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Quadrupedal Mechanics - Anatomy & Physiology (view source)
Revision as of 03:35, 29 November 2013
, 03:35, 29 November 2013→The standing quadruped
==='''The standing quadruped'''===
==='''The standing quadruped'''===
[[File:QMFig 10.1.png|thumb|'''Fig 10.1 Location of the centre of gravity of a horse''' ]]
The location of the centre of gravity of a horse is shown in Fig. 10.1. In the horse, 55% of the weight of the body is supported by the forelimbs and 45% by the hindlimbs. A horse usually rests one hindlimb while standing, but can do so for a forelimb only with difficulty. Relatively more weight is presumably supported by the forelimb of the bison and by the hindlimb of the rabbit (Fig. 10.2). The dog carries two thirds of its weight on its forelimbs and one third on its hindlimbs (Fig. 9.1).
The location of the centre of gravity of a horse is shown in Fig. 10.1. In the horse, 55% of the weight of the body is supported by the forelimbs and 45% by the hindlimbs. A horse usually rests one hindlimb while standing, but can do so for a forelimb only with difficulty. Relatively more weight is presumably supported by the forelimb of the bison and by the hindlimb of the rabbit (Fig. 10.2). The dog carries two thirds of its weight on its forelimbs and one third on its hindlimbs (Fig. 9.1).
[[File:QMFig 10.2.png|thumb|'''Fig 10.2 Species differences in the location of the centre of gravity''']]
:::::'''Fig 10.1 Location of the centre of gravity of a horse'''
:::::'''Fig 10.1 Location of the centre of gravity of a horse'''
:::::This is found in a transverse plane immediately caudal to the xiphoid process, and in a dorsal plane between the ventral and middle thirds of the trunk.
:::::This is found in a transverse plane immediately caudal to the xiphoid process, and in a dorsal plane between the ventral and middle thirds of the trunk.
:::::'''Fig 10.2 Species differences in the location of the centre of gravity'''
:::::'''Fig 10.2 Species differences in the location of the centre of gravity'''
:::::Compare these probable locations in the bison (a) and rabbit (b) with that determined for the horse in Fig. 10.1.
:::::Compare these probable locations in the bison (a) and rabbit (b) with that determined for the horse in Fig. 10.1.
==='''Using the head to change the centre of gravity'''===
==='''Using the head to change the centre of gravity'''===