Sciatica is a frequently encountered leg pain that originates in the human lower back and travels down the buttocks through the large sciatic nerve present in the back of the leg. Due to lifting heavy loads at different angles, the humans could acquire sciatica at different levels. Thus, the reason of using biomechanical model was to mimic the human spine in such a way that the increased force while lifting the load could easily be measured. This could help to beware the humans to not lifting load at these angles. This paper presents the findings of an experiment conducted to measure the increased forces at 6 different angles i.e. 95°, 105°, 115°, 125°, 135° and 145°. Experiments were carried out by connecting the model and a load cell with PASCO CAPSTONE. Results were concluded using both statistical and graphical analysis. The resultant force increased as the angle of bending was increased due to increased load on the back model. Stair climbing is one of the unique exercises which is frequently used and helps in maintaining the leg muscles active and healthy.
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