4th Middle Phalanx of the Hand

Parent Structures

• Phalanges

Bone Classification

• Long

Bony Features

• Base of 4th Middle Phalanx of the Hand
• Head of 4th Middle Phalanx of the Hand
• Shaft of 4th Middle Phalanx of the Hand

Attaching Structures as Origin

• Palmar Ligament of the DIP of the 4th Phalanx of the Hand - Attached to the Neck by the Joint Capsule

Associated Joints

• DIP of the 4th Phalanx of the Hand
• PIP of the 4th Phalanx of the Hand

Structures Attaching to Bony Features as Origin

• Head of 4th Middle Phalanx of the Hand
  • Collateral Ligament of the DIP of the 4th Phalanx of the Hand

Structures Attaching to Bony Features as Insertion

• Base of 4th Middle Phalanx of the Hand
  • Collateral Ligament of the PIP of the 4th Phalanx of the Hand - Blends with the Margins of the Palmar Ligament
  • Extensor Digitorum - Dorsal Aspect
  • Flexor Digitorum Superficialis - Palmar Surface
  • Palmar Ligament of the PIP of the 4th Phalanx of the Hand - Anterior Margin