Weekly Quiz Questions Flashcards
What does Steven Blair (2009) warn will become the “biggest public health problem of the 21st century?
Physical inactivity
2 reasons why physical activity guidelines may be ineffective in increasing population physical activity:
People are told what to do, not how to do it
Lifestyle changes are not often sustained
What is the minimum amount of weekly physical activity for adults (18-64 years) recommended by the WHO to promote and maintain health?
150 minute of moderate intensity activity and muscle strengthening exercise twice a week
What is the alternative name for exercise science
Kinesiology
True or false: One implication of “specifity of adaptation” of strength and power, is that fitness assessments should be specific (similar) to fitness training. That is, the fitness test should require use of largely the same muscles and prefer alt pattern (s) of movement
True
Which method of measuring 2 compartment body mass (FM and FFM) is most reliable?
Dual energy X-ray absorptiometry
True or false: Fat is a valuble energy source in the body
True
The best form of exercise to burn fat energy stores is…
Prolonged, medium intensity
True or false: Fat secretes chemicals and metabolises sex hormones
True
BMI calculation
Body mass (kg)/Height(m2)
In the history of the WHO’s use of BMI, explain the upper limit of normal
The upper limit of normal has been shifted down from 27.8 to 25 kg/m2
The Achilles tendon inserting on the calcaneal tuberosity is an example of which kind of lever
Class 2 lever
Which class of lever has evolution typically favoured in relation to the mechanical configuration of our skeletal muscles
Class 3 lever
The 2 compartments of torque are:
Force and moment arm
As humans have long bones, there is a mechanical disadvantage of muscle attachments close to the fulcrum, but what advantages does adaptation this promote
Move with speed across a wide range of motion