Measuring the differences and changes in body posture and movement using a three-dimensional motion analysis system! Here are examples of tennis swings for beginners and experienced players.
The markerless three-dimensional motion analysis system "Anakin System" allows for motion measurement without markers, enabling measurements of posture and movement without hassle by bringing equipment to the site while wearing everyday clothing. In the example of a tennis swing, differences in body axis (core) alignment were observed between experienced players and beginners. Focusing on the displacement in the X-axis direction between Spine1 and Spine2, it was found that experienced players had smaller displacements, while beginners had larger ones, resulting in unstable shots. 【Features】 ■ Precise motion analysis can be conducted without attaching markers to the subjects. ■ No specialized knowledge is required for attaching markers due to the markerless design. ■ Measurements can be taken quickly while wearing everyday clothing. ■ Measurement results can be immediately checked on a computer and analyzed on-site. *For more details, please refer to the PDF document or feel free to contact us.
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basic information
**Why Measure Human Posture and Movement?** The ease or difficulty with which a person handles objects is unconsciously reflected in their posture and movements. For example, the way one opens an easy-to-open container differs from that of a harder-to-open one. Similarly, the way one walks varies between comfortable shoes and uncomfortable ones. Furthermore, the state of a person's body is also reflected in their posture and movements. For instance, changes in walking posture can occur due to aging or illness. Research has shown that individuals at higher risk for dementia tend to have slower walking speeds. Conversely, those who regularly engage in physical training exhibit improvements in their walking posture. **Why Measure Without Markers?** A depth camera captures data on the entire body shape of a person (surface point cloud data). However, this data alone does not provide information about joint positions. Therefore, by overlaying this data with a standard human model of similar height, we can determine the joint positions. This is how we can understand posture and movement without the use of markers. *For more details, please refer to the PDF document or feel free to contact us.*
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Applications/Examples of results
【Application Areas】 ■ Medical and Welfare Field (Measurement of walking posture, stride, and walking speed) ■ Sports Field (Motion measurement) ■ Fitness Field (Measurement of walking posture) *For more details, please refer to the PDF document or feel free to contact us.
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Company information
HAL Design Research Institute Co., Ltd. is a company that conducts analysis, design, engineering, and consulting based on various measurements and measurement data. Our main product is the "Markerless 3D Motion Analysis System." We also offer a variety of other measurement services, so please feel free to contact us if you have any requests.