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. 2018 Mar 23;13(3):e0194686. doi: 10.1371/journal.pone.0194686

Fig 3. Mean value of θ (the angle between shoulder blades) and α (angle between the upper arm and the trunk) during body posture manipulation.

Fig 3

Note. Grey circles: contractive condition; dark circles: expansive condition. The dashed line separates the two classes. deg = degrees.