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Ossifications in the caudal attachments of the ligamentum flavum were studied on 121 dried thoracic spines. Most of them were aged. Frequency increased in a caudal direction. At T12, frequency depended on the orientation of the zygapophyseal joints of T11-12 which determined the range of rotation. When they were of thoracic orientation, allowing large range… (More)
The authors have dissected the superficial ramus of the radial nerve and its branches on 50 cadaveric hands. They state precisely their systematisation, their variations and their topography in respect to the osseus and tendinous guiding marks.
The authors describe the distribution of the medial branches of the upper thoracic dorsal rami (T1 to T5 levels). At each level, after travelling through the erector spinae, they become superficial, and reach the apex of the spinous process of the corresponding vertebra. They then spread out laterally, innervating the skin. They can occasionally be… (More)
The deformations and stresses acting on the acetabular rim have not been very precisely documented. The authors present a study based on an experimental simulation of hip loading with anatomic correlations. 122 dissections were performed in order to define the anatomic aspect of the roof (and especially of Byers's "area 17") and the intermediate area… (More)
The ligaments of the ankle are superficial and easily accessible at ultrasonography. Surprisingly, the reliability of this technique has never been proven. With this goal in mind, ten ankles were subjected to a ultrasono-anatomic comparison. The five principle ligamentous fascicles (three on the lateral side and two on the medial side) measured at… (More)
Colles' fractures with important displacement are accompanied by a subdislocation of the carpus backwards. The authors describe a radio-lunate sagittal index that measures the posterior displacement. This index should be instored during the reduction of the fracture.
From 50 dissections of the wrist, the authors have studied 1) the topography and the occurrence of the arterial pedicles of the bones of the distal row of the carpus, 2) their intra-osseous ramifications and 3) the longitudinal communicating branches which surround the wrist. This study allows to suggest a surgical technique in the treatment of the necrosis… (More)
The ramus (radio) carpeus palmaris was found in our 46 dissections. It ends by a more or less medial network. It gives relatively large but inconstant branches for the carpus and small but constant branches specially some for the medial part of the radio epiphysis. This gave us the idea to cut an osseous graft in this epiphysis, to pediculate it with the… (More)
The piriform aperture or enter orifice of the nose may be too small, creating an obstacle for inspirated flow. The functional disturbance realised has been described as the "syndrome of aspiration of the nasal ala". The present study has been made on 100 skulls. We have measured the dimensions of the piriform aperture, calculated a "form index" and searched… (More)
We have examined 203 lumbar and sacral skeletal specimens and have noted the frequent occurrence of a mamillo-accessory foramen, formed by the ossification of the mamillo-accessory ligament. The dorsal ramus of the lumbar nerve passes through this foramen. At the L5 level, this foramen is found frequently: in 26% of the cases on the left side and in 13.5%… (More)