Base of 2nd Proximal Phalanx of the Hand

Bone

• 2nd Proximal Phalanx of the Hand

Attaching Structures as Insertion

• 2nd Palmar Interossei of the Hand - Dorsal Digital Expansion
• Collateral Ligaments of the 2nd MCP - Palmar Aspect of the side
• Palmar Ligament of the 2nd MCP - Anterior Margin