2nd Metacarpophalangeal Joint (2nd MCP)

Parent Structures

• Joints of the Hand

Joint Classification

• Condyloid
• Synovial

Joint Actions

• Abduction
  • Innervator
    • C8
    • T1
  • Agonist
    • 1st Dorsal Interossei of the Hand
• Adduction
  • Innervator
    • C8
    • T1
  • Agonist
    • 2nd Palmar Interossei of the Hand
• Extension
  • Innervator
    • C8
    • C7
  • Agonist
    • Extensor Digitorum
    • Extensor Indicis
• Flexion
  • Innervator
    • C8
    • C7
  • Agonist
    • Flexor Digitorum Superficialis
    • Flexor Digitorum Profundus
    • 1st Lumbrical of the Hand
    • 2nd Palmar Interossei of the Hand
    • 1st Dorsal Interossei of the Hand

Bones

• 2nd Metacarpal
• 2nd Proximal Phalanx of the Hand

Articulating Surfaces

• Base of 3rd Distal Phalanx of the Hand
• Head of 2nd Metacarpal

Ligaments

• 1st Deep Transverse Ligament of the MCP
• Collateral Ligaments of the 2nd MCP
• Palmar Ligament of the 2nd MCP