Introduction to Sports Biomechanics: Analysing Human Movement ...

throw (Figure 1.29) is probably best characterised as a sidearm throw rather than an
underarm throw.
Overarm throws
MOVEMENT PATTERNS – THE ESSENCE OF SPORTS BIOMECHANICS
Figure 1.30 Overarm throw – javelin throw. Top left: withdrawal of javelin; top right: start of crossover; middle left: crossover;
middle right: start of delivery stride; bottom left: left foot landing; bottom right: release.
Overarm throws are normally characterised by external rotation (see Box 1.2) of the
upper arm in the preparation phase and by its internal rotation in the action phase.
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