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Vettoriale Stock Lever systems in human body for neck, leg and arm movement outline diagram. Labeled educational scheme with biomechanics examples as effort, fulcrum or load force motion principle vector illustration.
![Figure 2 from Human body biomechanics under incidence of induced positive/negative emotions | Semantic Scholar Figure 2 from Human body biomechanics under incidence of induced positive/negative emotions | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/70ffb7b0d7852e182524555f06c0da7798260c56/2-Figure2-1.png)
Figure 2 from Human body biomechanics under incidence of induced positive/negative emotions | Semantic Scholar
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