Fred examines the range of motion of Oscar’s knee joint during rehabilitation from a knee injury. At full extension, the angle between the lower leg and thigh is 178°. At full flexion, the angle between the lower leg and thigh is 82°. During the test, Oscar’s thigh was held in a fixed position and only the lower leg moved. What was the angular displacement of Oscar’s leg from fullextension to full flexion? Express your answer in (a) degrees and (b) radians.
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