Introduction to Sports Biomechanics: Analysing Human Movement ...

INTRODUCTION TO SPORTS BIOMECHANICS
Figure 1.15 Young male running at his preferred speed in casual shoes. Top left: left foot toe-off (0 s); top right: right foot
touchdown (0.12 s); middle left: right foot mid-stance; middle right: right foot toe-off (0.36 s); bottom left: left
foot touchdown (0.48 s); bottom right: left foot mid-stance.
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clips of people running. These illustrate differences between males and females,
between young and older adults and young children, between overground and treadmill
locomotion, at different speeds, and with various types of footwear. Figures 1.13 to 1.19
contain still images from a selection of these video clips. Observing these figures, you
should note, in general, the following patterns of flexion and extension of the hip, knee
and ankle; you should also study the video sequences on the book’s website to become