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Table 5 Correlation between age, range of motion and strength.

From: Rotational strength, range of motion, and function in people with unaffected shoulders from various stages of life

    Range of motion
    Supine Sitting
   Age Internal
Rotation
(D)
Internal
Rotation
(ND)
External
Rotation
(D)
External
Rotation
(ND)
External
Rotation
(D)
External
Rotation
(ND)
Age   --- -0.05
(n = 130)
0.03
(n = 130)
-0.22*
(n = 130)
-0.15
(n = 130)
-0.01
(n = 196)
-0.08
(n = 131)
Strength Internal
Rotation
(D)
-0.14
(n = 131)
-0.09
(n = 128)
-0.07
(n = 128)
-0.05
(n = 128)
-0.04
(n = 128)
-0.28**
(n = 129)
-0.32**
(n = 129)
  Internal
Rotation
(ND)
-0.17
(n = 131)
-0.16
(n = 128)
-0.12
(n = 128)
-0.03
(n = 128)
0.01
(n = 128)
-0.23**
(n = 129)
-0.27**
(n = 129)
  External
Rotation
(D)
-0.09
(n = 169)
-0.07
(n = 130)
-0.03
(n = 130)
-0.01
(n = 130)
0.04
(n = 130)
-0.22*
(n = 131)
-0.28**
(n = 131)
  External
Rotation
(ND)
-0.16
(n = 131)
-0.13
(n = 128)
-0.09
(n = 128)
-0.05
(n = 128)
0.05
(n = 128)
-0.23*
(n = 129)
-0.28**
(n 129)
  1. * Significant at P < 0.05; ** Significant at P < 0.01.
  2. Abbreviations: D, Dominant arm; ND, Non-dominant arm