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reference position
The normal, arms-in-front position with the hands aligned and little forward flexion at the shoulder was called the reference position.
      
When the arms were rotated to the side, one arm was raised, or both arms were raised, matching ability deteriorated compared with the reference position, when expressed as an increase in the standard deviation of matching errors.
      
A reference position is determined by the orientation of the head to the light source, characteristic for the particular behavior pattern in question.
      
The term "reference position" is used because it corresponds to a reference or "target" point for the closed control system maintaining the animals orientation in space.2.The reference positions were determined for eight behavior patterns (cf.
      
It shows that the turning movements, made by the larva in attempting to regain the reference position, vary in intensity proportionally to sine-like function of the light angle (Fig.
      
From this it follows, that a change of reference position is brought about by processes which entail a shift of the turning tendency curve along the ordinata (cf.
      
As with any pressure measurement, the zero or reference position is an important concept.
      
Proprioceptive capacity was assessed by comparing the identified angular position with the reference position-angular distance expressed in terms of absolute error (AE), constant error (CE), and variable error (VE).
      
The subjects were instructed to minimize the displacements of the hand from a reference position that resulted from the force perturbations.
      
One of the most important parameters seems to be use of a monopolar signal derivation, with the contralateral cornea serving as the reference position.
      
Measurements 11 and 12 were also taken without removing the foot, but the calcaneus position was varied by an angle of ±2.5° with respect to the reference position used during the first 10 measurements.
      
The principal concerns in this article are with the pharynx in reference position, although the mechanisms and directions of its motions during swallowing and speech are noted.
      
This is the true reference position for the cervical spine in the sagittal plane.
      
Anatomic basis of ligamentous control of elevation of the shoulder (Reference position of the shoulder joint)
      
The strain gauges are cemented just on the crack line and at a reference position, and the normalized CODs are measured under the impact load excited by hammer punching.
      
The concept of employing osculating reference position and velocity vectors in the numerical integration of the equations of motion of a satellite is examined.
      
Moreover, in order to reduce the oscillations on the optimized reference position a fuzzy scaling machine is included on the force control strategy.
      
A second order linear model, which defines the desired impedance for the robot, is used to generate the reference position, velocity and acceleration trajectories under the influence of an external force.
      
Accurate time marks are stored in each frame, and image motion due to the Earth's atmosphere is compensated by fitting the limb positions in each series of frames with respect to time and by reducing them to a common reference position.
      
We present an example where the Ov 629 ? line, formed at 240 000 K, is shifted from its reference position corresponding to line-of-sight velocities greater than 50 km s-1 with the shift extending over a large fraction of a loop.
      
 

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