Pearls

• The status of the articular cartilage on the proximal surface of the capitate is critical. Radiographic and intraoperative findings must be reconciled, and a decision must be made at the time of surgery as to the procedure chosen.

• In both operative procedures (proximal row carpectomy and 4-bone arthrodesis) a partial denervation of the wrist is indicated by excision of the terminal branch of the posterior interosseous nerve in the floor of the fourth dorsal compartment.

• Leaving a thin volar shell of bone avoids violation of the palmar extrinsic radiocarpal ligaments and does not appear to compromise the result.

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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