Manny Azizi

Assistant Professor, Ecology & Evolutionary Biology
School of Biological Sciences

Ph.D., University of Massachusetts, Amherst, 2005, Organismic and Evolutionary Biology

B.A., University of California, Berkeley, 1998, Physical Science

Phone: (949)824-7414
Fax: (949) 824-2181

University of California, Irvine
5236 McGaugh Hall
Mail Code: 2525
Irvine, CA 92697

picture of Manny  Azizi

Muscle Biology, Locomotion, Biomechanics
URLs Lab Website
Comparative Physiology Group
Appointments NIH Post-doctoral Fellow, Brown University
My research is focused broadly on the physiology and mechanics of movement. Work in my lab strives to understand how the basic properties of muscle have been shaped by evolution and how shifts in these properties affect neuromuscular health and performance.
Publications Azizi E & Roberts TJ 2013. Variable gearing in a biologically-inspired pneumatic actuator array. Bioinspiration and Biomimetics. 8: doi:10.1088/1748-3182/8/2/026002.

Azizi E & Abbott EM 2013. Anticipatory motor patterns limit muscle stretch during landing in toads. Biology Letters. 9: doi: 10.1098/rsbl.2012.1045.

Konow N. Azizi E, & Roberts TJ 2012. Muscle power attenuation by tendon during energy dissipation. Proc. of Royal Society B. doi: 10.1098/rspb.2011.1435.

Roberts TJ. Abbott EM, & Azizi E 2011.The weak link:Do muscle properties determine locomotor performance in frogs. Philos.Trans. of Royal Society B. 366:1488-1495.

Roberts TJ, & Azizi E 2011. Flexible mechanisms:The diverse roles of biological springs in vertebrate movement. J. Experimental Biology. 214:353-361.

Roberts TJ, & Azizi E 2010. The series elastic shock absorber: Tendons attenuate muscle power during energy absorbing actions. J. Applied Physiology. 109:396-404.

Azizi E, & Roberts TJ 2010. Muscle performance during frog jumping:influence of elasticity on muscle operating lengths.Proceedings of the Royal Society B. 277:1523-1530.

Landberg T & Azizi E 2010. Ontogeny of escape swimming perfonmance in the spotted salamander. Functional Ecology.24{3):576-587.

Azizi E, & Roberts TJ 2009. Biaxial strain and variable stiffness in aponeuroses.J. Physiology-London. 587:4309-4318.

Azizi E & Roberts TJ 2009. Sheet-like tendons are stiffened by bulging muscles.Physiology News. 77:28-29.

Azizi E, Halenda GM, & Roberts TJ 2009.Mechanical properties of the gastrocnemius aponeurosis in wild turkeys.Integrative and Comparative Biology. 49:51-58.

Azizi E, Brainerd EL & Roberts TJ 2008.Variable gearing in pennate muscles. Proc. of the National Academy of Sciences. 105: 1745-1750.

Dean MN, Azizi E. & Summers AP 2007. Uniform strain in broad muscles:Active and passive effects of the twisted tendon of the ratfish. Hydrolagus coliei J. Experimental Biology. 210:3395-3406.

Azizi E & Brainerd EL 2007. Architectural gear ratio and strain homogeneity in segmented musculature.J. Experimental Zoology A: Ecological Genetics and Physiology. 307 A:145-155. (Cover illustration)

Azizi E, Landberg T, & Wassersug,RJ 2007.Vertebral function during tadpole locomotion. Zoology.110: 290-297.

Brainerd EL & Azizi E 2005. Muscle fiber angle, segment bulging and gear ratio in segmented musculature. J. Experimental Biology. 208: 3249-3261.

Ward AD & Azizi E 2004. Convergent evolution of the head retraction startle response in elongate fishes and amphibians.Zoology. 107:205-217.

Azizi E. & *Horton JM 2004. Patterns of axial and appendicular movements during aquatic walking in the salamander, Siren lacertina. Zoology. 107:111-120.

McHenry MJ. Azizi E & *Strother JA 2003. The hydrodynamics of locomotion at intermediate Reynolds Numbers:Undulatory swimming in ascidian larvae (Botrylloides sp.). J. Experimental Biology. 206:327-343.

Azizi E, Gillis GB, & Brainerd EL 2002. Morphology and mechanics of myosepta in a swimming salamander, Siren lacertina. Comp. Biochemistry and Physiology A. 133:967-978.
Research Center Center for Comparative and Evolutionary Physiology
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Last updated 06/17/2013