5th Metacarpophalangeal Joint (5th MCP)

Parent Structures

• Joints of the Hand

Joint Classification

• Condyloid
• Synovial

Joint Actions

• Abduction
  • Innervator
    • C8
    • T1
  • Agonist
    • Abductor Digiti Minimi
• Adduction
  • Innervator
    • C8
    • T1
  • Agonist
    • 4th Palmar Interossei of the Hand
• Extension
  • Innervator
    • C8
    • C7
  • Agonist
    • Extensor Digitorum
    • Extensor Digiti Minimi
• Flexion
  • Innervator
    • C8
    • C7
  • Agonist
    • Flexor Digitorum Superficialis
    • Flexor Digitorum Profundus
    • Flexor Digiti Minimi Brevis
    • 4th Lumbrical of the Hand
    • 4th Palmar Interossei of the Hand

Bones

• 5th Metacarpal
• 5th Proximal Phalanx of the Hand

Articulating Surfaces

• Base of 5th Proximal Phalanx of the Hand
• Head of 5th Metacarpal

Ligaments

• 3rd Deep Transverse Ligament of the MCP
• Collateral Ligaments of the 5th MCP
• Palmar Ligament of the 5th MCP