Meeting Abstract 4.6 Sunday, Jan. 4 09:15 Humeral loads during swimming and walking in turtles: implications for the evolution of limb bone shape changes during reinvasions of water from land YOUNG, V.KH.*; BLOB, R.W.; Clemson University; Clemson University vkhilli@clemson.edu In many vertebrate lineages that have reinvaded aquatic habitats, major morphological changes have evolved in the forelimb, including […]
sessions: Session 4
Seasonal Variation and Correlation between Corticosterone and the Antioxidant Uric Acid During Stress in the Northern Cardinal (Cardinalis cardinalis)
Meeting Abstract 4-1 Monday, Jan. 4 08:00 Seasonal Variation and Correlation between Corticosterone and the Antioxidant Uric Acid During Stress in the Northern Cardinal (Cardinalis cardinalis) WALKER, B.G.*; HASKINS, J.W.; SPIZOUCCO, F.A.; Fairfield University; Fairfield University; Fairfield University bwalker@fairfield.edu Glucocorticoids modify metabolism in order to mount a response to stressors. In passerines, this response is affected by […]
Public information can change your brain mineralocorticoid and glucocorticoid receptor expression in food-reduced red crossbills differs depending on their neighbors food treatment
Meeting Abstract 4-3 Monday, Jan. 4 08:30 Public information can change your brain: mineralocorticoid and glucocorticoid receptor expression in food-reduced red crossbills differs depending on their neighbors food treatment CORNELIUS, JM*; MEDDLE, SL; HAHN, TP; Eastern Michigan Univ.; Univ. of Edinburgh; Univ. of California, Davis jcornel7@emich.edu Public information was recently found to influence the physiological and behavioral […]
Measuring Allostatic Load Heart rate and corticosterone in free-living and captive wintering Gambel’s white-crowned sparrows
Meeting Abstract 4-6 Monday, Jan. 4 09:15 Measuring Allostatic Load: Heart rate and corticosterone in free-living and captive wintering Gambel’s white-crowned sparrows WORD, K.R.*; WINGFIELD, J.C.; Univ. of California, Davis; Univ. of California, Davis krlizars@ucdavis.edu The model of allostatic load describes a functional role for the stress response in moderating energetic optimization and tradeoffs in a capricious […]
Computed tomography (CT) imaging demonstrates that captivity causes rapid changes in body composition in wild house sparrows (Passer domesticus)
Meeting Abstract 4-5 Monday, Jan. 4 09:00 Computed tomography (CT) imaging demonstrates that captivity causes rapid changes in body composition in wild house sparrows (Passer domesticus) LATTIN, CR*; PECHENENKO, AV; CARSON, RE; Yale University; Yale University; Yale University christine.lattin@yale.edu http://campuspress.yale.edu/christinelattin/ Wild birds are brought into captivity for conservation purposes such as captive breeding and translocation. Additionally, many […]
Captivity alters neuroendocrinology of house sparrows
Meeting Abstract 4-4 Monday, Jan. 4 08:45 Captivity alters neuroendocrinology of house sparrows. DURANT, S.E.*; LOVE, A.C.; BELIN, B.; TAMAYO-SANCHEZ, D.; SANTOS-PACHECO, M; DICKENS, M.J.; CALISI, R.M.; Oklahoma State Univ; Oklahoma State Univ; Barnard College, Columbia University; Barnard College, Columbia University; Barnard College, Columbia University; UC Berkely; Barnard College, Columbia University/UC Davis sarah.durant@okstate.edu Captivity causes stress in […]
Acute stress decreases corticosterone-binding globulin for 24 hours and a second stressor during this time increases sleep disruptions in Mountain White-crowned Sparrows
Meeting Abstract 4-2 Monday, Jan. 4 08:15 Acute stress decreases corticosterone-binding globulin for 24 hours and a second stressor during this time increases sleep disruptions in Mountain White-crowned Sparrows MALISCH, J.L.*; JOHNSON, E.; DOAN, P.; TANG, A.; HUMPHRIES, T.J.; CRINO, O.L.; BREUNER, C.W.; The Claremont Colleges; University of Montana; Pitzer College; Scripps College; University of California, San […]
Structural limits to mechanical work production in skeletal muscle
Meeting Abstract 4-6 Thursday, Jan. 5 09:15 – 09:30 Structural limits to mechanical work production in skeletal muscle HOLT, N/C*; EATON, C/E; AZIZI, E; Univ. of California, Irvine eazizi@uci.edu Skeletal muscles generate the mechanical work needed to accelerate or raise an animal’s center of mass during locomotion. Therefore, a muscle’s capacity to generate mechanical work can be […]
Optimal muscle length is the same for twitch and tetanic contractions in muscles from mdm mice a role for titin in isometric force production
Meeting Abstract 4-1 Thursday, Jan. 5 08:00 – 08:15 Optimal muscle length is the same for twitch and tetanic contractions in muscles from mdm mice: a role for titin in isometric force production? HESSEL, AL*; NISHIKAWA, KC; Northern Arizona University; Northern Arizona University alh385@nau.edu https://alhlabbench.wordpress.com/ The muscular dystrophy with myositis (mdm) mutation in mouse is a spontaneous […]
How does Architectural Gearing affect Muscle Function In Vivo
Meeting Abstract 4-2 Thursday, Jan. 5 08:15 – 08:30 How does Architectural Gearing affect Muscle Function In Vivo? KONOW, N*; TIJS, C; BIEWENER, A. A.; U. Mass. Lowell; Harvard University; Harvard University nicolai_konow@uml.edu http://www.brown.edu/Research/Functional_Biology/ Architectural gear ratio (AGR), or the ratio of whole muscle versus myofiber contraction speed, is a phenomenon observed in pennate muscles that results […]
