Biewener, A. A (1998). Muscle function in vivo : a comparison of muscles used for elastic energy savings versus muscles used to generate mechanical power. Am. Zool 38, 703-.
Burkholder, T. J. and Leiber, R. L (1998). Sarcomere number adaptation after retinaculum transection in adult mice. J. Exp. Biol 201, 309-.
Chiappe, L. M (1995). The first 85 million years of avian evolution. Nature 378, 349-.
Dial, K. P., Goslow, G. E., Jr, and Jenkins, F. A., Jr (1991). The functional anatomy of the shoulder in the European starling ( Sturnus vulgaris ). J. Morph 207, 327-.
Dial, K. P., Kaplan, S. R., Goslow, G. E., Jr and Jenkins, F. A., Jr (1988). A functional analysis of the primary upstroke and downstroke muscles in the domestic pigeon ( Columba livia ) during flight. J. Exp. Biol 134, 1-.[Abstract/Free Full Text]
Ettema, G. J. C. and Huijing, P. A (1994). Effects of destribution of fiber length on active length\320force characteristics of rat gastrocnemius medialis. Anat. Rec 239, 414-.[Medline]
Full, R. J., Autumn, K., Chung, J. I. and Ahn, A (1999). Rapid negotiation of rough terrain by the death-head cockroach. Am. Zool 39, 81-.
Hill, A. V (1950). The dimensions of animals and their muscular dynamics. Sci. Prog 150, 209-.
Jenkins, F. A., Jr (1993). The evolution of the avian shoulder joint. Am. J. Sci 293, 253-.
Kaplan, S. R. and Goslow, G. E., Jr (1989). Neuromuscular organization of the pectoralis (pars thoracicus) of the pigeon ( Columba livia ): Implications for motor control. Anat. Rec 224, 426-.[Medline]
Keurs, H. E. D. J. T., Iwasumi, T. and Pollack, G. H (1978). The sarcomere length\320tension relation in skeletal muscle. J. Gen. Physiol 72, 565-.[Abstract/Free Full Text]
Kubow, T. M. and Full, R. J (1999). Effects of changing morphology on running stability shown by linearization of a two dimensional hexapod model. Am. Zool 38, 81-.
Poore, S. O., Ashcroft, A., Sanchez-Haiman, A. and Goslow, G. E., Jr (1997). The contractile properties of the M. supracoracoideus in the pigeon and starling: a case for long-axis rotation of the humerus. J. Exp. Biol 200, 2987-.[Abstract]
Roberts, T. J., Marsh, R. L., Weyand, P. G. and Taylor, C. R (1997). Muscular force in running turkeys: the economy of minimizing work. Science 275, 1113-.[Abstract/Free Full Text]
Rosser, B. W. C. and George, J. C (1986). The avian pectoralis: histochemical characterization and distribution of muscle fiber types. Can. J. Zool 64, 1174-.
Sanz, J. L., Bonaparte, J. F. and Lacasa, A (1988). Unusual Early Cretaceous birds from Spain. Nature 331, 433-.
Sanz, J. L., Chiappe, L. M., Perez-Moreno, B. P., Buscalioni, A. D., Moratella, J. J., Ortega, F. and Poyato-Ariza, F. J (1996). An Early Cretaceous bird from Spain and its implications for the evolution of avian flight. Nature 382, 442-.
Sokoloff, A. J., Ryan, J. M., Valerie, D. S., Wilson, D. S. and Goslow, G. E., Jr (1998). Neuromuscular organization of avian flight muscle: morphology and contractile properties of motor units in the pectoralis (pars thoracicus) of pigeon ( Columba livia ). J. Morph 236, 179-.
Sonnenblick, E. H (1962). Force\320velocity relations in mammalian heart muscle. Am. J. Physiol 202, 931-.
Spiro, D. and Sonnenblick, E. H (1964). Comparison of the ultrastructural basis of the contractile process in heart and skeletal muscle. Circulation Res 15, 2-.
Sy, M (1936). Funktionell-anatomische Untersuchungen am Vogelflugel. J. Orn 84, 199-.
Walker, C. A (1981). New subclass of birds from the Cretaceous of South America. Nature 292, 51-.
Wang, K., McCarter, R., Wright, J., Beverly, J. and Ramirez-Mitchell, R (1991). Regulation of skeletal muscle stiffness and elasticity by titin isoforms: A test of the segmental extension model of resting tension. Proc. Natl. Acad. Sci. USA 88, 7101-.[Abstract/Free Full Text]
Wang, K., McCarter, R., Wright, J., Beverly, J. and Ramirez-Mitchell, R (1993). Viscoelasticity of the sarcomere matrix of skeletal muscles. Biophys. J 64, 1161-.[Abstract/Free Full Text]
