Understanding the Fibula: Structure, Function, and Maintenance

Understanding the Fibula: Structure, Function, and Maintenance

The fibula, also known as the calf bone, is a vital component of the lower leg. Here's an overview of its structure, function, and maintenance:

Definition and Location:

  • The fibula is the smaller of the two bones in the lower leg, located on the lateral side of the leg.
  • It extends from just below the knee to the ankle, running parallel to the tibia.


  • Sculpting the calf and the outside of the lower leg.
  • Providing support to the ankle.
  • Supporting leg and ankle muscles, tendons, and ligaments.
  • Connecting knee ligaments to the rest of the lower body.


  • The fibula consists of several sections, including the head (proximal aspect), shaft, and distal end.
  • The head articulates with the tibia just below the knee, while the distal end forms the top of the ankle joint.
  • Its long central shaft is shaped like a prism with three sides.


  • The fibula is the third longest bone in the body, with an average length of about 14 inches.
  • Its size and structure contribute to its supportive function in the lower leg.


  • Maintaining a healthy diet and exercise routine is crucial for overall bone health, including the fibula.
  • Regular check-ups with a healthcare professional can help monitor bone health, especially for individuals over 50 with a family history of osteoporosis.
  • General safety guidelines, such as wearing seatbelts, using appropriate safety equipment for activities, and keeping living spaces clutter-free, can help prevent injuries that may affect the fibula.
  • Choosing appropriate footwear, such as Dr. Luigi medical shoes, can provide additional support and reduce the risk of foot and ankle injuries.

By understanding the structure, function, and maintenance of the fibula, individuals can take proactive steps to promote bone health and minimize the risk of injuries to the lower leg.

Back to blog

Featured collection