A second subcutaneous tunnel is made across the palm to the thumb MP joint. The line of pull is estimated by placing the donor tendon to the proposed insertion site on the distal thumb metacarpal (Fig. 21-3B).

Regardless of the method of attachment used, the transferred tendon needs to be securely fixed in place. This can be accomplished using a bone tunnel or weaving the EIP through the abductor pollicis brevis (Fig. 21-4).

The thumb is placed in full opposition to the small finger. The EIP transfer is tensioned and secured. The tourniquet is then released, hemostasis is obtained, and the wounds are closed (Fig. 21-5). When the procedure is completed, a bulky hand

Where Ths Triscaphe Joint

Ipo m

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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