sedentary lifestyle Flashcards
paper 2
why are more people leading a sedentary lifestyle?
- more people use public transport rather than walk
- more jobs are computer based and are therefore sedentary
- large amount of time at school or work is spent sitting
- large amounts of time at home is spent sitting playing computer games and watching TV
what are the 7 main health risks of a sedentary lifestyle?
- obesity/excessive weight gain
- poor self-esteem
- hypertension (high blood pressure)
- poor sleep
- type 2 diabetes
- heart disease and stoke
- lethargy (lack of energy)
why is obesity caused by a sedentary lifestyle?
due to inactivity and a reduction in metabolic rate
why is poor self-esteem caused by a sedentary lifestyle?
being overweight or obese can lead to depression, a lack of brain function and release in serotonin
why is hypertension caused by a sedentary lifestyle?
lack of exercise and a poor diet can lead to an inefficient heart and potentially damaged blood vessels
why is poor sleep caused by a sedentary lifestyle?
- lack of oxygen delivery to cells and excessive weight have been linked to snoring and restless legs
- this disturbs sleep, as does not doing enough exercise to feel tired at night
why is type 2 diabetes caused by a sedentary lifestyle?
being overweight can increase the risk of developing type 2 diabetes
why is heart disease caused by a sedentary lifestyle?
high blood pressure and cholesterol increase the risk of a heart attack and a stroke
why is lethargy (lacking energy) caused by a sedentary lifestyle?
low oxygen levels can lead to a feeling of fatigue and tiredness
what is obesity?
a term used to describe people with a large fat content, caused by an imbalance of calories consumed compared to energy expenditure
what BMI does someone have to be considered obese?
over 20% above standard weight to height ratio
what physical health issues can obesity lead to?
cancer, heart disease, heart attacks, type 2 diabetes, high cholesterol
what mental health issues can obesity lead to?
depression, low self-esteem, loss of confidence
what social health issues can obesity lead to?
an inability to socialise (loss of confidence), inability to leave home (lack of mobility)
how does obesity affect cardiovascular endurance?
limits it- unable to exercise without stopping repeatedly, due to excess weight and the drop-in efficiency of cardio-respiratory system
how does obesity affect flexibility?
limits it- excess fat around the joints restricts movement
how does obesity affect agility?
limits it- excess weight makes it harder to change direction quickly
how does obesity affect speed/power?
limits it- excess weight makes it harder to move fast
