Gait Analysis of Lower Limb Prosthesis with Socket Made from Rattan Fiber Reinforced Epoxy Composites
Agustinus Purna Irawan, I Wayan Sukania · 2015
Rattan fiber is one of the natural fibers that has good potential to be developed into biocomposite. In this study, we have developed Rattan Fiber Reinforced Epoxy Composites (RFREC) materials. Composite materials have been developed, used to produce a prototype of lower limb prosthesis, especially in the socket component. In research and development of lower limb prosthetic socket by using RFREC materials, has implemented three tests that the compressive load test refers to ISO 10328, gait analysis by using Six Minute Walk Test Method (6MWT), and psychophysical analysis by measuring the pulse rate of the respondents before and after gait analysis done. The test results showed that maximum compressive load of socket: (5.54 ± 0.3) kN. Such as besides, gait analysis results showed that walking speed: (0.6 ± 0.01) m/s, cadence: (86.3 ± 0.33) steps/min, step width: (20.8 ± 0.84) cm, stride length: (84.4 ± 1.14) cm, stride total: (259 ± 1.00) cycles, and walking length total: (218.6 ± 3.41) m. Furthermore, the result of measurement of pulse rate before test: (84.6 ± 0.83) pulse/min and after test: (88.9 ± 0.92) pulse/min. Therefore RFREC materials can be further developed as prosthesis socket materials with good level in safety and comfort. It can be analyzed from the results of the compressive load test, the results of gait analysis and the results of physiological analysis, as described in this paper.