Humans perform ankle muscle-tendon positive mechanical work during walking with efficiency two to six times greater than isolated muscle.
1Department of Ecology and Evolutionary Biology, Brown University, Providence, RI; and 2School of Kinesiology, University of Michigan, Ann Arbor, MI
Address for correspondence: Daniel P. Ferris, Ph.D., School of Kinesiology, 1402 Washington Heights, University of Michigan, Ann Arbor, MI 48109-2013 (E-mail: firstname.lastname@example.org).
Accepted for publication: December 8, 2008.
Associate Editor: E. Paul Zehr, Ph.D.