Leg Length Martial Arts

Unit 5 Research Project
Worthing College Sports Science
[Ryan McKeon ]
2015

Assessment Criteria
Pages 3-17 & 27-38
• P2: carry out sport science or exercise science-
based research
• P3: collect and record data from the research
project conducted
• M2: correctly analyse collected data, describing
techniques used
• D1: correctly analyse data, explaining techniques
used
• P4: produce a full research report using a
standard scientific structure

To investigate if leg length leads to
an increased hit to miss ratio with
kicks in performance level martial
arts competitive fighters
P2: Carry out / P4: Produce

Abstract
my aim was To investigate if leg length leads to
an increased hit to miss ratio with kicks in
performance level martial arts competitive
fighters we tested 5 peoples leg length and
analysed their fighting styles based on their leg
length and found that martial artist with longer
legs had more points with their kicks and used
their kicks more then fighters of a smaller leg
length

Contents: General
P3: aim
P4: abstract
P5: contents general
P6:contents figures and tables
P7: acknowledgments
P8: introduction
P9: literature review
P10: project hypotheses
P11: method
P12: data collection
P13: data analysis
P14: results
p15: discussion
P17: assessment criteria
P18,19,20: review
P21,22,23,24,25 future recommendations

Contents: Figures and Tables
P27: spearman table for leg ratio
P28: spearman table for punch ratio
P29: spearman ratio headshots

Acknowledgements
id like to thank Dan cotton, Luke Ingham, Ben
damone, Paul O’riley, Terry Gower and Dan
Robinson for doing my tests I would also like to
thank master lowndes for allowing me to use his
building and I would also like to thank Nicky
Cotton and Gemma Abrahams for helping me
carry out my tests

Introduction
The aim of my objective is to investigate to see if leg
length lead to an increased hit to miss ratio in
performance level martial arts competitive fighters
I choose this aim because it is in a sport I feel very
highly for and there is very little scientific data
around martial arts, most of it is just widely
accepted theory's and so I plan to try and change
that.
The project time scale would be 2 weeks as this
gives me more than enough time to do my test and
so get as much data as possible

Literature Review and References
https://worthingsportscience.wordpress.com/20
15/02/27/unit-5-literacy-review-ryan-mckeon/

Project Hypothesis
My hypotheses are as follow
Martial artist with longer legs will kick more and
score more points with kicks
Martial artists with longer legs will get more
headshots with kicks then those with shorter
legs
martial artist with longer legs will have more
reach with the legs when compared to those of
shorter legs

Method
The method for my tests are as follow
First we took the leg length of all the people in the test measured from
the foot to the hip bone We then had them fight each other in a
sparing environment(2:30 minute rounds, points only on a 4 meter by
4 meter matt with 3 referees) and told them to fight normally we
filmed each fighter 3 times fighting 3 different people and broke down
there attacks into kicks, punches and then those down into kicks
scored, missed, contact and illegal hit once we had done this for all the
fighters we put those into a spearman table we did this because my
experiment was based on ratio and where scatter graphs only give a
visual relationship a spearman table gives a true relationship, we had
the fighters fight 3 different people in order to stop them from fighting
someone the were comfortable fighting and it gave me lots of useful
data as they would be fighting people with different fighting style
P3: Collect and record / M2: Correctly analyse & describe techniques / D1: Correctly analyse & explain techniques

Data Collection
My data collection is experimental and is made up of field based test’s as
there is very little data on the internet related to my aim, I need to look at the
leg length and kick to hit ratio of performance level competitive martial
artists this data will be classified as ratio data, the information that I will
gather will be quantitative data, my tests are bespoke this is because there
are no tests related to kick to hit ratio specifically to martial arts and so I need
to create some accurate tests that will give me continuous data, so with this
in mind I will need to make sure I have a detailed method to ensure reliability
and validity. The population for my test are easy to access as I train with them
and know them on a personal level they are categorised as performance level
competitive martial artists this means that they will come under the category
of nominal data , since my results will be collected by me they will be primary
data, in my data collection phase I will conduct my bespoke tests and collect
my data it will last for 2 week as everyone in my population cannot do the
same days with this in mind I have giving myself a long period to collect my
data so that I can get as many people tested as possible this will help to
improve the reliability and validity of my test.

Data Analysis
My data shall be shown in a spearman table as
this shows a true correlation of 2 factors, unlike
a scatter graph that shows only a visual
correlation this graph shows a true correlation
this also means that the data is in a very easy
form to see and will count as ratio data

Results
My results show me that martial artist with longer legs have a higher
hit ratio with kicks than the fighters with shorter legs they had a score
of 0.714285714 which means that there is a strong correlation
between leg length and hit ratio see figure 1
They also show me that martial artist with shorter legs also score more
of their points with punches instead of kicks this had a score of
0.885714286 which is a very strong correlation see figure 2
The last result that I found was that there was only a moderate
correlation between headshots scored with kicks and leg length so
even though some people had longer legs they didn’t score more then
those with shorter legs see figure 3

Discussion
from my results I found that leg length has a
massive effect on how you fight in martial arts I
was surprised that leg length did not have a s
massive of a effect on headshots as it did but
the others where as expected in my opinion

Conclusion
My aim was To investigate if leg length leads to
an increased hit to miss ratio with kicks in
performance level martial arts competitive
fighters and I completed it to the best of my
ability I have found that leg length does have a
affect on hit ratio and I am able to back that
claim up with the data I have found out

Assessment Criteria Pages 19-26
• P5: carry out a review of the research project
conducted, describing strengths, areas for
improvement and future recommendations.
• M3: carry out a review of the research project,
explaining strengths, areas for improvement
and future recommendations.
• D2: carry out a review of the research project,
justifying future recommendations for further
research.

Review (1/3)
My project conclusion meet my aim well as I was
able to justify my reasons for saying that the aim
was meet by looking at the tables in the results
section, due to figures 1 2 and 3 I can back up
this claim and so I feel that this proves that leg
length does have a effect on martial arts
P5: Describe / M3: Explain / D2: Justify

Review (2/3)
The strengths of my project was that it was
relatively simple I didn’t need to have a huge
amount of data and equipment to do these test
this meant I had more time to test people and
work out the data this mean that I could spend
those 2 weeks training

Review (3/3)
The areas for improvement are as follow I had to
change up some ideas for my tests because I
didn’t have the right equipment for it this meant
that I needed to change my tests now this
wasn’t to bad but more of a annoynce

Future Recommendations (1/5)
I would make sure I have a large group to test
because even though I gave myself 2 weeks to
test I was still short on people I only had about 6
do the test so that’s what I would change as it
would give me more reliable information
P4: Produce / P5: Describe / M3: Explain / D2: Justify

The benefits of this would mean that I would
have a large amount of data to analyse which
would hide any anomalies and make my work
more reliable this can make my work more
respected if ever used again to back up a claim
similar to this one

I would say make sure you have good equipment
if you plan to do this test again as if you wish to
add tests like I wanted to you would be able to
do that as your equipment would allow that

I would make sure that you have a large group
of helpers as you will need refs people to film
and people to analyse the videos so to avoid
someone being over worked id make sure you
have a large group to do that

Lastly I would make sure that you have a good
camera to film the tests as you are going to need
to take a large amount of videos to make sure
that you can see every detail

Research Project Figures
and Tables

Leg Length Martial Arts

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