Week 1- Concepts Of Physical Activity And Exercise

Question 1

Physical activity

Answer 1

Describes the muscular work performed in the maintenance of posture, activities of daily living, walking and for occupational leisure and sporting activities

Question 2

Sedentary behaviour

Answer 2

Refers to any behaviour characterised by energy expenditure less than or equal to 1.5 METS while in a sitting, reclining or lying posture

Question 3

Physical fitness

Answer 3

A set of physiological attributes which people have or achieve that relate to the ability to perform physical activities. The capacity of the cardiorespiratory and skeletal muscle are at the centre of the fitness concept

Question 4

Cardiorespiratory fitness

Answer 4

Conferred by the capacity of the circulatory and respiratory systems to supply oxygen and skeletal muscle to utilise oxygen

Question 5

Muscle strength

Answer 5

The maximum magnitude of force (amount)

Question 6

Muscle explosive power

Answer 6

The maximum rate of the work

Question 7

Fatigue

Answer 7

Reduced ability to perform physical activity. Decline i muscle tension with repeated stimulation

Question 8

Exhaustion

Answer 8

Losing the ability to perform physical activity

Question 9

What happens to muscle mass with age?

Answer 9

Less muscle mass. More infiltration of material which won’t help with muscle contraction
Weaker bones
Training can help address these factors