WITHDRAWN: Real time data on hand grip strength in a population-based study using fiber Bragg grating

Abstract

Grip strength, also known as wrist angular strength is anthropometric measurement which is an indicator of hand muscle health. The measurement is included in longitudinal studies because it is an indicator of the overall well-being of a person. Grip strength can be used as a screening tool for measurement of upper body strength and overall strength. It is also used as an easy measure of skeletal muscle and neuromuscular functions. The body strength plays an important role in determining the abilities or ailments of the physical human body. We can test the human body with respect to the hand grip measurement which is proportional to the body strength. This is here used to make a gender stratified, hand dominance based comparative study of hand grip strength in individuals of all age groups in different wrist positions such as extension, flexion and normal to produce real time data. Fiber Bragg Grating (FBG) sensor is a type of distributed Bragg reflector, constructed in a segment of optical fiber that reflects specific wavelengths of light and transmits the rest, whose reflections are recorded as change in wavelength in the form of waveforms. The obtained results are later converted to force in kilograms by using a calibration value obtained using load cell. The results obtained by FBG sensor can be accessed directly through a computer which records the real time data both numerically and in the form of graph.