Related Experiment Video
Updated: Oct 24, 2026

Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings
Published on: July 26, 2022
Instrumented parallel bars for three-dimensional force measurement
1Department of Systems Engineering, Case Western Reserve University, Cleveland, OH 44106.
Abstract:
This paper describes the modification and instrumentation of standard parallel bars to allow for the measurement of applied forces on both horizontal bars in three dimensions. This measurement system has been used in the development and evaluation of functional electrical stimulation (FES) devices for standing and gait restoration in paralyzed patients. Real-time measurement of forces applied by the upper body of the patient to the parallel bars is of use in the evaluation of FES stimulation patterns (or automatic controllers of stimulation). Such measurements are useful in the redesign of stimulation patterns and/or stimulation controllers.
Related Concept Videos
Two-Dimensional Force System
Two-Dimensional Force System: Problem Solving
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...
Three-Dimensional Force System
Three-Dimensional Force System:Problem Solving
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
Three Force Member
For example, consider a dumpster connected to a pin support at point A and a pin attached to a hydraulic cylinder at point B.

