-
ball-and-socket joint
rounded head of one bone fits into cuplike cavity of another
flexion-extension, abduction-adduction, rotation
ex: shoulder, hip
-
condyloid joint
oval head of one bone fits into a shallow cavity of another bone
flexion-extension, abduction-adduction
ex: wrist
-
gliding joint
articular surfaces are flat
flexion-extension, abduction-adduction
ex: carpal bones of wrist
-
hinge joint
spool-like surface of one bone fits into a concave surface of another bone
flexion-extension
ex: elbow, knee, ankle
-
pivot joint
ringlike structure that turns on a pivot
rotatino
ex: wrist turning a doorknob
-
saddle joint
bone surfaces are convex on ons side and concave on other
side to side and back and forth
ex: carpometacarpal joint of thumb
-
fibrous joint
immovable
synarthrosis
ex: skull
-
cartilaginous joint
slightly movable
amphiarthrosis
ex: pubic symphyis, joints of vertebrae
-
synovial joint
freely movable
diarthrosis
ex: gliding, hinge, pivot, condyloid, saddle, ball-and-socket joints
-
abduction
lateral movement of a body part away from midline of body
-
adduction
lateral movement of body part toward the midline of body
-
circumduction
movement of the distal part of the limb to trace a complete circle while the proximal end remains fixed
-
flexion
state of being bent
-
extension
the state of being in a straight line
-
hyperextension
the state of exaggerated extension usually resulting in an angle greater than 180 degrees
-
dorsiflexion
backward bending of the hand or foot
-
plantar flexion
flexion of the foot
-
rotation
the turning of a body part on the axis provided by its joint
-
internal rotation
body part turning on its axis toward the midline of the body
-
external rotation
body part turning on its axis away from midline of body
-
pronation
assumption of the prone position
-
supination
assmption of the supine position
-
inversion
movement of the sole of the foot inward
-
eversion
movement of the sole of the foot outward
-
labyrinthine sense
sense of position and movement provided by sensory organs of the inner ear
-
proprioceptor/kinesthetic sense
informs the brain of the location of a limb or body part through stimulation of nerves endings in muscles, tendons, and fascia
-
visual/optic reflexes
visual impressions contribute to posture by alerting the person to spatial relationships with the environment
-
extensor or stretch reflexes
when extensor muscles are stretched beyond a certain point their stimulation causes a reflexion contraction to reestablish erect posture
-
effects of exercise on cardiovascular system
increased efficency of heart
decreased resting heart rate and BP
increased blood flow and oxygenation of all body parts
-
effects of immobility on cardiovascular system
increased cardiac workload
increased risk for orthostatic hypotension
increased risk for venous thrombosis
-
effects of exercise on respiratory system
increased depth of respiration
increased respiratory rate
increased gas exchange at alveolar level
increased rate of CO2 excretion
-
effects of immobility on respiratory system
decreased depth of respiration
decreased rate of respiration
pooling of secretions
impaired gas exchange
-
effects of exercise on GI system
increased appetite
increased intestinal tone
-
effects of immobility on urinary system
increased urinary stasis
increased risk for renal calculi
decreased bladder muscle tone
-
effects of immobility on GI system
disturbance in appetite
altered protein metabolism
altered digestion and utilization of nutrients
-
effects of exercise on urinary system
increased blood flow to kindeys
increaed efficiency in mantaining fluid and acid-base balance
increased efficiency in excreting body wastes
-
effects of exercise on musculoskeletal system
increased muscle efficiency
increased coordination
increased efficiency of nerve impulse transmission
-
effects of immobility on musculoskeletal system
decreased muscle size, tone, strenght
decreased joint mobility, flexibility
bone demineralization
decreased endurance, stability
increased risk for contracture formation
-
effects of exercise on integument
improved tone, color, turgor resulting in improved circulation
-
effects of immobility on integument
increased risk for skin breakdown
-
isotonic exercise
exercise involving muscle shortening and active movement
-
isometric exercise
muscle contraction without shortening
-
isokinetic exercise
muscle contractions with resistance
-
paresis
impaired muscle strength or weakness
-
paralysis
absence of strength secondary to nervous impairment
-
point of origin
attachment of muscle to more stationary bone
-
point of insertion
atatchment of muscle to more movable bone
-
afferent nervous system
info from recptors to brain to CNS to response
-
efferent nervous system
CNS to skeletal muscle
-
orthopedics
correction or prevention of disorders of body structures used in locomotion
-
achondrroplasia
premature bone ossification leading to dwarfism
-
