Collateral Ligament of the PIP of the 5th Phalanx of the Hand

Proximal/Superior Attachment

• Head of 5th Proximal Phalanx of the Hand

Distal/Inferior Attachment

• Base of 5th Middle Phalanx of the Hand - Blends with the Margins of the Palmar Ligament

Joints

• PIP of the 5th Phalanx of the Hand