Meeting Abstract 7.2  Wednesday, Jan. 4  Is brighter better? Aposematic signal variation predicts male-male interactions in a polymorphic poison dart frog CROTHERS, L.R.**; GERING, E.J.; CUMMINGS, M.E.; University of Texas at Austin; University of Texas at Austin; University of Texas at Austin crothers@mail.utexas.edu Many species use conspicuous “aposematic” signals to communicate unpalatability/unprofitability to potential predators. Although aposematic […]

Meeting Abstract 6.4  Wednesday, Jan. 4  Pulling apart lattice spacing: interfilament distance regulates force WILLIAMS, C.D.*; SALCEDO, M. K.; REGNIER, M.; IRVING, T. C.; DANIEL, T. L.; Univ. of Washington, Seattle; Univ. of Washington, Seattle; Univ. of Washington, Seattle; Ill. Inst. of Technology, Chicago; Univ. of Washington, Seattle cdave@uw.edu As muscle contracts it both shortens and grows […]

Meeting Abstract 6.9  Wednesday, Jan. 4  Power amplification in water: modeling muscle-tendon dynamics during swimming RICHARDS, Christopher T*; SAWICKI, Gregory; Harvard University; North Carolina State University richards@fas.harvard.edu Models have demonstrated that the power required for some animals to jump exceeds the theoretical limits of muscle power. Such work predicted that a muscle may store elastic energy in […]

Meeting Abstract 6.8  Wednesday, Jan. 4  Optimizing work and power production of a Manduca sextalarval locomotory muscle WOODS, W. A.*; SCHULER, F. R. ; YEE, A. L. ; TRIMMER, B. A. ; Tufts University; Tufts University; Tufts University; Tufts University william.woods@tufts.edu Because caterpillar locomotory muscle develops relatively high stress over a large strain range, and because larval […]

Meeting Abstract 6.1  Wednesday, Jan. 4  Measuring muscle pennation in vivo using sonomicrometry and 3-D X-ray cinematography methods. DE BOEF MIARA, M.*; BIEWENER, A.A.; Concord Field Station, Harvard Univ., Cambridge, MA; Concord Field Station, Harvard Univ., Cambridge, MA mdeboef@oeb.harvard.edu In vivo muscle performance is dependent on many anatomical and physiological factors including muscle fiber type, force-length properties […]

Meeting Abstract 6.11  Wednesday, Jan. 4  Linear actuator design based on a new hypothesis of muscle contraction KMACK, DA*; YEO, SH; PAI, DK; UYENO, TA; WILKINSON, KC; TESTER, JT; NISHIKAWA, KC; Northern Arizona University; University of British Columbia; University of British Columbia; Valdosta State University; Northern Arizona University; Northern Arizona University; Northern Arizona University dak58@nau.edu The conventional […]

Meeting Abstract 6.2  Wednesday, Jan. 4  Length, force and changes in the elastic behavior of active muscle. GILMORE, L. A.*; NISHIKAWA, K. C.; Northern Arizona University leslie.gilmore@nau.edu Previous studies have examined how muscle force and shortening velocity change with length changes in active muscle. However, few studies have examined how elastic behavior changes with muscle length. Using […]

Meeting Abstract 6.3  Wednesday, Jan. 4  In vivo strain patterns indicate different functions in the proximal and distal fascia lata of the goat ENG, CM*; LIEBERMAN, DE; BIEWENER , AA; Harvard University, Cambridge, MA; Harvard University, Cambridge, MA; Harvard University, Cambridge, MA cmeng@fas.harvard.edu We examined strain patterns in the fascia lata (FL), a large sheet of fascia […]

Meeting Abstract 6.6  Wednesday, Jan. 4  Female pheromones modulate muscle activation patterns for pre-flight warm-up in male moths CRESPO, J. G.*; VCIKERS, N. J.; GOLLER, F.; University of Utah, Salt Lake City, Utah jose.crespo@utah.edu In Helicoverpa zea, the pheromone-mediated upwind flight of males is elicited by a two-component pheromone blend. Efficient upwind locomotion may require that moths […]

Meeting Abstract 6.7  Wednesday, Jan. 4  Energetics of Bat Flight VON BUSSE, J.R.S.*; SWARTZ, S.M.; BREUER, K.S.; HEDENSTRÖM, A.; WINTER, Y.; VOIGT, C.C.; Brown University, Providence, RI; Brown University, Providence, RI; Brown University, Providence, RI; Lund University, Sweden; Humoldt University, Berlin, Germany; Leibnitz Institute, Berlin, Germany rhea_vonbusse@brown.edu The goal of this study is to directly test the […]