Base of 3rd Proximal Phalanx of the Hand

Bone

• 3rd Proximal Phalanx of the Hand

Attaching Structures as Insertion

• Collateral Ligaments of the 3rd MCP - Palmar Aspect of the side
• Palmar Ligament of the 3rd MCP - Anterior Margin

Joints

• 3rd Metacarpophalangeal Joint (3rd MCP)