Screw Fixation

• Fracture edges are inspected and the optimal position for screw fixation (perpendicular) is selected.

• Anatomic reduction is ideal for maximal compression.

• Ensure the fracture fragment is at least three times the thread diameter of the screw for fixation.

• Long oblique and spiral fracture patterns may be fixed with 1.5-mm screws if the fracture is two to three times diameter of the phalanx.

• Loupe magnification is helpful when using 1.1-or 1.5-mm screws.

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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