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Link-Segment Models: Example #2 WHERE: Rx R Ground Reaction Force R-Joint Reaction Force M;-Moment due to leg muscles Ry mg mg = Force due to gravity GIVEN: Person standing statically on one foot ground reaction force acts 4 cm anterior to the ankle center of rotation -body mass of 60 kg, foot mass of 0.9 kg, center of mass of foot 6 cm from center of rotation FIND: What are reaction forces and muscle moment in the ankle joint?
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Transcribed Image Text:Link-Segment Models: Example #2 WHERE: Rx R Ground Reaction Force R-Joint Reaction Force M;-Moment due to leg muscles Ry mg mg = Force due to gravity GIVEN: Person standing statically on one foot ground reaction force acts 4 cm anterior to the ankle center of rotation -body mass of 60 kg, foot mass of 0.9 kg, center of mass of foot 6 cm from center of rotation FIND: What are reaction forces and muscle moment in the ankle joint?
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