Dietz, V., Grillner, S., Trepp, A., Hubli, M., Bolliger, M.
Locomotor activity and spinal reflexes (SRs) show common features in different mammals, including humans. Here we report the time-course of the development of locomotor activity and SRs after a...
Buttock pain after sacrospinous hysteropexy: reply to Wallner (2008)
Dietz, V., Huisman, M., Jong, J.M. De, Heintz, A.P.M.
We greatly appreciate the comment by Dr. Wallner [1] on the new insight into the positioning of the pudendal and levator ani nerves in relation to the complaint of buttock pain after sacrospinous...
Preservation of the uterus in vaginal prolapse surgery: the sacrospinous hysteropexy (2008)
With the enormous growth of the world population in the last decades and the higher life expectancy, pelvic organ prolapse has become a world wide health problem. In the Netherlands, in case of a...
Preservation of the uterus in vaginal prolapse surgery: the sacrospinous hysteropexy (2008)
With the enormous growth of the world population in the last decades and the higher life expectancy, pelvic organ prolapse has become a world wide health problem. In the Netherlands, in case of a...
Locomotion in Parkinson's disease: neuronal coupling of upper and lower limbs (2008)
Quadrupedal limb coordination during human walking was recently shown to be upregulated during obstacle stepping. An anticipatory activity of coupled cervico-thoraco-lumbar interneuronal circuits is...
Dietz, V., Jong, J. De, Huisman, M., Schraffordt Koops, S.E., Heintz, A.P.M., Vaart, P. Van Der
The objective of this study was to assess the effectiveness of sacrospinous ligament fixation of the uterus as a primary treatment of uterovaginal prolapse. In this observational study, 133 women...
Fawcett, J. W., Curt, A., Steeves, J. D., Coleman, W. P., Tuszynski, M. H., Lammertse, D., ...
The International Campaign for Cures of Spinal Cord Injury Paralysis (ICCP) supported an international panel tasked with reviewing the methodology for clinical trials in spinal cord injury (SCI), and...
Steeves, J. D., Lammertse, D., Curt, A., Fawcett, J. W., Tuszynski, M. H., Ditunno, J. F., ...
An international panel reviewed the methodology for clinical trials of spinal cord injury (SCI), and provided recommendations for the valid conduct of future trials. This is the second of four...
Fawcett, J. W., Curt, A., Steeves, J. D., Coleman, W. P., Tuszynski, M. H., Lammertse, D., ...
The International Campaign for Cures of Spinal Cord Injury Paralysis (ICCP) supported an international panel tasked with reviewing the methodology for clinical trials in spinal cord injury (SCI), and...
Steeves, J. D., Lammertse, D., Curt, A., Fawcett, J. W., Tuszynski, M. H., Ditunno, J. F., ...
An international panel reviewed the methodology for clinical trials of spinal cord injury (SCI), and provided recommendations for the valid conduct of future trials. This is the second of four...
Hoefer, C, Hodapp, M, Dietz, V, Berger, W
The role of force feedback during gait is still a matter of debate. From work on cats, it is known that input from Golgi tendon organs from triceps surae does produce lb facilitation during...
Cutaneous reflexes evoked during human walking are reduced when self-induced (2006)
Nieuwenhuijzen, PHJA, Bastiaanse, CM, Dietz, V
Reflex responses are often less pronounced when they are self-induced, but this question has barely been investigated quantitatively. The issue is particularly relevant for locomotion since it has...
Influence of passive leg movements on blood circulation on the tilt table in healthy adults. (2004)
Czell, D, Schreier, R, Rupp, R, Eberhard, S, Colombo, G, Dietz, V
BACKGROUND: One problem in the mobilization of patients with neurological diseases, such as spinal cord injury, is the circulatory collapse that occurs while changing from supine to vertical position...
Gait acts as a gate for reflexes from the foot (1) (2004)
University of Nijmegen.
Spinal Cord Lesion: Effects of and Perspectives for Treatment (2001)
Following central motor lesions, two forms of adaptation can be observed which lead to improved mobility: (1) the development of spastic muscle tone, and (2) the activation of spinal locomotor...
