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At least 1,225 records · Page 68Linked to original sources
PubMed1986

Spinal configuration during lifting.

The change in spinal configuration of the cervical, thoracic, and lumbar regions in relation to an amount of weight lifted was determined using videophotogrammetry. Fifteen healthy male subjects, 20-38 years of age, with no previous history of back pain participated in the study. The subjects lifted a crate containing 0, 10, and 20 kg weights using the straight-legs, bent-over-back method of lifting. The results showed that cervical and thoracic spinal segment configurations were not significantly influenced by the amount of weight lifted and that the mobility of the lumbar spinal segment was significantly decreased with increasing load (p = .03).

Adult↗
PubMed1986

[Use of structured lights in the evaluation of thoracic deformity bound with cardiac activity. Study of apical impulse using Moiré technics].

Chest deformation due to cardiac activity can be studied with the use of techniques based on Moiré principle. The shadow technique allows to obtain well contrasted fringes, whereas the technique of projected Moiré allows an easier taking of camera pictures. The fringes in this case, although less contrasted, allow to recognize level differences of the order of 0.17 mm with a network of 20 traits/mm in the present configuration of our material. The best criteria of registration have been set up after the study of 10 young subjects. In the presented case topographic measurements allowed a quantitative evaluation of the apical impulse. The telesystolic image after treatment allowed a tridimensional reconstruction of chest deformation.

Humans↗
PubMed1987

Comparative study of the femoral articular facies of knees of the primates.

In this article, on the basis of the characteristics of the moiré contour fringes of Nycticebus coucany, Macaca assamensis M'clelland, Presbytis phayrei, Phinopithecus roxellanae, Hylobates concolor leucogenys, Gorilla gorilla. Anthropopithecus troglodytes. Simia satyrus and modern human beings we divide the Primates into two types. The two types of the new classification may be two groups of the evolution moving state. For comparison with each other, the angle gamma between the approximately elliptical major axis of the moiré contour fringes on the medial condyle and the horizontal plane is taken as the criterion. We suggest that the Primates evolution to the state of erect walking is the process of the angle gamma evolution approaching 90 degrees, regarding the gamma of the moiré contour fringes of the medial condyle as the evolution angle on the knees of the Primates.

Animals↗
PubMed1988

The growth and development of the soft tissues of the human face.

The complexity of shape, soft nature of the facial tissues and the sensitivity of the eyes make their accurate direct measurement difficult. Short base stereophotogrammetry is three dimensional and non-invasive. This technique was used to measure the faces of 52 like-sexed twins between the ages of 9 and 16 years in a mixed longitudinal study. Certain vertical and horizontal parameters defining the eyes, the nose, the mouth and overall facial shape were remeasured and plotted for this study. Relative to the intercanthal line, the alae of nose and angles of mouth are displaced by growth, on or very near to straight lines which were not parallel, indicating a small change of proportion between nose and mouth. Their steepness is a measure of the dominance of vertical over lateral growth. Knowledge of normal growth changes will help to predict soft tissue changes produced by orthodontic or surgical treatment in the faces of children.

Adolescent↗
PubMed1988

[Papillometry].

Explore the source record for details and available documents.

Glaucoma↗
PubMed1988

Micromotion of noncemented Freeman-Samuelson knee prostheses in gonarthrosis. A roentgen-stereophotogrammetric analysis of eight successful cases.

Micromotion of the tibial component of eight Freeman-Samuelson arthroplasties without cement for gonarthrosis were followed for two years and studied by roentgen-stereophotogrammetric analysis (RSA). In five cases, displacement over time was studied, and in all cases migration was found to range from 0.7 to 4.8 mm after two years. One tibial component migrated continuously during the period studied, while the remaining prostheses migrated mostly during the first six months. The direction of the migration was erratic. Inducible displacement ranging from 0.8 to 5.0 mm was found in all cases. Clinically, all of the patients were scored as successful although one with continuous migration had the lowest score. This degree of micromotion is compatible with good results after two years, and appears to be a characteristic of the immediate interlocking fixation used in the Freeman-Samuelson prosthesis.

Aged↗
PubMedDate not supplied

[Increasing the accuracy of the stereoroentgenophotometric method of studying mineral saturation of the bones].

Method of roentgenodensitometry of voluminous objects, developed in Moscow Research Institute of Tuberculosis, is described. The method provides for stereoroentgenography of the studied subject with a special screw wedge, served as a standard. The analysis of films obtained in stereocomparator permits to define an excess of the studied area of bone tissue and determine a corresponding area of the standard for photometry. Stereoroentgenophotometry with the use of a standardized screw-shaped wedge permits a 10-20% increase in the accuracy of determination of bone structure mineral saturation that contributes to improvement of diagnosis in various skeletal diseases.

Absorptiometry, Photon↗