Fig. 7From: Practical considerations for determination of scapular internal rotation and its relevance in reverse total shoulder arthroplasty planningResults of measurement of scapular internal rotation (SIR) with SD based on different landmarks (Angulus acromii, AC- joint and midpoint AA/C) dependent on progressive anterior scapular tilt in 0°, 10°, 20°, 30° and 40°. Scapular axis is shown as a red lineBack to article page