Biomechanik des Grosszehenbogens
作者:
R. Reimann,
S. Marlovits,
期刊:
Cells Tissues Organs
(Karger Available online 1992)
卷期:
Volume 144,
issue 1
页码: 30-35
ISSN:1422-6405
年代: 1992
DOI:10.1159/000147281
出版商: S. Karger AG
关键词: Articulatio tarsometatarsalis hallucis;Articulatio cuneonavicularis medialis;Medial longitudinal pedal arch;Biomechanics
数据来源: Karger
摘要:
90% of the first (hallucal) tarsometatarsal joints are screw-shaped; the axis is directed upwards to the front touching the lateral edge of the joint. Thus the plantar flexion is inevitably accompanied by an adduction and a pronation, and vice versa a dorsiflexion is consequently accompanied by an abduction and a supination, when the articular surfaces exactly slide along each other. 10% of these joints, however, are ellipsoid-shaped; in this case the distal articular surface of the medial cuneiform bone has the form of an ovoid head, and a strong ligament situated next to the lateral edge of the joint effects the same kind of motion described above. The medial cuneonavicular joint is always ellipsoid-shaped, the head of which is made up by the medial facet of the distal articular surface of the navicular bone. Each of the two joints mentioned has a considerable range of mobility.
点击下载:
PDF
(1010KB)
返 回