The authors investigated the magnitude of hand grasping forces in certain positions of the arm in standing position of women dentists. The investigation concerned a sample of 39 female dentists. The research consisted of 3 devices: the grasping device with electroresistant tape; the measuring device and the printer for graphical registration of deformations. In conclusion the authors pointed out the effect of hand position in relation to the frontal plane of the dentist. Grasping forces of the hand increased with the increase of the angle between the upper arm and the forearm. Higher values of grasping forces in standing position suggested the need of use of the former position during grasps which required big forces in addition to the technique. (e.i. too the extraction).