A Criticism Of Metabolic Cost

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Another criticism of metabolic cost hypothesis comes from the argument that gait is not the only motor task that the CNS has to control and optimize. Climbing, pedaling, grasping, throwing and many other daily activities need to be controlled by the CNS and it is unlikely that the musculoskeletal system of humans is tuned to maximize the performance of only one task such as walking and maximizing the performance for many tasks together is not feasible since these tasks have different constraints and dynamics. With this idea Carrier et. al tested the hypothesis that musculoskeletal system is tuned to maximize economy of locomotion [14]. Measuring muscle activities through EMG for different speeds of walking and running they found out that although
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