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Shoulder dysfunction assessment: self-report and impaired scapular movements.
Jiu-jeng Lin1, William P Hanten, Sharon L Olson
1School of Physical Therapy and National Taiwan University Hospital, College of Medicine, National Taiwan University, Zhongzheng District, Taipei City 100, Taiwan, Republic of China. lxjst@ha.mc.ntu.edu.tw
Physical Therapy
|August 2, 2006
Summary
Shoulder dysfunction involves altered scapular movement, identified by both self-report (FLEX-SF) and performance measures. These findings aid in developing targeted interventions for shoulder dysfunction.
Area of Science:
- Biomechanics
- Orthopedics
- Physical Therapy
Background:
- Shoulder dysfunction is prevalent across diverse patient groups.
- Accurate assessment is crucial for effective treatment.
Purpose of the Study:
- To evaluate shoulder dysfunction using both self-report and performance-based functional measures.
- To correlate self-reported limitations with objective kinematic data.
Main Methods:
- Fifty male participants (25 with and 25 without shoulder dysfunction) were recruited.
- The Flexilevel Scale of Shoulder Function (FLEX-SF) assessed self-reported disabilities.
- Electromagnetic tracking monitored 3D scapular movements during functional tasks.
Main Results:
- Individuals with shoulder dysfunction exhibited significantly altered scapular kinematics compared to controls.
- Specific alterations included reduced posterior tipping and upward rotation, and increased elevation.
- Scapular movements strongly correlated with FLEX-SF scores, validating the measures.
Conclusions:
- Self-report and performance-based measures effectively identify functional limitations in shoulder dysfunction.
- Impaired scapular posterior tipping, upward rotation, and excessive elevation are key indicators.
- These findings can inform the development of tailored intervention strategies for shoulder dysfunction.