We appreciate your visit to Upon visual inspection an athletic trainer observes an athlete s fifth digit in extension of the MCP and DIP joints and flexion of the PIP. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
Final answer:
The athlete's finger position suggests a C) Boutonniere Deformity, which involves extension of the MCP and DIP joints along with flexion of the PIP joint, impacting the hand's condyloid joints.
Explanation:
The athlete has likely sustained a C) Boutonniere Deformity. This specific type of injury is characterized by the extension of the metacarpophalangeal (MCP) and distal interphalangeal (DIP) joints and flexion of the proximal interphalangeal (PIP) joint. The metacarpophalangeal joints are examples of condyloid joints and play a crucial role in the flexibility and movement of the fingers. When injuries to the bones or joints of the hand occur, such as the carpals, metacarpals, and phalanges, they can result in issues that affect the normal function of these joints. In the case of a Boutonniere Deformity, disruption of the extensor mechanism at the PIP joint leads to this characteristic finger position.
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