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Article History

Received: 26 January 2026

Accepted: 6 April 2026

First Online: 13 April 2026

Declarations

:

: The authors declare no competing interests.

: This study did not require ethical approval by an institutional review board because it involved only a single healthy adult volunteer, with no collection of identifiable personal data, medical interventions, or health-related information. All procedures were non-invasive, and the data collected consisted solely of anonymized motion tracking from video.

: This study involved a single healthy adult volunteer and did not include any medical intervention, clinical assessment, or collection of personal or health-related data. All procedures were non-invasive and limited to video-based motion capture for engineering and educational purposes. According to the institutional policies of Chulalongkorn University governing research involving human participants, ethical approval by an institutional review board (IRB) was not required for studies of this nature, which are classified as minimal risk and non-clinical. All procedures were conducted in accordance with relevant institutional guidelines and regulations, as well as the principles of the Declaration of Helsinki. Written informed consent was obtained from the participant prior to data collection, including consent for the publication of anonymized images in an open-access journal.