... motions, ground reaction forces, and muscle dynamics during STS and STW in a large terrestrial, bipedal and cursorial bird: the emu ( Dromaius novaehollandiae ; body mass ∼30 kg). Simulation results suggest that in both STS and STW, emus operate near the functional limits (∼50% of shortening/lengthening...

... in size and mass during ontogeny. The goal of this study was to examine how growth and development in the emu ( Dromaius novaehollandiae ) hindlimb skeleton reflects the demands placed upon it by ontogenetic changes in locomotor mechanics and body mass. Bone strain patterns in the femur and tibiotarsus...

... translated through egg size variation. We used the natural range in emu Dromaius novaehollandiae egg size, from 400 g to>700 g, to examine the influence of maternal investment in eggs on the morphology and physiology of hatchlings. Female emus provisioned larger eggs with a greater absolute amount...

... applicable to the emu, a ratite bird species. We studied cardiovascular physiology over the interval from 60% to 90% of the emu's 50-day incubation period. During this period,embryonic emus exhibit a slight fall in resting heart rate (from 171 beats min -1 to 154 beats min -1 ) and a doubling of mean...

...A. Patak; J. Baldwin ABSTRACT The emu is a giant flightless bird, capable of sustained high-speed running. Anatomical, histochemical and biochemical properties of the lower leg muscles used to power running were investigated. The gastrocnemius is the largest muscle in the emu leg. It has a short...

...Barbara Grubb; Darwin D. Jorgensen; Melinda Conner ABSTRACT Cardiovascular variables were studied as a function of oxygen consumption in the emu, a large, flightless ratite bird well suited to treadmill exercise. At the highest level of exercise, the birds’ rate of oxygen consumption...