Collateral Ligament of the DIP of the 4th Phalanx of the Hand

Proximal/Superior Attachment

• Head of 4th Middle Phalanx of the Hand

Distal/Inferior Attachment

• Base of 4th Distal Phalanx of the Hand - Blends with the Margins of the Palmar Ligament

Joints

• DIP of the 4th Phalanx of the Hand