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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