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Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

Muscles of the Leg that Move the Foot and Toes

Muscles of the Leg that Move the Foot and Toes

The human leg comprises an intricate system of muscles that facilitate the movement of feet and toes. Within this system, the muscles are categorized into the anterior, lateral, and posterior compartments, each with a unique set of muscles carrying out specific functions.
Anterior Compartment
The anterior compartment includes muscles that contribute to the dorsiflexion of the foot. This compartment houses the tibialis anterior, extensor hallucis longus, and extensor digitorum longus muscles.

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A Passive Ankle Dorsiflexion Testing System for an In Vivo Model of Overuse-induced Tendinopathy

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Extensor tendoscopy of the ankle.

¹Department of Orthopaedics and Traumatology, North District Hospital, 9 Po Kin Road, Sheung Shui, NT, Hong Kong, China. luithderek@yahoo.co.uk

Foot and Ankle Surgery : Official Journal of the European Society of Foot and Ankle Surgeons

|February 1, 2011

Summary

This summary is machine-generated.

The extensor digitorum longus (EDL) muscle and its tendons are stabilized by retinacula, which also aid subtalar joint stability. Extensor tendoscopy in three patients showed no neural injury.

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Area of Science:

Anatomy
Orthopedics
Surgical Procedures

Background:

The extensor digitorum longus (EDL) muscle originates from the fibula and tibia.
Its four tendons are crucial for foot and toe extension.
These tendons are supported by the superior and inferior extensor retinacula.

Observation:

The extensor retinacula prevent bowstringing of the EDL and extensor hallucis longus (EHL) tendons.
The inferior extensor retinaculum plays a role in subtalar joint stability.
Extensor tendoscopy was performed in three patients.

Findings:

No neural injury was observed during extensor tendoscopy.
The anatomical descriptions of the EDL muscle and its retinacular restraints are confirmed.

Implications:

Understanding the anatomy of the extensor retinacula is vital for preventing tendon injuries.
Extensor tendoscopy appears to be a safe procedure with no immediate neural complications.
Further research can explore the biomechanical role of retinacula in foot and ankle function.