A subject with a height of 165cm and mass of 69 kg is sitting with his lower limb positioned with hip in 90 degree of flexion and knee in full extension and foot in 90 degree of dorsiflexion
a) calculate the inter-segment force at the knee joint
b)Calculate the net external moment about the knee joint
c) Calculate the force in the patella tendon, given that it acts horizontally with a lever arm of 4 cm about the centre of the joint
d)The joint force at the knee joint
e) Comment on the difference in the inter-segment force and the joint force at the knee joint
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