College of Massage Therapists of British Columbia (CMTBC) Practice Exam

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In terms of radiocarpal joint flexion, what is the typical ROM?

15-30 degrees
70-90 degrees
80-90 degrees
30-45 degrees

The correct answer is: 80-90 degrees

The typical range of motion (ROM) for flexion at the radiocarpal joint is generally understood to be between 70 to 90 degrees. The radiocarpal joint, commonly referred to as the wrist joint, allows for a significant degree of flexion necessary for many daily activities and movements involving the hands. This functional range supports various tasks that require wrist mobility while providing stability and balance during these actions. A ROM of 70 to 90 degrees reflects the anatomical design of the joint, including the articular surfaces and ligamentous structures that facilitate flexion. This flexibility is essential for activities such as typing, playing musical instruments, or sports that require hand coordination. Understanding this range is crucial for practitioners in assessing wrist function and diagnosing conditions that may limit this movement, thereby providing targeted treatment options to restore optimal wrist functionality.