CHAPTER 8 Structure and Function of the Shoulder Complex
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Flexion
Abduction
Adduction A Extension B
C Scaption Abduction
D Horizontal Adduction
E
Figure 8.17 Movement at the GH joint. (A) GH flexion and extension occur in the sagittal plane around a frontal plane axis. (B) GH abduction and adduction occur in the frontal plane around a sagittal plane axis. (C) GH scaption occurs in the same plane as the scapula around an oblique axis. (D) GH horizontal abduction and adduction in the horizontal plane. (E) Circumduction is a combination of all GH movements.