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Updated: Jun 20, 2026
10:07
Measurement of Dynamic Scapular Kinematics Using an Acromion Marker Cluster to Minimize Skin Movement Artifact
Published on: February 10, 2015
Measuring the clavicular kinematics: A systematic review and an exploratory study
Chun-Kai Tang1, Yin-Liang Lin1, Yi-Fen Shih1
1Department of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei, Taiwan.
Summary
Clavicular sensor placement significantly impacts shoulder motion analysis. The clavicular sensor offers more accurate and reliable clavicular kinematics measurements compared to the acromial sensor, aligning better with bone pin data.
Area of Science:
- Biomechanics
- Orthopedics
- Sports Medicine
Background:
- Clavicular kinematics are crucial for shoulder function and commonly assessed using electromagnetic tracking systems.
- Existing research shows variability in measurement methods and findings for clavicular kinematics.
Purpose of the Study:
- To systematically review clavicular kinematics during humeral elevation.
- To compare the accuracy and reliability of acromial versus clavicular sensor placement for measuring clavicular kinematics.
Main Methods:
- A PRISMA-guided systematic review of nine studies and an exploratory study involving 11 participants.
- Electromagnetic tracking measured clavicular kinematics during various humeral elevation movements (30-120 degrees).
- Intraclass correlation coefficients (ICCs) assessed reliability; two-way repeated-measures ANOVA compared sensor methods.
Main Results:
- Systematic review indicated consistent clavicular movement patterns with bone pins, but variations with surface sensors.
- Exploratory study revealed significant differences in clavicular elevation/depression and protraction/retraction between acromial and clavicular sensors.
- Clavicular sensor placement demonstrated superior reliability for protraction/retraction (ICCs 0.82-0.94 vs. 0.64-0.91) and better alignment with bone pin data.
Conclusions:
- Sensor placement critically influences the assessment of clavicular kinematics.
- The clavicular sensor provides more valid and reliable measurements of clavicular motion.
- Recommend clavicular sensor placement for future research and clinical evaluation of shoulder kinematics.
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