The practice of surgery . arm Fig. (rj5.—Reducing dislocation of the shoulder. Note shoulder over edge oftable; patient on back. First step: Elbow at side. Note method of grasping aboveelbow and wrist (Scudder). lower border of the rent is also very tense. But the tension is greatestat the upper part of the capsule, and especially between the long tendonof the biceps and the upper border of the subscapularis, where it is. Fig. 636. -Second step: Elbow at side. Rotation of forearm outward to the extremelimit of rotation (Scudder). reinforced by the fibers of the coracohumeral ligament. This por
The practice of surgery . arm Fig. (rj5.—Reducing dislocation of the shoulder. Note shoulder over edge oftable; patient on back. First step: Elbow at side. Note method of grasping aboveelbow and wrist (Scudder). lower border of the rent is also very tense. But the tension is greatestat the upper part of the capsule, and especially between the long tendonof the biceps and the upper border of the subscapularis, where it is. Fig. 636. -Second step: Elbow at side. Rotation of forearm outward to the extremelimit of rotation (Scudder). reinforced by the fibers of the coracohumeral ligament. This portionof the capsule is twisted in the dislocation, and stretched in the foim of asolid cord. If now, the humerus is rotated externally until the flexedforearm is turned directly outward, this cord will be at the s:ime time SPECIAL DISLOCATIONS 931 rotated outward, the posterior part of the capsule will be widely re-moved from the fossa^ and the rent in the capsule will gape; but thehead of the humerus will still remain solidly fixed against the anterioredge of the glenoid fossa, because the upper and lower portions of thecapsule have not been relaxed by this movement. It is only when theelbow is carried fonvard and raised in the sagittal plane, while the armis still held in external rotation, that the upper part of the capsule isseen to relax, and the head of the humerus, thanks to the tension ofthe lower portion,
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsurgery, bookyear1910
