142. Sprint Running Kinetics

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142. Sprint Running Kinetics

 

 

CATEGORY: Sports & Recreation 250 Courses

COURSE NUMBER: 142

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Syllabus

Attestation of authorship …………………………………………………………………………………………..IX
Co-authored works…………………………………………………………………………………………………….X
Acknowledgements…………………………………………………………………………………………………XIV
Publications arising from this thesis………………………………………………………………………..XVI
Published or accepted peer-reviewed articles………………………………………………………….XVI
Peer-reviewed articles currently under review ………………………………………………………..XVI
Conference presentation arising from this thesis…………………………………………………… XVII
List of Tables………………………………………………………………………………………………………XVIII
List of Figures……………………………………………………………………………………………………….. XX
Chapter 1 Preface …………………………………………………………………………………………………….1
1.1 Thesis rationale …………………………………………………………………………………………….7
1.2 Originality of the thesis………………………………………………………………………………….8
1.3 Thesis organisation ……………………………………………………………………………………….9
1.4 Significance of study……………………………………………………………………………………11
1.5 References………………………………………………………………………………………………….12
Chapter 2 Assessing youth sprint ability – methodological issues, reliability and
performance data ……………………………………………………………………………………………………..18
2.1 Prelude ………………………………………………………………………………………………………18
2.2 Introduction………………………………………………………………………………………………..19
2.3 Methods……………………………………………………………………………………………………..20
2.3.1 Overground running tests……………………………………………………………………………………20
2.3.1.1 Methodological issues…………………………………………………………………………………………… 30
2.3.1.2 Reliability of overground sprint running assessments………………………………………………… 30
2.3.2 Torque treadmill………………………………………………………………………………………………..31
2.3.2.1 Methodological issues…………………………………………………………………………………………… 31
2.3.2.2 Reliability of torque treadmill sprint running assessments………………………………………….. 32
2.3.3 Non-motorised treadmill …………………………………………………………………………………….32
2.3.3.1 Methodological issues…………………………………………………………………………………………… 32
2.3.3.2 Reliability of non-motorised treadmill sprint running assessments………………………………. 33
2.4 Results……………………………………………………………………………………………………….35
2.4.1 Performance data of overground sprinting…………………………………………………………….35
2.4.2 Performance data of torque treadmill……………………………………………………………………37
2.4.3 Performance data of non-motorised treadmill………………………………………………………..38
2.5 Discussion and conclusions………………………………………………………………………….38
Chapter 3 Effect of different training methods on running sprint times in male youth …40
3.1 Prelude ………………………………………………………………………………………………………40
3.2 Introduction………………………………………………………………………………………………..41
3.3 Methods……………………………………………………………………………………………………..45
3.4 Results……………………………………………………………………………………………………….46
3.4.1 Specific sprint training forms………………………………………………………………………………49
3.4.1.1 Sprint training………………………………………………………………………………………………………. 49
3.4.1.2 Resisted sprint training………………………………………………………………………………………….. 51
3.4.1.3 Assisted sprint training………………………………………………………………………………………….. 51
3.4.2 Non-specific sprint training forms ……………………………………………………………………….52
3.4.2.1 Strength and power training …………………………………………………………………………………… 52
3.4.2.2 Plyometric training……………………………………………………………………………………………….. 55
3.4.3 Combined training……………………………………………………………………………………………..58

3.5 Discussion and conclusions………………………………………………………………………….61
Chapter 4 Sprint running kinematics and kinetics in pre-peak-height-velocity male
children on a non-motorised treadmill: reliability and normative data…………………………..65
4.1 Prelude ………………………………………………………………………………………………………65
4.2 Introduction………………………………………………………………………………………………..66
4.3 Methods……………………………………………………………………………………………………..69
4.3.1 Participants……………………………………………………………………………………………………….69
4.3.2 Equipment ………………………………………………………………………………………………………..69
4.3.3 Procedures………………………………………………………………………………………………………..70
4.3.4 Data analysis …………………………………………………………………………………………………….72
4.3.5 Statistical analysis……………………………………………………………………………………………..72
4.4 Results……………………………………………………………………………………………………….73
4.5 Discussion and implications …………………………………………………………………………75
4.6 Conclusion …………………………………………………………………………………………………77
Chapter 5 The effect of four different step detection thresholds on the kinematics and
kinetics of a 30 metre sprint on a non-motorised treadmill……………………………………………78
5.1 Prelude ………………………………………………………………………………………………………78
5.2 Introduction………………………………………………………………………………………………..79
5.3 Methods……………………………………………………………………………………………………..81
5.3.1 Subjects……………………………………………………………………………………………………………81
5.3.2 Data acquisition and analysis………………………………………………………………………………81
5.3.3 Statistical analysis……………………………………………………………………………………………..86
5.4 Results……………………………………………………………………………………………………….86
5.5 Discussion………………………………………………………………………………………………….89
Chapter 6 Kinematic and kinetic variables of maximum running speed in youth across
maturation……………………………………………………………………………………………………………….92
6.1 Prelude ………………………………………………………………………………………………………92
6.2 Introduction………………………………………………………………………………………………..93
6.3 Methods……………………………………………………………………………………………………..96
6.3.1 Participants……………………………………………………………………………………………………….96
6.3.2 Equipment ………………………………………………………………………………………………………..97
6.3.3 Testing procedures…………………………………………………………………………………………….98
6.3.4 Data analysis …………………………………………………………………………………………………….99
6.3.5 Statistical analysis……………………………………………………………………………………………100
6.4 Results……………………………………………………………………………………………………..101
6.5 Discussion………………………………………………………………………………………………..105
6.6 Practical applications…………………………………………………………………………………111
Chapter 7 Vertical and leg stiffness and stretch-shortening-cycle changes across
maturation during maximal sprint running ………………………………………………………………113
7.1 Prelude …………………………………………………………………………………………………….113
7.2 Introduction………………………………………………………………………………………………114
7.3 Methods……………………………………………………………………………………………………118
7.3.1 Design ……………………………………………………………………………………………………………119
7.3.2 Methodology …………………………………………………………………………………………………..120
7.3.2.1 Data collection …………………………………………………………………………………………………… 120
7.3.2.2 Data analysis ……………………………………………………………………………………………………… 121

