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BPK 143 Study Guide - Deconditioning, Infraspinatus Muscle, Brachioradialis


Department
Biomedical Physio & Kines
Course Code
BPK 143
Professor
Tony Leyland

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K a r a n T h u k r a l , 3 0 1 1 7 4 5 2 2
KIN 143
Assignment 1
SPRING 2013
08
Fall
Submitted by:
Karan Thukral
301174522
C200

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1. Briefly describe the four principles of physiologic conditioning. [4]
[One-half mark for listing the principle and one-half mark for a short description]
The term physiologic conditioning refers to a planned program of exercise
directed toward improving the functional capacity of a particular bodily
system. The four principles of physiologic conditioning are
Overload principle - Every tissue in the body adapts to different kinds of
stress. If for example we want a muscle to just get stronger and not bigger,
we must create overload in the target system. When we stress the body in a
manner it’s not used to, the body will react by causing physiological
changes to be able to handle that stress in a better way the next time it
occurs.
Specificity principle - Specific exercise elicits specific adaptations that
create specific training effects. The principle of Specificity also implies that
to become better at a particular exercise or skill, you must perform that
exercise or skill. For example - To be a good cyclist, one must cycle. A
runner should train by running and a swimmer should train by swimming.
Reversibility principle - A regular program of activity must be maintained to
prevent de-conditioning and loss of functional capacity. If the rest period is
longer than necessary athletes miss an opportunity to overload their
system and force even more adaptation.

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Individual differences principle-an exercise plan must be adjusted to your
body’s response to exercise. It is possible to work within a similar exercise
program template but we can’t all do the same thing and expect the same
result.
2. Compare the advantages and disadvantages of experimental studies
versus epidemiological studies for investigating the relationship between
physical activity and health. [4]
ADVANTAGES:
1. ACCURATE RESULTS: In an experimental study, all variables are kept constant
within the groups except the variable of interest. This is to make sure that we get
accurate results. While in the epidemiological studies they may look at groups of
exercisers compared with non-exercisers, or groups with physically active
occupations versus those with sedentary occupations and try to find correlations.
2. ITS NOT RANDOM: In an experimental study, you would have two groups with
identical lifestyles except for their exercise. They would have to sleep the same
amount, eat the same food, smoke and drink the same, and so on. Where as in
epidemiological study groups are being compared to each other based on their
fitness level.
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