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Introduction to Sports Biomechanics: Analysing Human Movement ...

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INDEX<br />

292<br />

validity 220<br />

vantage points 53<br />

variability 112<br />

sources of 107–9<br />

see also movement variability<br />

vec<strong>to</strong>rs 140–1, 157–62, 164<br />

addition and subtraction 158–61<br />

composition 158<br />

multiplication 162<br />

velocity 91–2, 118<br />

velocity–time graph 187, 188<br />

vertical axis 4<br />

movements about 227<br />

Vicon? 122<br />

video cameras<br />

analog 118, 120<br />

digital see digital video cameras<br />

videography<br />

defined 152<br />

force plate studies 209<br />

number of trials/performances 53<br />

problems and sources of error 107–9,<br />

123–6<br />

for qualitative analysis 51–4<br />

for quantitative analysis 116, 118,<br />

120–33<br />

three-dimensional recording 130–3<br />

two-dimensional recording 126–30<br />

two- vs three-dimensional 122–3<br />

video recordings (clips)<br />

book’s website 8<br />

qualitative analysis 35–6<br />

still images from 8, 35–6<br />

viscoelastic 248, 280<br />

viscosity 172, 220<br />

volleyball<br />

floating serve 180<br />

spike 81<br />

vertical jumping 186–8<br />

wake 173, 174, 220<br />

wake (pressure) drag 175–6<br />

walking 9–13<br />

angle–angle diagrams 101, 102<br />

image sequences 10, 11, 12, 13, 14, 15<br />

phase planes 106<br />

phases 9<br />

water flow 173<br />

water sports 176<br />

wave drag 176<br />

wave summation 249<br />

weight 165–6<br />

weighting 169–70<br />

windsurfing 176<br />

work–energy relationship 64–5, 78<br />

wrist 237<br />

yachts, racing 176, 177, 178

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