osteogenesis imperfeccta
brittle bones at birth
-
Paget's disease
excessive bone destruction & abnormal regeneration resulting in pain and deformities
-
tonus
state of slight muscle contraction (normal)
-
contractures
permanent muscle contraction
-
atelectasis
incomplete lung expansion
-
ankylosis
consolidation and immobilization of a joint
-
components of nursing assesment of mobility status
ease of movement and gait
alignment
joint structure and function (ROM)
muslce mass, tone, strengthh
endurance
-
types of bones
long
short
flat
irregular
-
types of muscles
skeletal
cardiac
smooth/visceral
-
rest
condition in which the body is in a decreased state of activity
-
sleep
state of rest accompanied by altered consciousness and relative inactivity
-
circadian rhythms
complete a full cycle daily
-
delta sleep
stages III and IV of NREM
10% of total sleep time
-
light sleep
stages I and II
50% of total sleep time
-
REM sleep
more difficult to awaken
dreaming
20-25% of total sleep time
increase in pulse, resp, BP, metabolic rate, temp
skeletal muscle tone and deep tendon reflexes depressed
essential to learning, memory, and adaptation
-
REM rebound
after being deprived of REM for several nights, body spends more time in REM
-
NREM
stages I-IV
about 75% of sleep time
parasympathetic NS dominates - pulse, resp, BP, metabolic rate, temp decrease
-
sleep cycle
wake --> stage I NREM --> stage II --> stage III --> stage IV --> stage III --> stage II --> REM --> stage II
-
insomnia
difficulty falling asleep, intermittent sleep, or early awakening
dyssomnia
-
dyssomnias
sleep disorders characterized by insomnia or excessive sleepiness
-
hypersomnia
dyssomnia characterized by excessive sleep esp. during the day
-
narcolepsy
dyssomnia characterized by an uncontrolable desire to sleep
-
sleep apnea
absence of breathing or diminished breathing efforts (hypopnea)
dyssomnia
-
restless leg syndrome
cannot lie still and report unpleasant creeping, crawling, tingling inlegs
- Urge to move the legs
- Rest induced
- Gets better with activity
- Evening symptoms more severe
-
sleep deprivation
decrease in amount, consistency, or quality of sleep
-
parasomnia
patterns of waking behavior that can appear during REM or NREM sleep
-
somnambulism
parasomnia
sleep-walking
-
bruxism
parasomnia of teeth grinding
-
enuresis
parasomnia of urinating during sleep
-
nocturnal myoclonus
marked muscle contractions that result in jerking of one or more legs during sleep
-
RAS - reticular activting system
facilitates reflex and voluntary movements
controls cortical activities related to state of alertness
wakefullness occurs wehn system stimulated
-
hypothalamus
control center for sleeping and waking
-
neurotransmitters responsible for sleep
norephineprine, acetylcholine, dopamine, serotonin, histamine
GABA necessary for inhibition
-
melatonin
natural chemical produced at night that decreases wakefulness and promotes sleep
-
sleep hygiene
nonpharmacologic approaches to resolve insomnia
-
sleep-weight link
leptin - signals brain to stop eating
ghrelin - promotes eating
lack of sleep decreaes leptin and raises ghrelin
-
stereognosis
sense that perceives the solidity of objects and their size, shape, and texture
(external sense)
-
external senses
visual
auditory
olfactory
gustatory (taste)
stereogenosis - solidy of objects & size, shape, texture
-
internal senses
kinesthesia - awareness of body positioning
visceral sense - inner organs
proprioception - body positioning
-
sensory perception
stimulus
receptor or sense organ
nerve impulse
activation in brain
-
sensoristasis
optimal arousal state of RAS
-
somnolence
extreme drowsiness but able to respond normally to stimuli
-
sensory deprivation
decreased sensory input or monotonous input
RAS unable to project normal level of activaton --> hallucinations may result
-
sensory overload
too much stimuli
brain unable to respond meaningfuly or ignore
-
sensory deficits
impaired or absent functioning in 1+ senses
-
genetic theory of aging
genes control "genetic clocks"
-
immunity theory of aging
changes in immune system influence aging
thymus loses size & function
-
immunosenescence
age-associated changes in immune system
-
cross-linkage theory of aging
cross-linkage - chemical reaction that produces damage to DNA & cell death
as one ages, cross links accumulate --> cell damage
-
free radical theory
free radicals - molecules formed during cellular metabolism that have adverse effects on adjacent molecules
irreversible damage results in accumulated effects of this damage
-
-
Erikson's Theory of Middle Adulthood
generativity vs stagnation
establish and guide next generation
accept middle-age changes
adjust to needs of aging parents
reevaluate goals and accomplishments
-
Havighurst's theory of middle adulthood
maturation, personal motives and values, civic responsibility
adjust to physical changes
maintain a satisfactory occupation
assist children to become responsible adults
