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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Ann Biomed Eng. 2010 May 11;38(9):2979–2987. doi: 10.1007/s10439-010-0056-9

TABLE 1.

Significant coefficient (β) results using multiple regression analysis for strain in the infraspinatus and supraspinatus tendon with supraspinatus partial-thickness tear.

Dependent variable Model P Model R2 Glenohumeral
abduction angle (β)		 Joint rotation
angle (β)		 SS load
(β)		 SS partial-thickness
tear size (β)
Average maximum principal strain in IS 0.001 0.68 −0.05 0.03 0.019 –
Average minimum principal strain in IS 0.001 0.66 0.05 – 0.02 –
Average maximum principal strain in SS 0.001 0.35 0.04 – 0.06 –
Average minimum principal strain in SS 0.001 0.72 0.06 −0.05 −0.05 −0.01

P = model significance; R2 = correlation coefficient of model.

SS Supraspinatus tendon; IS Infraspinatus tendon.