11.10- The Risk of Abnormal Scapulothoracic Function Quiz Please sign up for the course before taking this quiz. The effort of scapular depression while in a high degree of glenohumeral abduction or flexion can lead to immobile scapulae.1 True False The effort of scapular depression while in a high degree of glenohumeral abduction or flexion is unstable and highly injurious if fallen from.1 True False The effort of scapular depression while in a high degree of glenohumeral abduction or flexion will render rotator cuff muscles less effective and more prone to injury.1 True False The effort of scapular depression while in a high degree of glenohumeral abduction or flexion does not stack the bony structure of the shoulder area.1 True False