Chainring eccentricity affects muscle-tendon unit mechanics in cycling.

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Abstract Summary
Elliptical chainrings have been designed to manipulate the radius as a function of crank angle, consequently altering the crank angular velocity profile experienced through the pedal cycle. We tested chainrings with varying levels of eccentricity and crank orientations to drive a musculoskeletal model in OpenSim and quantify joint angles and muscle-tendon unit responses to alterations in the task mechanics. Results showed significant alterations in joint ranges of motion of the lower limb and shortening velocities of the medial gastrocnemius.
Submission ID :
UCB1332
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Locomotion: Clinical gait

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