2nd Metacarpal

Parent Structures

• Metacarpals

Bone Classification

• Long

Bony Features

• Base of 2nd Metacarpal
• Head of 2nd Metacarpal
• Shaft of 2nd Metacarpal

Attaching Structures as Origin

• 1st Dorsal Interossei of the Hand - Lateral Side
• 2nd Dorsal Interossei of the Hand - Medial Side
• Palmar Ligament of the 2nd MCP - Attached to the Neck by the Joint Capsule

Associated Joints

• 2nd Metacarpophalangeal Joint (2nd MCP)
• Common Carpometacarpal Joints

Structures Attaching to Bony Features as Origin

• Base of 2nd Metacarpal
  • Adductor Pollicis - Oblique Head
• Head of 2nd Metacarpal
  • Collateral Ligaments of the 2nd MCP - Tubercle and Adjacent Depression on the Metacarpal
• Shaft of 2nd Metacarpal
  • 2nd Palmar Interossei of the Hand - Medial Side

Structures Attaching to Bony Features as Insertion

• Base of 2nd Metacarpal
  • Dorsal Carpometacarpal Ligament
  • Dorsal Metacarpal Ligaments - Posteriorly between the 2nd and 3rd Metacarpal
  • Extensor Carpi Radialis Longus - Posterior Surface
  • Flexor Carpi Radialis - Palmar Surface
  • Palmar Carpometacarpal Ligament
  • Palmar Metacarpal Ligaments - Anteriorly between the 2nd and 3rd Metacarpal