7.3.3 Statistical analysis……………………………………………………………………………………………123
7.4 Results……………………………………………………………………………………………………..124
7.5 Discussion………………………………………………………………………………………………..128
7.6 Conclusions………………………………………………………………………………………………133
Chapter 8 Asymmetries during running in male youth …………………………………………….134
8.1 Prelude …………………………………………………………………………………………………….134
8.2 Introduction………………………………………………………………………………………………135
8.3 Methods……………………………………………………………………………………………………138
8.3.1 Participants……………………………………………………………………………………………………..138
8.3.2 Equipment ………………………………………………………………………………………………………139
8.3.3 Procedures………………………………………………………………………………………………………140
8.3.4 Data analysis …………………………………………………………………………………………………..141
8.3.5 Statistical analysis……………………………………………………………………………………………141
8.4 Results……………………………………………………………………………………………………..142
8.5 Discussion………………………………………………………………………………………………..144
8.6 Conclusions………………………………………………………………………………………………146
8.7 Acknowledgement …………………………………………………………………………………….148
Chapter 9 Acute effects of sled towing on sprint time in male youth of different maturity
status ……………………………………………………………………………………………………………..149
9.1 Prelude …………………………………………………………………………………………………….149
9.2 Introduction………………………………………………………………………………………………150
9.3 Methods……………………………………………………………………………………………………151
9.3.1 Participants……………………………………………………………………………………………………..151
9.3.2 Study design……………………………………………………………………………………………………152
9.3.3 Procedures………………………………………………………………………………………………………152
9.3.4 Statistical analysis……………………………………………………………………………………………153
9.4 Results……………………………………………………………………………………………………..154
9.5 Discussion………………………………………………………………………………………………..157
Chapter 10 The effect of resisted sprint training on running performance in youth……..159
10.1 Prelude …………………………………………………………………………………………………….159
10.2 Introduction………………………………………………………………………………………………160
10.3 Methods……………………………………………………………………………………………………163
10.3.1 Experimental approach to the problem……………………………………………………………163
10.3.2 Subjects………………………………………………………………………………………………………163
10.3.3 Procedures…………………………………………………………………………………………………..164
10.3.4 Training………………………………………………………………………………………………………166
10.3.5 Data analysis……………………………………………………………………………………………….167
10.3.6 Statistical analysis………………………………………………………………………………………..170
10.4 Results……………………………………………………………………………………………………..171
10.5 Discussion………………………………………………………………………………………………..175
10.6 Practical applications…………………………………………………………………………………178
10.7 Acknowlegement ………………………………………………………………………………………178
Chapter 11 Summary, practical applications and future research directions……………….180
11.1 Summary………………………………………………………………………………………………….180
11.2 Delimitations and limitations………………………………………………………………………187
11.3 Practical applications…………………………………………………………………………………189
11.4 Future research………………………………………………………………………………………….191
References ……………………………………………………………………………………………………………..194
Appendices……………………………………………………………………………………………………………..215
Appendix 1: Ethics approvals………………………………………………………………………………..216
Appendix 2: Participation information sheet ……………………………………………………………219
Appendix 3: Parents information sheet……………………………………………………………………226
Appendix 4: Consent forms…………………………………………………………………………………..236
Appendix 5: Assent forms …………………………………………………………………………………….240
Appendix 6: Abstracts…………………………………………………………………………………………..243
Chapter 2 ……………………………………………………………………………………………………………………243
Chapter 3 ……………………………………………………………………………………………………………………243
Chapter 4 ……………………………………………………………………………………………………………………244
Chapter 5 ……………………………………………………………………………………………………………………244
Chapter 6 ……………………………………………………………………………………………………………………245
Chapter 7 ……………………………………………………………………………………………………………………245
Chapter 8 ……………………………………………………………………………………………………………………246
Chapter 9 ……………………………………………………………………………………………………………………246
Chapter 10 ………………………………………………………………………………………………………………….247
Chapter 11 ………………………………………………………………………………………………………………….247

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