A Development of Knee Support for Vastus Medialis Oblique Muscles for Thai Patients

Abstract

This study proposed the design of knee training and equipment for the Thai people physiology. This equipment allows the patient to fully control the stretching of the knee, the Vastus Medialis Oblique (VMO) movement fully extended. The researchers developed a knee support training device using an IMU sensor attach to the knee and sent knee extension exercise data to the tablet via Wi-Fi. The training program support 3 postures; sit and move the leg forward, stand up and move the leg backward, stand up and move the leg beside. Training provides 4 games to simulate a knee extension. Trainees control knee movement to control the direction of the game. The experimental result was gaining from 70 participants who are aging 18-45 all genders, with VMO weakness, Testers was divided into 2 groups: did only exercise, exercise using Trigo wireless. Electromyography (EMG) is a measure of the level of knee stretching at the end of the movement of VMO and Vastus Lateralis (VL), which used in exercise for the treatment of knee pain. The evaluation based on the patient's stretching ability and the practice. The results of tester who using the training tools have improvement. The ability to flex the knee can be increasing by an average of 36° (in the range 0° - 90°) and the average pain level was decreasing by 3.1 levels (in the range of 0 - 10 levels). From the experimental results, the development of training as a model for the development of a knee support training program prevented injury in the elderly and muscle recovery from deterioration and injury.