Related Experiment Video
Updated: May 18, 2026

10:07
Measurement of Dynamic Scapular Kinematics Using an Acromion Marker Cluster to Minimize Skin Movement Artifact
Published on: February 10, 2015
Pre- and postoperative function after scapula malunion reconstruction: a novel kinematic technique.
Erich M Gauger1, Paula M Ludewig, Coen A Wijdicks
1Department of Orthopaedic Surgery, University of Minnesota-Regions Hospital, St Paul, MN 55101, USA.
Journal of Orthopaedic Trauma
|September 27, 2012
Summary
This study introduces a new kinematic analysis for floating shoulder malunion. The technique showed improved shoulder movement and function after corrective surgery.
Area of Science:
- Orthopedics
- Biomechanics
- Medical Engineering
Background:
- Floating shoulder malunion presents challenges in assessing shoulder girdle function.
- Accurate pre- and postoperative evaluation is crucial for treatment planning and outcome assessment.
Observation:
- A novel kinematic analysis technique utilizing electromagnetic motion sensors was employed.
- The analysis compared patient motion curves to healthy subject data pre- and postoperatively.
- Patient-reported outcomes (DASH, SF-36) and objective measures (strength, range of motion) were also collected.
Findings:
- The kinematic analysis revealed improved scapular resting position and motion patterns post-surgery.
- Postoperative motion more closely resembled that of healthy individuals.
- Patient-reported outcomes significantly improved, with the Disabilities of the Arm, Shoulder, and Hand (DASH) score decreasing from 30 to 3.
Implications:
- This kinematic analysis technique offers a valuable tool for evaluating floating shoulder malunion.
- Objective kinematic data can complement traditional outcome measures for a comprehensive assessment.
- The findings support the efficacy of corrective osteotomy in restoring shoulder function.
