. Manual of operative surgery. -^ Fig. 1340.—Arthrotomy. Fig. 1341.—Excision of shoulder. {Schwartz.) As the separation progresses the assistant rotates the humerus inwards. Inusing the sharp elevator keep the edge of the instrument firmly pressed againstthe bone, and when there is danger of tearing the periosteum endeavor to sacri-fice bone rather than impair the integrity of its fibrous covering. If these rulesare observed, the tendinous insertions and periosteum will be raised from thebone together and remain attached to the fibrous capsule of the joint. One israrely completely successful i
. Manual of operative surgery. -^ Fig. 1340.—Arthrotomy. Fig. 1341.—Excision of shoulder. {Schwartz.) As the separation progresses the assistant rotates the humerus inwards. Inusing the sharp elevator keep the edge of the instrument firmly pressed againstthe bone, and when there is danger of tearing the periosteum endeavor to sacri-fice bone rather than impair the integrity of its fibrous covering. If these rulesare observed, the tendinous insertions and periosteum will be raised from thebone together and remain attached to the fibrous capsule of the joint. One israrely completely successful in this, but even partial success is benefical. Theexternal tuberosity having been denuded, open the sheath of the biceps tendon,lift the tendon from its groove and retract it inwards. Separate the periosteumand tendinous insertions from the internal or lesser tuberosity in the manneralready described, while doing so have the assistant rotate the arm the head of the humerus protrude into the wound by carrying
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