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- Unpack each prototype package which contains several pieces of silicon cushion and two electric goniometer devices. Each device consists of a customized finger ring and a sensor unit that has been attached to the finger ring using hot melt glue.
- Apply the central part of the silicon cushion around the dorsal side of the proximal phalangeal. Wrap up the phalangeal horizontally with the silicon cushions (Appendix III-5 and 7).
- Pick the electric goniometer device with a finger ring size that fits the proximal phalangeal (Appendix III-6). Let the finger cross the finger ring component of the device and ensure that the sensor unit is at the dorsal side of the phalangeal. The finger ring should wrap the silicon cushion on the proximal phalangeal (Appendix III-8).
- Repeat procedures 2 and 3 to wear the goniometer for the medial phalangeal (Appendix III-9).
- The participants (both healthy and post-surgery individuals) will wear the prototype for one hour while performing daily tasks such as drinking water, lifting small objects, writing, using a smartphone, doing light exercise, and using keyboards. The goal is to evaluate the comfort level, durability, degree of freedom, and other subjective perceptions of the prototype.
- After wearing the prototype, participants will be given a questionnaire to complete for subjective and objective evaluations. The subjective evaluation will focus on comfort level, durability, degree of freedom, skin fitness, and other related perceptions. The objective evaluation will focus on biomaterial compatibilities, including allergenic reactions and perspirability during the wearing period.