Benefits of physical activity – Flashcards

Unlock all answers in this set

Unlock answers
question
Sports medicine
answer
managing musculoskeletal ailments
question
Exercise medicine
answer
- promoting health and wellness through the increased use of physical activity and exercise as a prevention and treatment of disease - providing brief interventions on physical activity advice, every consultant
question
Physical activity
answer
any bodily movement produced by skeletal muscles that require energy expenditure
question
Energy expended is a product of FITT
answer
- frequency - intensity (effort) - time - type
question
Exercise
answer
physical activity that is planned, structured, repetitive and purposeful
question
Exercise is aimed at
answer
improving or maintaining one or more components of physical exercise
question
Clinical practice prefers the term ________________ of exercise
answer
physical activity
question
Physical fitness
answer
a set of attributes that people have or achieve that relates to their ability to perform physical activity
question
Types of physical fitness
answer
- cardiorespiratory endurance - muscular strength - balance and coordination - flexibility
question
Physical fitness is influenced by
answer
genetics, health, physical activity and exercise
question
Types of physical activity
answer
- occupational tasks - household chores, everyday activities - leisure time including physical activity and exercise - environment and active travel
question
Massive health benefits of physical fitness
answer
- reduced risk of death - reduced risk of non-communicable diseases
question
Morris (1953) - Lancet
answer
- myocardial infarcts in London bus workers, railroad workers - sedentary staff had a higher rate - limitations confounding, self-selected population - less relevant today
question
Independent risk factor for all-all cause mortality (highest to lowest risk of death)
answer
- low fitness - smoking - hypertension - high cholesterol
question
Poor muscle strength
answer
- risk factor for CVD and all-cause mortality
question
National heart forum
answer
more coronary heart disease deaths are attributable to physical inactivity (37%) than smoking (19%) and hypertension (13%) put together
question
Remaining physically active or improving levels of physical activity, reduces the risk of death and CVD by _____
answer
half
question
Physical activity/ fitness needs to be_______ to maximise the effects
answer
current
question
Age is _______ to benefits gained from physical exercise
answer
irrelevant
question
Relative risks of CVD and all-cause mortality with different fitness
answer
CVD: - never fit (1.0) - improved fitness (0.48) - always fit (0.22) All-cause mortality - never fit (1.0) - improved fitness (0.56) - always fit (0.33)
question
Overweight and class 1 obesity are always/not always good predictors of premature mortality
answer
not always - low fitness levels matter - some physical activity, even if you are overweight is hugely beneficial
question
Physical activity and obesity
answer
- energy intake > energy expenditure - relative contribution of each is debatable
question
Problem with physical activity and obesity
answer
it is not easy to get people to exercise more or change their diet
question
Sitting up to 6+ hours a day makes up to __% more likely to die within 15 years than someone who sits less than 3 even if you exercise
answer
40
question
Population attributable risk of physical inactivity and low fitness of all premature deaths
answer
15-17%
question
Population attributable risk
answer
= Relative Risk x Population Exposed
question
Cancer causes __% of UK deaths
answer
25
question
__% of cancers due to 9 modifiable risk factors (including physical inactivity)
answer
35
question
Physical activity can reduce the risk of colon cancer by
answer
35%
question
Physical activity can reduce the risk of breast cancer by
answer
25%
question
Physical activity can reduce the risk of endometrial cancer by
answer
30%
question
Population attributable risk of physical inactivity on common cancers
answer
- 15% of colon cancer - 10% of post-menopausal breast cancer
question
Percentage of UK population with type II diabetes
answer
5.38%
question
Percentage of type II diabetes preventable with lifestyle changes
answer
80%
question
Diet and physical activity are as effective as drugs in preventing type II diabetes in those with impaired
answer
fasting glucose and impaired glucose tolerance
question
Age causes reductions in
answer
- VO2 max - strength - flexibility - proprioception - muscle mass - mobilitiy
question
Age is associated with
answer
sedentary behaviour
question
Physical activity throughout life is association with which improvements in old age
answer
- improved memory and reduced cognitive decline - reduced mortality, disease, disability and medical treatment - increased quality of life - strength correlated with independence
question
Osteoporotic fractures in those over 50 years for men and women
answer
- 30% women - 12% men *mainly falls
question
Regular physical activity reduces the risk of hip fractures by
answer
55%
question
Reduced risk of fracture in osteoporosis associated with increased physical activity can be explained by
answer
- increased muscle strength - improved proprioception, coordination, gait and reaction time
