Determination of the centre of gravity in the methodology of kinesiotherapy for osteoporotic patients.

The article brings a biomechanical analysis of the determination of the position of gravity centre of trainee in plane, both graphically and by calculation. The importance of determining the position of the gravity centre in different postures of a trainee should not be underestimated, as it belongs to the basic principles in the development of methodology of kinesitherapy for both healthy and ill people. An erudite methodology of kinesitherapy for osteoporotic patients can be developed only on the basis of biomechanical analysis of each exercise element, i.e., it is necessary to have the knowledge of the position of gravity centre, support area and the distance of the gravity centre projection from the stability limit, magnitude of the stability angle, and regularity of mechanical stress acting upon weakened osteoporotic vertebrae. A correctly chosen methodology of kinesitherapy for osteoporotic patients prevents the development of vertebral microfractures, prevents the patient from falling during the exercise, and stimulates the bone neoformation with increasing the bone mineral density and periosteal apposition of bone, followed by the enlargement of the bone cross sectional area as well as that of the cross sectional moment of inertia. The resulting effect is an improvement in bone quality and its mechanical resistance (Tab. 2, Fig. 7, Ref. 11). Full Text (Free, PDF) www.bmj.sk.