exam revision Flashcards
what is a person’s physical capacity?
musculoskeletal capacity
what are the concepts associated with bones, joints, and muscle?
-joint ROM
-strength
endurance
what is joint ROM?
amount of motion available
what is the strength of muscle?
the ability of muscles to produce tension for maintaining postural control and moving body parts
what is endurance?
ability to sustain effort overtime required
does AROM client lead?
yes
does PROM client lead?
no
is AROM greater than PROM?
yes
what are some biomechanical influences on ROM?
- muscle weakness
- tendon ruptures
- adhesions
what are some personal causes that influence ROM?
- pain
- fear of injury
- fatigue
- time of day
what is an environmental influence on ROM?
temp
when is ROM affected?
- trauma
- oedema
- immobilization
- muscle weakness
- pain
what are some intervention strategies when ROM is decreased?
- if due to tightness: stretching
- if oedema: compression/elevation
- splinting may help contracture
what is an intervention strategy when there is weakness in muscle groups?
increase stress through resistance, duration, rate/speed, and frequency
what is work hardening?
individualised approach aimed at returning people to work, simulated work tasks
what is the worker role interview based on?
MOHO
what type of interview is the worker role interview?
semi-structured interview with 16 item rating scale
how are the 16 items of the WRI rated?
implications of each for the likelihood of work success
what is the WRIs use in practice?
assess impacts of personal causation, values, interests, roles, habits, and perception of enviro on the potential of a return to work
what is the 4 point rating scale for the 16 items of WRI?
- strongly supports
- supports
- interferes
- significantly interferes
how long does the WRI approximately take?
30-60mins
what is the work environment impact scale (WEIS) designed to gather information on?
info on people with physical/psychosocial disability in work enviros
what is WEIS based on?
MOHO
what is the WEISs use in practice?
assess features that support/impede performance, satisfaction, and wellbeing
how many topics is the WEIS organized around?
17 enviro factors
what 4 point scale ratings does the WEIS use?
SS, S, I, SI,
how long approx does the WEIS take to administer?
30-60mins
what is the assessment of work performance based on?
MOHO
what does the assessment of work performance measure?
individuals observable work-related skills
what 3 domains are the 14 skills assessed by the AWP?
motor, process, communication/interaction skills
what are motor skills related to?
- posture
- mobility
- coordination
- strength
- energy use
what are process skills related to?
- knowledge
- temporal organisation
- space and objects
- energy
- adaption
what are communication and interaction skills related to?
- physicality
- language
- relations
- information
- exchange
what is the AWPs use in practice?
assesses the performance of motor, process, and communication/interaction skills in work activity
what does occupational analysis explore the relationship between?
- occupation itself
- person
- contexts surrounding occupational participation
what does activity analysis not consider?
all aspects and contexts of person, groups/communities
what does the top-down approach first focus on?
outcome or overall goal first
what is the process involved in a top-down approach?
- identify abilities
- understand strengths/weaknesses
- assessment of capacities that support performance
what is the process involved in the bottom-up approach?
- start with underlying capacities
- goal to improve those
what is occupation-as-means activity related to restoring?
capabilities
what does occupation-as-end activity enable?
independent performance to fulfil life roles
what is grading activities?
sequentially increasing/decreasing activity demands for improvement
what may adapting information involve?
- modifying
- reducing/increasing demands
- use of assistive devices
- changing physical/social demands
what are some reasons for adapting activity?
- modify to make therapeutic
- graduate exercise to accomplish goals
- enable person to do what they usually do
- prevent trauma injury
what are some guidelines for managing fatigue?
- pacing
- planning ahead
- use correct equip
- use efficient methods and posture
what is acquired brain injury occurred due to?
occurs when the brain becomes damaged through trauma, stroke, infection, tumor, lack of oxygen, substance abuse, degenerative neurological disease
what is traumatic brain injury induced by?
induced by structural injury and/or physiological disruption of brain function as result of external force
what is ABI?
permanent change to bran structure/function
what is the mild form of ABI?
cerebral contusions that manifest as concussion
what does mild form of ABI result in?
mild problems with memory and self regulation
what occurs in severe ABI?
coma with non recovery
what is motor control?
ability to regulate or direct mechanisms essential to movement
what does cortical damage lead to?
tonal change
what does subcortical damage affect?
quality of movement (dystonias)
what can cerebellar lesions result in?
- ataxia
- hyptonia
- disequiillibrum
- dysmetria
what is ataxia?
wide based gate, poorly controlled movement, intention tremor
what is hypotonia?
low tone
what is dysmetria?
target accuracy
what is disdiaokinesia?
poorly coordinated rapid alternating movement
what is disequilibrium?
reduced balance
what can result from basal ganglia lesions?
- bradykineasia
- resting tremor
- dystonia including rigidity
- ballistic movement
what is bradykineasia?
slowness in carrying out movement
what is spasticity?
motor disorder characterised by velocity-dependent increase in tonic stretch reflexes
what is contracture?
shortening of soft tissue results in joint ROM
what is muscle tone?
resistance of muscle to passive elongation or stretching
what is hypertonia?
more than normal resistance of muscle to passive elongation
what is hypertonicity?
increase in tone/more than normal resistance of muscle to elongation
what is the glascow coma scale?
gauge severity of acute brain injury
what is the severe score in glascow coma scale?
8 or less
what is the moderate score in glascow coma scale?
9-12
what is the mild score in glascow coma scale?
13-15
what does PTA effect?
- disorientation
- disinterested/distractible
- difficulty with thinking, concentration and memory
- anxiety, agitation and rapid mood changes
when is PTA usually over?
when patient begins to retain info and continuous memory returns
what does a 0 on the modified ashworth scale represent for muscle tone?
no increase in muscle tone
what does a 1 on the modified ashworth scale represent for muscle tone?
slight increase, manifested by minimal resistance at end of ROM in flexion/extension
what does a 1+ on the modified ashworth scale represent for muscle tone?
a slight increase, manifested by minimal resistance throughout remainder of ROM
what does a 2 on the modified ashworth scale represent for muscle tone?
more marked increase, throughout most ROM, easily moved
what does a 3 on the modified ashworth scale represent for muscle tone?
considerable increase, passive movement difficult
what does a 4 on the modified ashworth scale represent for muscle tone?
affected part rigid in flexion/extension
what items are assessed by Tardieu scale?
- intensity of resistance to muscle strength
- angle at which catch is first appreciated
- differences noted when muscle is stretched at different velocities
what does neuroplasticity mean?
brain continues to respond to changes in behavioural demands over time
what areas should be assessed for cognitive impairments following PTA?
- attention
- visuospatial
- executive function
- langauge, social communication
- social cognition
- learning/memory
- awareness of impairments
- expression of emotion
what are some common and challenging behaviours associated with brain injury?
- verbal/physical aggression
- inappropriate sexual behaviour
- wandering
- risk-taking
what are five principles for effective behavior management of brain injury??
- manage: day to day rather than fix
- structure and routine
- consistency
- add positives
- seek assistance
why should OTs measure muscle strength?
- impacts daily occupations
- communication
- detection of change
- motivation
- justify role
what can impairment in cognition result from?
- developmental; or learning disorders
- brain injury
- psychiatric dysfunction
- socio-cultural conditions
what are some higher level functions of cognition?
awareness and executive functions
what are basic cognitive functions
- attention
- concentration
- memory
- perception of spatial relations
- visual attention
- thinking