Final answer:
In biomechanical analysis, the third step involves understanding motions and mechanics, followed by observation or measurement and considering influencing factors.
Step-by-step explanation:
- Understand motions and mechanics: The third step in a model of analysis for biomechanics is to understand the motions and mechanics involved. This includes studying the movements of the body, the forces acting on it, and the principles of physics that govern these movements.
- Observe or measure: Once the motions and mechanics are understood, the next step is to observe or measure the relevant variables. This may involve using motion capture technology, force plates, or other tools to collect data on the movements and forces involved.
- Consider influencing factors: Before analyzing the data, it is important to consider the influencing factors that may affect the biomechanical analysis. These factors can include variables such as body composition, environmental conditions, and equipment used.
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