adjust ot aging parents
relate to spouse
-
Levinson's theory of middle adulthood
choose to either continue an established lifestyle or reorganize one's life ina period of midlife transition
-
Gould's theory of middle adulthood
look inward
accept lifespan as having boundaries
have special interest in spouse, friends, community
increase feelings of self-satisfaction
become more concerned with health
-
integument changes in older adults
decreased elasticity
balding
skin may become pale due to loss of melanocytes
nails thicken and yellow
-
musculoskeletal changes in older adults
decrease in subq tissue and weight
muscle mass & strength decreases
bone dimeneralization
joints stiffen & lose flexibility
overall mobility slows
-
neurologic changes in older adults
CNS responds more slowly
temp regulation and pain/pressure perception less efficient
loss of sensation in extremities
difficulty w/ balance, coordination, fine movements, spatial orientation
sleep at night shortens, catnaps common
-
special senses changes in older adult
diminished visual acuity (presbyopia)
diminished hearing acuity (presbyacusis)
taste & smell decreased
-
cardiopulmonary changes in older adults
blood vessel less elastic --> venous return less efficient
less able to increase heart rate and cardiac output with activity
pulmonary elasticity & ciliary action decrease --> resp rates may increase w/ diminished depth
-
GI changes in older adult
digestive juices diminsh & nutrient absorption decreases
constipation and indigestion due to decreased muscle tone and peristalsis
-
dentition changes in older adults
tooth decay & loss
-
genitourinary changes in older adult
blood flow to kidneys decreases
number of functioning nephrons decreases
fluid and electrolyte balance fragile
bladder capacity decreases
hypertrophy of the prostate in men
atrophy, decrease of secretions and thinning of genital tract in women
-
disengagement theory of late adulthood
withdraw from usual roles and become more introspective and self-focused
-
activity theory of late adulthood
sucessful aging involves ability to maintain high levels of activity and functioning
-
identity-continuity theory of late adulthood
healthy aging related to ability to continue similar patterns of behavior from early & midlle adulthood
-
Erikson's theory of late adulthood
ego integrity vs despair & disgust
life review/reminiscence
-
Havighurst's theory of late adulthood
maintenance of social contacts & relationships
sucessful aging depends on ability to be flexible & adapt to new age related roles
-
cascade iatrogenesis
medical or nursing interventin triggers a sequence of adverse events that leads to a downward spiral and decline
-
delirium
temporary stae of confusion
-
dementia
various organic disorders that progressively affect cognitive functioning
-
reality orientation
technique which involves interventions to redirect the patient's attention to what is real in the environment
-
functional health
ability to carry out usual & desired daily activities
-
loss
when a valued person, object, or situation is changed or inaccessible so that its value is diminshed or removed
-
actual loss
loss recoginized by others
-
perceived loss
loss experienced by te person but intangible to others
-
maturational loss
loss experienced as a result of natural development process
-
situational loss
loss experienced as a result of an unpredictable event
-
anticipatory loss
person displays loss and grief behaviors for a loss that has yet to take place
-
grief
internal emotional reaction to a loss
-
mourning
actions and expressions of grief
-
bereaved
those in a state of grieving
-
Engel's stages of grief
- 1. shock and disbelief
- 2. developing awareness
- 3. restitution (rituals)
- 4. resolving the loss
- 5. idealization
- 6. outcome
-
Kuber-Ross's stages of grief
- 1. denial & isolation
- 2. anger
- 3. bargaining
- 4. depression
- 5. acceptance
-
death according to Uniform Death Act
- irreversible cessation of all functions of circulatory and respiratory functions
- OR
- irreversible cessation of all functions of the entire brain, including the stem
-
medical criteria to certify death
cessation of breathing
no response to deep painful stimuli
lack of reflexes and spontaneous movement
-
signs of impending death
difficulty talking or swallowing
nausea, flatus, abdominal distention
urinary and/or bowel incontinence or constipation
loss of movment, sensation, reflexes
decreasing temp w/ cold/clammy skin
weak, slow, or irregular pulse
decreasing BP
noisy, irregular respirations
restlessness and/or agitation
cooling, molting, and cyanosis of the extremities
-
palliative care
taking care of whole person: body, mind, spirit, heart, soul
-
terminal weaning
gradual withdrawal of mechanical ventilation
-
active euthanasia
taking specific steps to cause a patient's death
-
passive euthanasia
withdrawing medical treatment to cause a patient's death
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