Grasping and Walking Neuroprostheses for Stroke and Spinal Cord Injured Subjects (1999)
Popovi'c Keller Pappas, T. Keller, M. Morari, V. Dietz
A rapid prototyping and portable functional electrical stimulation systems with surface stimulation electrodes were developed. The proposed systems were used to design grasping and walking...
Grasping In High Lesioned Tetraplegic Subjects Using The Emg Controlled Neuroprosthesis (1998)
Thierry Keller Armin, Armin Curt, Milos R. Popovic, Volker Dietz, Annelies Signer, Thierry Keller, ...
A four channel functional electrical stimulation system with surface electrodes was developed and tested to give individuals with complete C4 and C5 tetraplegia a possibility to perform a grasping...
Faist, M., Mazevet, D., Dietz, V., Pierrot-Deseilligny, E.
Soleus H-reflex facilitation evoked by a supramaximal conditioning stimulation to the femoral nerve was investigated in 28 healthy control subjects and 35 spastic patients of whom 17 were paraplegics...
Activation of leg musculature on both sides following a unilateral displacement was studied during stance on separate see-saws, or on stable force-measuring platforms, in patients with spastic...
1. The effect of body immersion on postural adjustments was studied in ten healthy subjects. Reaction times, for pushing or pulling a rigid handle, in response to a visual stimulus were measured. In...
Stumbling reactions in man: significance of proprioceptive and pre-programmed mechanisms.
Dietz, V, Quintern, J, Sillem, M
1. Electromyogram (e.m.g.) responses of the leg musculature and the corresponding joint movements were studied following a perturbation of the limb during walking on a treadmill, produced by a...
Berger, W, Dietz, V, Quintern, J
Electromyogram (e.m.g.) responses of lower leg muscles, and corresponding movements were studied following a perturbation of the limb during walking, produced by either (a) a randomly timed, short...
Dietz, V, Noth, J, Schmidtbleicher, D
1. Electromyographic (e.m.g.) profiles of proximal arm muscles were studied in human subjects falling forward onto a platform. 2. The stretching of the triceps lasted 200-300 msec for deep falls, and...
1. The effect of body immersion on postural adjustments was studied in ten healthy subjects. Reaction times, for pushing or pulling a rigid handle, in response to a visual stimulus were measured. In...
Stumbling reactions in man: significance of proprioceptive and pre-programmed mechanisms.
Dietz, V, Quintern, J, Sillem, M
1. Electromyogram (e.m.g.) responses of the leg musculature and the corresponding joint movements were studied following a perturbation of the limb during walking on a treadmill, produced by a...
Berger, W, Dietz, V, Quintern, J
Electromyogram (e.m.g.) responses of lower leg muscles, and corresponding movements were studied following a perturbation of the limb during walking, produced by either (a) a randomly timed, short...
Dietz, V, Noth, J, Schmidtbleicher, D
1. Electromyographic (e.m.g.) profiles of proximal arm muscles were studied in human subjects falling forward onto a platform. 2. The stretching of the triceps lasted 200-300 msec for deep falls, and...
Cutaneous reflexes evoked during human walking are reduced when self-induced
Baken, BCM, Nieuwenhuijzen, PHJA, Bastiaanse, CM, Dietz, V, Duysens, J
Reflex responses are often less pronounced when they are self-induced, but this question has barely been investigated quantitatively. The issue is particularly relevant for locomotion since it has...
Dietz, V, Kowalewski, R, Nakazawa, K, Colombo, G
The effect on reaction time (RT) and anticipatory postural adjustment (APA) of unexpectedly changing stance conditions was studied using a push or pull arm movement task. The aim was to evaluate the...
Obstacle avoidance during human walking: learning rate and cross-modal transfer
The aim of this study was to investigate the significance of specific afferent information during motor learning. Blindfolded subjects stepped over an obstacle on a treadmill while different stimuli...
Influence of spinal cord injury on cerebral sensorimotor systems: a PET study.
