Table 2.
Coronal plane abduction | Scapular plane abduction | Flexion | Axial rotation | |||||
---|---|---|---|---|---|---|---|---|
Moment arm | SE | Moment arm | SE | Moment arm | SE | Moment arm | SE | |
Anterior deltoid | 36.2 | 8.0 | 33.9 | 5.0 | 35.5 | 3.3 | −22.2 | 6.2 |
Middle deltoid | 26.8 | 1.7 | 33.4 | 1.5 | 21.5 | 4.8 | −14.6 | 12.6 |
Posterior deltoid | 14.5 | 6.2 | −16.9 | 4.8 | −36.4 | 10.5 | −7.3 | 1.3 |
Pectoralis major | −44.0 | 11.1 | 35.1 | 4.9 | 21.1 | 0.9 | 20.0 | |
Latissimus dorsi | −37.3 | 1.7 | −35.6 | 8.4 | −26.8 | 13.2 | 9.0 | |
Teres major | −47.6 | 1.5 | −51.7 | 4.4 | −51.7 | 2.7 | 7.5 | |
Supraspinatus | 28.2 | 1.6 | 26.4 | 1.3 | 27.1 | 15.6 | −4.0 | |
Infraspinatus | 15.6 | 3.4 | 11.2 | 2.4 | 7.1 | 4.1 | 24.5 | 0.9 |
Subscapularis | −8.1 | 2.3 | 9.7 | 0.8 | 9.5 | 4.7 | −20.6 | 2.8 |
Teres minor | 6.4 | 2.6 | 8.5 | 6.5 | −14.8 | 1.8 | 20.9 | 1.6 |
Axial rotation data are provided for humerus in its neutral position. All data are given in mm.