Answer :
Final answer:
The condition where the PIP joint is in hyperextension, and the DIP joint is in flexion. Therefore, the correct Option is Option b) Swan neck deformity.
Explanation:
Swan neck deformity is characterized by the hyperextension of the PIP joint and flexion of the DIP joint in the finger. This condition is typically caused by trauma to the PIP volar plate, often resulting from injury or in some cases, it is a common manifestation of rheumatoid arthritis.
In the case of trauma, damage to the volar plate disrupts the balance of the finger's tendons and ligaments, leading to the characteristic deformity. In rheumatoid arthritis, chronic inflammation affects the joint structures, causing similar deformities.
Swan neck deformity can significantly impact hand function and dexterity. Management may include splinting, exercises, or in some cases, surgical intervention to correct the deformity. Understanding the underlying causes and appropriate management is crucial in providing the best possible outcome for individuals affected by Swan neck deformity.
Therefore, the correct Option is Option b) Swan neck deformity.
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