Anatomical Features of Individual Bones in the Upper Limb
Phalanges – Types, Functions, and Common Injuries
Phalanges are small but crucial bones in the fingers, enabling dexterity and movement. They consist of proximal, middle, and distal segments, each serving a unique function. Common injuries include fractures, dislocations, and sprains, which require appropriate treatment.
Anatomical Features of Individual Bones in the Upper Limb
Phalanges – Types, Functions, and Common Injuries
The phalanges are the small bones that make up the fingers and toes. They play a crucial role in hand dexterity and foot movement. Each finger has three phalanges—proximal, middle, and distal—except the thumb, which has only two.
Types of Phalanges
- Proximal Phalanges: Located nearest to the metacarpals and serve as the base of each digit.
- Middle Phalanges: Found in fingers (except the thumb) and act as a bridge between proximal and distal phalanges.
- Distal Phalanges: The tip bones, crucial for tactile sensation and grip.
Functions of Phalanges
These small yet vital bones allow grasping, manipulation of objects, and precise movements required for activities such as typing, writing, and playing musical instruments.
Common Injuries
- Fractures: Due to direct trauma or repetitive stress.
- Dislocations: Often caused by sudden force or twisting.
- Sprains: Involves damage to ligaments supporting the phalanges.
Treatment & Prevention
Managing phalangeal injuries includes immobilization, physical therapy, and in severe cases, surgical intervention. Protecting hands during physical activities reduces risk.
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