Wrist Instability Part I: Anatomy and Biomechanics
Presented by Mirka Normand
This is Part I of a three-part series.
CHTs, when submitting this for recertification through HTCC, this course can be used for CAT B (hand therapy courses < 3 hours in length); however, if this course certificate is submitted with the following course certificates listed below (or any combination totaling 3 hours or more), they can be submitted under CAT A (hand therapy courses > 3 hours in length).
Meet your instructor
Mirka Normand
Ms. Normand graduated with a Bachelor of Science in Occupational Therapy from Laval University in Québec, Canada. She completed a Hand Therapy Fellowship with Baylor College of Medicine and Texas Woman's University in 1999, in Houston TX and was certified as a hand therapist that same year by the Hand Therapy Certification…
Chapters & learning objectives
1. Carpal Anatomy
This chapter presents an overview of the bony and ligamentous structures of the carpus. Close attention is directed toward the architecture of the proximal and distal carpal rows as well as the resulting radiocarpal and midcarpal joints' arthrokinematics, followed by a detailed look at the ligamentous system and its specific characteristics.
2. Distal Radioulnar Joint (DRUJ) Anatomy
This chapter presents an overview of the bony and ligamentous structures of the distal radioulnar joint (DRUJ) as well as its extrinsic stabilizers. Analysis of the composition and dynamic functionality of the triangular fibrocartilage is included.
3. Biomechanics
This chapter explores the carpal kinematics, or how the wrist moves, through the observation of its four interdependent carpal elements and how they interact during motion. Additionally, the chapter will analyze the carpal kinetics, or how the wrist sustains load, including the multifaceted stabilizing mechanism that delivers the essential underpinning of wrist stability.
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