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Table 2 Frequency of the scapular upward rotation type after knot formation

From: Effect of external load on scapular upward rotation during arm elevation: the knot concept

 

Type I

Type II

Unloaded

29 shoulders (83 %)

6 shoulders (17 %)

1 kg

26 shoulders (74 %)

9 shoulders (26 %)

2 kg

27 shoulders (77 %)

8 shoulders (23 %)

3 kg

28 shoulders (80 %)

7 shoulders (20 %)

4 kg

26 shoulders (74 %)

9 shoulders (26 %)

5 kg

26 shoulders (74 %)

9 shoulders (26 %)

  1. Type I: The scapular upward rotation decreases after knot formation
  2. Type II: The scapular upward rotation increases after knot formation