An instrumented object for hand exercise and assessment using a pneumatic pressure sensor.

Area of Science:

• Biomedical Engineering
• Rehabilitation Technology
• Biomechanics

Background:

• Accurate grip force measurement is crucial for hand exercise and physical rehabilitation.
• Conventional grip dynamometers have limitations, particularly for individuals with hand deformities due to disease.

Purpose of the Study:

• To analyze a pneumatic pressure sensing object as an alternative for hand grip assessment.
• To describe the fabrication of an easy-to-use grip sensor.
• To evaluate its utility in assessing maximal and continuous grip forces for rehabilitation.

Main Methods:

• Development and analysis of a sealed pneumatic object for grip force measurement.
• Fabrication of a prototype grip sensor.
• Design for assessing both maximal voluntary and continuous grip forces.

Main Results:

• The pneumatic object provides an alternative to traditional dynamometers, accommodating various hand shapes.
• The sensor can measure both maximal and continuous grip forces, aiding in monitoring hand function.
• The fabrication process is straightforward, suggesting potential for widespread use.

Conclusions:

• The pneumatic pressure sensing object is a viable and adaptable tool for hand grip assessment in physical rehabilitation.
• It offers advantages over standard grip dynamometers, especially for patients with altered hand anatomy.
• This technology can support therapeutic interventions for conditions like stroke and spinal cord injury.