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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