Normative values of agonist-antagonist shoulder strength ratios of adults aged 20 to 78 years.

@article{Hughes1999NormativeVO,
  title={Normative values of agonist-antagonist shoulder strength ratios of adults aged 20 to 78 years.},
  author={Richard E. Hughes and Marjorie E. Johnson and Shawn W. O'driscoll and Kyu Nam An},
  journal={Archives of physical medicine and rehabilitation},
  year={1999},
  volume={80 10},
  pages={
          1324-6
        }
}
OBJECTIVE To determine normative values for isometric flexion/extension, abduction/adduction, and external/internal rotation strength ratios about the shoulder and to determine if these ratios are affected by age or gender. STUDY DESIGN A cross-sectional study of 120 healthy volunteers (60 men, 60 women) aged 20 to 78 years. SETTING Orthopedic research laboratory. METHODS Flexion and extension strengths were measured isometrically using a Cybex II dynamometer at arm flexion angles of 30… CONTINUE READING

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