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Anatomical Positions

Anatomical Positions

In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...

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Related Experiment Video

Updated: Apr 18, 2026

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication

Published on: December 11, 2013

Reducing patient posture variability using the predicted couch position.

Wilhelmus J M de Kruijf¹, Rob J W Martens¹

¹Institute Verbeeten, Tilburg, The Netherlands.

Medical Dosimetry : Official Journal of the American Association of Medical Dosimetrists

|January 27, 2015

Summary

This summary is machine-generated.

This study introduces a method for predicting patient couch position before treatment, enhancing posture reproducibility. This approach minimizes systematic posture differences, offering improved precision in radiation therapy delivery.

Keywords:

Couch position Patient posture Patient setup

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Area of Science:

Medical Physics
Radiation Oncology

Background:

Accurate patient positioning is crucial for effective radiation therapy.
Current methods for establishing couch position can introduce systematic errors.
Limited data exists on couch positioning reproducibility in clinical practice.

Purpose of the Study:

To present a novel method for predicting patient couch position prior to treatment.
To improve the reproducibility of patient posture during radiation therapy.
To establish reference data for couch position variations.

Main Methods:

Implementing a predicted couch position strategy instead of a reference position from the first fraction.
Positioning patients at the planned couch position with minor skin mark-to-laser adjustments.
Utilizing online imaging for verification and data collection over a 3-month period.

Main Results:

Achieved low standard deviations in couch position across different treatment sites (e.g., head and neck, thorax, breast, pelvis).
Demonstrated reduced couch position variations compared to previously published literature.
Successfully improved the reproducibility of patient posture within the institute.

Conclusions:

Predicting couch position before treatment significantly enhances patient posture reproducibility.
The proposed method offers a reliable approach for precise patient positioning in radiation therapy.
The collected data can serve as a valuable reference for other radiation oncology centers.