Dynamic interactions between limb segments during planar arm movement.

Movement of multiple segment limbs requires generation of appropriate joint torques which include terms arising from dynamic interactions among the moving segments as well as from such external forces as gravity. The interaction torques, arising from inertial, centripetal, and Coriolis forces, are not present for single joint movements. The significance of the individual interaction forces during reaching movements in a horizontal plane involving only the shoulder and elbow joints has been assessed for different movement paths and movement speeds. Trajectory formation strategies which simplify the dynamics computation are presented.

[Therapeutical results of non-acute perceptive hearing loss with vasoactive medicaments (author's transl)]. / Ergebnisse der Therapie nichtakuter Schallempfindungs-schwerhörigkeit mit vasoaktiven Medikamenten

67 patients who are suffering from a non-acute perceptive hearing loss were treted by several vasoactive medicaments. Besides pharmacological aspects of derivatives of di-ethyl-amino-ethyl-alcohol and of xanthine were discussed. The therapeutical results were subjected to comparing views.

[Results in the diagnostic of patients with non-acute conductive hearing loss (author's transl)]. / Ergebnisse der Diagnostik bei Patienten mit nicht-akuter Schallempfindungsschwerhörigkeit

70 patients who are suffering from a sound perception deafness without any acute reason, were stationary examined by a certain diagnostic scheme. We want to report the results of the evaluation of this so-called diagnostic check. Simultaneously the question will be discussed, whether such a diagnostic scheme will meet its expenditure.