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The locomotor kinematics and ground reaction forces of walking giraffes
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| Zeitschriftentitel: | Journal of Experimental Biology |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Journal of Experimental Biology, 2018 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
The Company of Biologists
|
| Schlagwörter: |
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Basu, Christopher Wilson, Alan M. Hutchinson, John R. Basu, Christopher Wilson, Alan M. Hutchinson, John R. |
|---|---|
| author |
Basu, Christopher Wilson, Alan M. Hutchinson, John R. |
| spellingShingle |
Basu, Christopher Wilson, Alan M. Hutchinson, John R. Journal of Experimental Biology The locomotor kinematics and ground reaction forces of walking giraffes Insect Science Molecular Biology Animal Science and Zoology Aquatic Science Physiology Ecology, Evolution, Behavior and Systematics |
| author_sort |
basu, christopher |
| spelling |
Basu, Christopher Wilson, Alan M. Hutchinson, John R. 1477-9145 0022-0949 The Company of Biologists Insect Science Molecular Biology Animal Science and Zoology Aquatic Science Physiology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1242/jeb.159277 <jats:p>Giraffes (Giraffa camelopardalis Linnaeus 1758) possess specialised anatomy. Their disproportionately elongate limbs and neck confer recognised feeding advantages, but little is known about how their morphology affects locomotor function. In this study, we examined the stride parameters and ground reaction forces from three adult giraffes in a zoological park, across a range of walking speeds. The patterns of GRFs during walking indicate that giraffes, similar to other mammalian quadrupeds, maintain a forelimb-biased weight distribution. The angular excursion of the neck has functional links with locomotor dynamics in giraffes, and was exaggerated at faster speeds. The horizontal accelerations of the neck and trunk were out of phase, compared with the vertical accelerations which were intermediate between in and out of phase. Despite possessing specialised morphology, giraffes’ stride parameters were broadly predicted from dynamic similarity, facilitating the use of other quadrupedal locomotion models to generate testable hypotheses in giraffes.</jats:p> The locomotor kinematics and ground reaction forces of walking giraffes Journal of Experimental Biology |
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| title |
The locomotor kinematics and ground reaction forces of walking giraffes |
| title_unstemmed |
The locomotor kinematics and ground reaction forces of walking giraffes |
| title_full |
The locomotor kinematics and ground reaction forces of walking giraffes |
| title_fullStr |
The locomotor kinematics and ground reaction forces of walking giraffes |
| title_full_unstemmed |
The locomotor kinematics and ground reaction forces of walking giraffes |
| title_short |
The locomotor kinematics and ground reaction forces of walking giraffes |
| title_sort |
the locomotor kinematics and ground reaction forces of walking giraffes |
| topic |
Insect Science Molecular Biology Animal Science and Zoology Aquatic Science Physiology Ecology, Evolution, Behavior and Systematics |
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http://dx.doi.org/10.1242/jeb.159277 |
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2018 |
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<jats:p>Giraffes (Giraffa camelopardalis Linnaeus 1758) possess specialised anatomy. Their disproportionately elongate limbs and neck confer recognised feeding advantages, but little is known about how their morphology affects locomotor function. In this study, we examined the stride parameters and ground reaction forces from three adult giraffes in a zoological park, across a range of walking speeds. The patterns of GRFs during walking indicate that giraffes, similar to other mammalian quadrupeds, maintain a forelimb-biased weight distribution. The angular excursion of the neck has functional links with locomotor dynamics in giraffes, and was exaggerated at faster speeds. The horizontal accelerations of the neck and trunk were out of phase, compared with the vertical accelerations which were intermediate between in and out of phase. Despite possessing specialised morphology, giraffes’ stride parameters were broadly predicted from dynamic similarity, facilitating the use of other quadrupedal locomotion models to generate testable hypotheses in giraffes.</jats:p> |
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| author | Basu, Christopher, Wilson, Alan M., Hutchinson, John R. |
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| description | <jats:p>Giraffes (Giraffa camelopardalis Linnaeus 1758) possess specialised anatomy. Their disproportionately elongate limbs and neck confer recognised feeding advantages, but little is known about how their morphology affects locomotor function. In this study, we examined the stride parameters and ground reaction forces from three adult giraffes in a zoological park, across a range of walking speeds. The patterns of GRFs during walking indicate that giraffes, similar to other mammalian quadrupeds, maintain a forelimb-biased weight distribution. The angular excursion of the neck has functional links with locomotor dynamics in giraffes, and was exaggerated at faster speeds. The horizontal accelerations of the neck and trunk were out of phase, compared with the vertical accelerations which were intermediate between in and out of phase. Despite possessing specialised morphology, giraffes’ stride parameters were broadly predicted from dynamic similarity, facilitating the use of other quadrupedal locomotion models to generate testable hypotheses in giraffes.</jats:p> |
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| spelling | Basu, Christopher Wilson, Alan M. Hutchinson, John R. 1477-9145 0022-0949 The Company of Biologists Insect Science Molecular Biology Animal Science and Zoology Aquatic Science Physiology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1242/jeb.159277 <jats:p>Giraffes (Giraffa camelopardalis Linnaeus 1758) possess specialised anatomy. Their disproportionately elongate limbs and neck confer recognised feeding advantages, but little is known about how their morphology affects locomotor function. In this study, we examined the stride parameters and ground reaction forces from three adult giraffes in a zoological park, across a range of walking speeds. The patterns of GRFs during walking indicate that giraffes, similar to other mammalian quadrupeds, maintain a forelimb-biased weight distribution. The angular excursion of the neck has functional links with locomotor dynamics in giraffes, and was exaggerated at faster speeds. The horizontal accelerations of the neck and trunk were out of phase, compared with the vertical accelerations which were intermediate between in and out of phase. Despite possessing specialised morphology, giraffes’ stride parameters were broadly predicted from dynamic similarity, facilitating the use of other quadrupedal locomotion models to generate testable hypotheses in giraffes.</jats:p> The locomotor kinematics and ground reaction forces of walking giraffes Journal of Experimental Biology |
| spellingShingle | Basu, Christopher, Wilson, Alan M., Hutchinson, John R., Journal of Experimental Biology, The locomotor kinematics and ground reaction forces of walking giraffes, Insect Science, Molecular Biology, Animal Science and Zoology, Aquatic Science, Physiology, Ecology, Evolution, Behavior and Systematics |
| title | The locomotor kinematics and ground reaction forces of walking giraffes |
| title_full | The locomotor kinematics and ground reaction forces of walking giraffes |
| title_fullStr | The locomotor kinematics and ground reaction forces of walking giraffes |
| title_full_unstemmed | The locomotor kinematics and ground reaction forces of walking giraffes |
| title_short | The locomotor kinematics and ground reaction forces of walking giraffes |
| title_sort | the locomotor kinematics and ground reaction forces of walking giraffes |
| title_unstemmed | The locomotor kinematics and ground reaction forces of walking giraffes |
| topic | Insect Science, Molecular Biology, Animal Science and Zoology, Aquatic Science, Physiology, Ecology, Evolution, Behavior and Systematics |
| url | http://dx.doi.org/10.1242/jeb.159277 |