Ankle Syndesmosis Injury Specialists Claymont DE
First State Orthopaedics PA
Medical School: Boston Univ Sch Of Med, Boston Ma 02118
Graduation Year: 1992
Medical School: Univ Of Va Sch Of Med
Year of Graduation: 1981
Hospital: St Francis Hosp, Wilmington, De
Accepting New Patients: Yes
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3 B Orthopaedics
Medical School: Emory Univ Sch Of Med
Year of Graduation: 1977
Accepting New Patients: Yes
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Ankle Syndesmosis Injuries
A Patient's Guide to Ankle Syndesmosis Injuries
An ankle injury common to athletes is the ankle syndesmosis injury. This type of injury is sometimes called a high ankle sprain because it involves the ligaments above the ankle joint. In an ankle syndesmosis injury, at least one of the ligaments connecting the bottom ends of the tibia and fibula bones (the lower leg bones) is sprained. Recovering from even mild injuries of this type takes at least twice as long as from a typical ankle sprain.
This guide will help you understand
What part of the ankle is involved?
A syndesmosis is a joint where the rough edges of two bones are held together by thick connective ligaments. The connection of the lower leg bones, the tibia and fibula, is a syndesmosis. The tibia is the main bone of the lower leg. The fibula is the small, thin bone that runs down the outer edge of the tibia.
Only a few joints in the body are syndesmosis joints. In addition to the ankle syndesmosis (the connection of the tibia and fibula), syndesmosis joints are also located in the lower spine, where the top of the triangular-shaped sacrum bone fits between the pelvis bones.
Most joints in the body are synovial joints. Synovial joints are enclosed by a ligament capsule and contain a fluid, called synovium, that lubricates the joint. The ankle syndesmosis sits next to the ankle synovial joint, where the tibia meets the talus bone.
The ankle syndesmosis is supported and held together by three main ligaments. The ligament crossing just above the front of the ankle and connecting the tibia to the fibula is called the anterior inferior tibiofibular ligament (AITFL). The posterior fibular ligaments attach across the back of the tibia and fibula. These ligaments include the posterior inferior tibiofibular ligament (PITFL) and the transverse ligament. The interosseous ligament lies between the tibia and fibula. (Interosseous means between bones.) The interosseus ligament is a long sheet of connective tissue that connects the entire length of the tibia and fibula, from the knee to the ankle.
The syndesmosis ligaments hold the bottom ends of the tibia and fibula in place. This arrangement forms the upper surface of the ankle joint. The ankle joint is a hinge joint. The hinge is formed where the tibia and fibula sit above the talus bone. This connection is called a mortise and tenon, a stable connection that woodworkers and craftsmen routinely use to create strong and stable constructions.
Related Document: A Patient's Guide to Ankle Anatomy
Why do I have this problem?
Doctors do not completely understand how syndesmosis injuries occur, though they appear to happen most often when the foot is forced upward and outward. Such injuries frequently happen in high-level football player...