منابع مشابه
Jumping in a winged stick insect.
The Thailand winged stick insect (Sipyloidea sp.) flees rapidly from a disturbance by jumping forwards when stimulated on the abdomen and backwards when stimulated on the head. The mechanisms underlying these fast movements were analysed by measuring movements of the body and legs from images captured at 250 Hz. A forward jump of both adults and nymphs involves movements of the abdomen and the ...
متن کاملThe comparative investigation of the stick insect and cockroach models in the study of insect locomotion
Evolution has perfected very different six-legged walking machines from common neural and biomechanical components in an ancestral insect, as exemplified by the American cockroach and the stick insect. Comparative experimental investigations of both intact animals and reduced neural preparations, integrated with mathematical modeling, have been instrumental in advancing our understanding of ins...
متن کاملControl of stepping velocity in the stick insect Carausius morosus.
We performed electrophysiological and behavioral experiments in single-leg preparations and intact animals of the stick insect Carausius morosus to understand mechanisms underlying the control of walking speed. At the level of the single leg, we found no significant correlation between stepping velocity and spike frequency of motor neurons (MNs) other than the previously shown modification in f...
متن کاملControl of Stepping Velocity in the Stick Insect
36 We performed electrophysiological and behavioral experiments in single leg preparations 37 and intact animals of the stick insect Carausius morosus to understand mechanisms 38 underlying the control of walking speed. 39 At the level of the single leg, we found no significant correlation between stepping velocity 40 and spike frequency of motor neurons other than the previously shown modifica...
متن کاملThe extensor tibiae muscle of the stick insect: biomechanical properties of an insect walking leg muscle.
We investigated the properties of the extensor tibiae muscle of the stick insect (Carausius morosus) middle leg. Muscle geometry of the middle leg was compared to that of the front and hind legs and to the flexor tibiae, respectively. The mean length of the extensor tibiae fibres is 1.41+/-0.23 mm and flexor fibres are 2.11+/-0.30 mm long. The change of fibre length with joint angle was measure...
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ژورنال
عنوان ژورنال: Nature
سال: 1936
ISSN: 0028-0836,1476-4687
DOI: 10.1038/138886a0