1st Deep Transverse Ligament of the MCP

Proximal/Superior Attachment

• Palmar Ligament of the 3rd MCP

Distal/Inferior Attachment

• Palmar Ligament of the 2nd MCP

Attaching Structures as Insertion

• Palmar Aponeurosis

Joints

• 2nd Metacarpophalangeal Joint (2nd MCP)
• 3rd Metacarpophalangeal Joint (3rd MCP)