Roelcke, U, Curt, A, Otte, A, Missimer, J, Maguire, R P, Dietz, V, ...
OBJECTIVES: To assess the effect of a transverse spinal cord lesion on cerebral energy metabolism in view of sensorimotor reorganisation. METHODS: PET and 18F-fluorodeoxyglucose were used to study...
Assessment of autonomic dysreflexia in patients with spinal cord injury.
Curt, A, Nitsche, B, Rodic, B, Schurch, B, Dietz, V
OBJECTIVES AND METHODS: To assess the impairment of supraspinal control over spinal sympathetic centres and the occurrence of autonomic dysreflexia in patients with spinal cord injury. Autonomic...
Balancing as a clinical test in the differential diagnosis of sensory-motor disorders.
Mauritz, K H, Dietz, V, Haller, M
During balancing on a seesaw normal individuals have a mean sway oscillation of 4.3 Hz, which is significantly lower (3.3 Hz) in patients with peroneal muscular atrophy. It is assumed that the...
Patients with tremor of Parkinsonism show three characteristics of motor unit activity: rhythmic spontaneous resting discharge, abnormally low firing rates during voluntary contraction, and...
Ibrahim, I K, El-Abd, M A, Dietz, V
Reflex electromyographic (EMG) muscle responses were recorded from abductor pollicis brevis (APB) and tibialis anterior (TA) muscles of fifty patients with spastic hemiplegia. Responses in the...
Berger, W, Horstmann, G, Dietz, V
In 15 patients with spastic hemiparesis the development of tension of calf muscles in relation to their electrical activation and their stretching period was studied on both sides during locomotion....
Spastic paresis: impaired spinal reflexes and intact motor programs.
Berger, W, Horstmann, G A, Dietz, V
Leg muscle EMG responses evoked by short treadmill acceleration impulses applied during stance were analysed in patients with spastic hemiparesis. The compensatory reactions on the unaffected side...
Iseli, E., Cavigelli, A., Dietz, V., Curt, A.
OBJECTIVES—To compare prognostic factors and functional recovery between paraplegic patients with either ischaemic (28 patients) or traumatic (39 patients) spinal cord injury (SCI). METHODS—On...
Long term effects of locomotor training in spinal humans
The long term effects of locomotor training in patients with spinal cord injury (SCI) were studied. In patients with complete or incomplete SCI coordinated stepping movements were induced and trained...
Obstacle avoidance during human walking: transfer of motor skill from one leg to the other
Biedermann, M, Erni, T, Dietz, V
The aim of this study was to evaluate whether a newly acquired locomotor skill can be transferred to the mirror condition. Subjects were trained to step over an obstacle on a treadmill, the...
Spinal Cord Lesion: Effects of and Perspectives for Treatment
Following central motor lesions, two forms of adaptation can be observed which lead to improved mobility: (1) the development of spastic muscle tone, and (2) the activation of spinal locomotor...
Food-related illness and death in the United States.
Mead, P. S., Slutsker, L., Dietz, V., McCaig, L. F., Bresee, J. S., Shapiro, C., ...
To better quantify the impact of foodborne diseases on health in the United States, we compiled and analyzed information from multiple surveillance systems and other sources. We estimate that...
Performance and potency of tetanus toxoid: implications for eliminating neonatal tetanus.
Dietz, V., Milstien, J. B., Van Loon, F., Cochi, S., Bennett, J.
Neonatal tetanus (NT) is a major cause of mortality in developing countries, with over 400,000 deaths estimated to occur annually. WHO has adopted the goal of eliminating NT worldwide, and a major...
Dietz, V., Andrus, J., Olivé, J. M., Cochi, S., De Quadros, C.
The Pan American Health Organization adopted as a goal the interruption of transmission of wild poliovirus from the americas by 1990. Collection and processing of stool specimens from patients with...
Dietz, V., Galazka, A., Van Loon, F., Cochi, S.
An estimated 400,000 deaths occur annually from neonatal tetanus (NT). In 1989 WHO adopted the goal of eliminating NT as a public health problem worldwide. To achieve this, and to control...