A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
326/12.3
A61B 5/00 (2006.01) A61B 5/04 (2006.01) A61B 5/0488 (2006.01) A61B 5/11 (2006.01)
Patent
CA 1297952
ABSTRACT A non-invasive method and equipment for the evaluation of the flexibility of the spine of a patient and, as a result of this evaluation, the detection and identification of possible mechanical injuries in the lumbar portion of this spine. Accord- ing to this method, a string of skin-markers is fixed onto the skin of the back of the patient in the midline of his spine from at least cervical vertebra C7 down to at least sacral vertebra S3. Two other skin-markers are fixed onto the skin of the back of the patient in a bilateral and symmetrical manner on the crests of his ilium. The relative positions of all the skin-markers are then monitored and recorded as he flexes forward in this sagittal plane and the so recorded positions are processed to determine (1) the angle of flexion .alpha. of the patient, this an- gle .alpha. being indicative of the combined motion of both hip and spine of the patient, (2) the angle of rotation "h" of the hip and the actual contribution of the spine to the total flexion of the patient, this contribution, expressed as angle "s", being indicative of the spine motion of the patient. The relative variations of "h" and "s" versus .alpha., which are respectively indi- cative of the ranges of hip and spine motions in the sagittal plane, can be compared with each other and with results obtained from a group "normal" patients to determine any discrepancy or singularity in the flexibility of the spine. The data that are so obtained may be correlated with other data obtainable by the same equipment, such as the lumbo-sacral angle, the percentage arc elongation and the electromyographic activities of the pa- tient's muscles.
548627
Business Development Bank Of Canada
Robic
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