question
Regular high-impact training is associated with _______ in osteoporosis
answer
Small increases in bone mineral density (1-3%)
question
Strong evidence for risk reduction and physical activity in
answer
- all-cause mortality (30%) - CVD, CHD, stroke (20-35%) - Type II diabetes (35-50%) - Metabolic syndrome (30-40%) - Hip fractures (36-68%) - Colon cancer (30%) - Breast cancer (20%)
question
Moderate risk reduction in______ due physical activity
answer
functional health (30%)
question
Exercise potentially as effective as ______ for common diseases
answer
- drugs - metaepidemiology study - BMJ study
question
Conditions that physical activity helps to prevent or manage (cardiovascular) - 5
answer
- stroke - myocardial infarction (MI) - peripheral vascular disease (PVD) - coronary heart disease (CHD) - heart failure
question
Conditions that physical activity helps to prevent or manage (respiratory) - 3
answer
- asthma - chronic obstructive pulmonary disease (COPD) - cystic fibrosis
question
Conditions that physical activity helps to prevent or manage (musculoskeletal) - 5
answer
- rheumatoid arthritis - osteoarthritis - hip fractures - low back pain - fibromyalgia
question
Conditions that physical activity helps to prevent or manage (endocrine) - 1
answer
- diabetes
question
Conditions that physical activity helps to prevent or manage (psychiatric and neurological) - 4
answer
- depression - dementia - schizophrenia - Parkinson's disease
question
Conditions that physical activity helps to prevent or manage (cancer) - 2
answer
- breast - colon
question
Risk factors that physical activity helps to prevent or manage - 3
answer
- obesity - high blood pressure - high cholesterol
question
Physical activity mentioned in at least __ pieces of NICE and NICE guidelines
answer
76
question
Cost of physical inactivity to the NHS per year
answer
£1.89 billion
question
Cost of physical inactivity to the national economy per year
answer
£20 billion
question
Number of premature deaths that could be prevented annual in the UK with physical activity
answer
37,000
question
Dept. of Health physical activity guidelines for children <5 years old when walking
answer
min. 3 hours of physical activity per day
question
Dept. of Health physical activity guidelines for children 5-18 years old
answer
at least 1 hr of physical activity per day (moderate-vigorous intensity)
question
Dept. of Health physical activity guidelines for adults (19-64 years)
answer
30 minutes of moderate exercise 5 days/week OR 75 minutes of vigorous exercise spread across the week OR a combination of both - muscle strengthening 2 day/week
question
Moderate intensity exercise
answer
- increases respiratory rate (RR) and heart rate - feel warmer and may sweat if hot or humid - brisk walking, stair climbing, bike riding, dancing, swimming
question
Vigorous intensity exercise
answer
- sig. increase in RR and HR - unable to continue conversation - playing sport, running, aerobics, gym cardio
question
Muscle strengthening
answer
high resistance with a weight where no more than 10-15 repetitions are possible
question
Dept. of Health physical activity guidelines for adults (>64 years)
answer
- strengthening - balancing and coordination - additional health aims to reduce falls and increase independence
question
_% of adults met the minimum physical activity guidelines in the UK
answer
5
question
_% of adults who thought they met the minimum guidelines for physical activity in the UK
answer
70
question
Groups most likely to be active
answer
- Males age 16-24; 83% - Females age 35-44; 66%
question
Groups least likely to be active
answer
Elderly (>75 years): 30% males, 13% females
question
Obese people are less likely to be
answer
active
question
Obese people prefer exercise that is
answer
- supervised - people of the same sex and age - team-based - fixed time with scheduled sessions
question
Ethnic groups least likely to be physically active
answer
- South East Asian And Chinese - Bangladeshi's have lowest level of physical activity with double the proportion of sedentary people
question
Reducing physical inactivity by 10% if a target by which organisation
answer
WHO target "25 by 25" of 9 targets to reduce non-communicable disease (NCDs)
question
Roles of NHS commissioners
answer
- inspire local action by showing national leadership - integrate physical activity through clinical commissioning pathways - demonstrate local leadership to active networks of professionals to promote physical activity in clinical care - motivational interviewing into clinical assessment - support local physical activity champions in clinical settings - integrate active lifestyle messages into every service
question
The impact of brief (1-2 minutes) physical activity advice
answer
- meta-analysis of advice from health professionals of inactive individuals - > 12month follow-up - brief advice almost as effective as intensive action (NNT = 12) - more effective than smoking cessation advice (NNT = 30-50)
question
NNT
answer
number needed to treat to get one person to improve/stop, etc.
question
Brief physical activity advice only addressed _______% of the time in primary care
answer
20-32
Get an explanation on any task
Get unstuck with the help of our AI assistant in seconds
New