMPTOMS (5)
- burning
- stinging
- aching
- tenderness
- stiffness
TENDINOSIS : TYPICAL SITES
- wrist
- forearm
- elbow
- shoulder
- knee
- heel
- What are the typical injuries of ATHLETES ?
- muscle strain = legs = explosive movement
- ankle sprain = dynamic movement
- What are the typical injuries of CRICKET PLAYERS ?
- back strains = repetitive movement
- knee sprain = dynamic movement
- What are the typical injuries of FOOTBALLERS ?
- abrasions and boot-stud injuries = tackling
- knee sprain = dynamic movement
- What are the typical injuries of RACKET SPORTS ?
- tennis elbow = repetitive movements
- muscle strain = repetitive movements
What age category is most at risk of acute injuries ?
15-25 females
What percentage of acute injuries require hospital attention ?
19%
Which sports are most at risk of injury ?
- high impact and dynamic
- football / rugby / athletics
What are the two classification of RISK FACTORS ?
- intrinsic risk factors
- extrinsic risk factors
What are INTRINSIC RISK FACTORS ?
risks of force from WITHIN the body
What are the 2 elements to INTRINSIC RISK FACTORS
- individual variables
- training effects
What are EXTRINSIC RISK FACTORS ?
risks of force from OUTSIDE the body
What are the 3 elements to EXTRINSIC RISK FACTORS ?
- poor technique
- incorrect equipment
- inappropriate intensity / duration / frequency
What are the 4 types of of INDIVIDUAL VARIABLES ?
- previous injury
- posture and alignment
- age
- nutrition
What are the 3 TRAINING EFFECTS ?
- poor preparation = warm up, nutrition, sleep, hydration
- inadequate fitness level = early fatigue leads to poor technique
- inappropriate flexibility = limited RoM
How can POOR TECHNIQUE lead to injuries ?
- excessive stress on muscles
- limits strength, power and speed
How can INCORRECT CLOTHING / EQUIPMENT lead to injuries ?
- accelerates onset of injury
- child starting tennis shouldn’t use full size racket
Give some examples of protective equipment
- cricket = knee pads
- boxing = gum shield, gloves
- netball = ankle braces (stability)
Give some examples of sport-specific clothing
second skin = (gymnasts) to increase RoM
contain padding = reduces external impact (American football)
aerodynamic = decrease friction (Cyclists)