Table of Contents
Where is the mortise in the ankle?
The ankle mortise is the “hinge” that connects the ends of the tibia and fibula to the talus.
What is ankle mortise widening?
Widening of the ankle mortise that causes syndesmosis injury can also be the result of excessive or severe dorsiflexion. Normally, dorsiflexion causes the interosseous ligament to become taut.
What is disruption of ankle mortise?
When the mortise is disrupted by a fracture, the talus is free to move more than it should. This abnormal motion leads to focal pressure points which can be damaging.
What is congruent ankle mortise?
The ankle joint is the most congruent joint of the human body. Stability is provided by the bony configuration of the ankle mortise and the talar dome and by the ankle ligaments. During ankle motions, rotation and translation around and along the movement axes occur.
What is the purpose of mortise view?
The mortise view is key to assessing the structural integrity of the ankle. The entire mortise joint space adjacent to the talar dome should be of uniform width.
What is the ankle mortise composed of?
The ankle joint is a hinged synovial joint that is formed by the articulation of the talus, tibia, and fibula bones. Together, the three borders (listed below) form the ankle mortise. The superior portion of the ankle joint forms from the inferior articular surface of the tibia and the superior margin of the talus.
What is another name for the ankle mortise?
Synonyms: AP mortice view of ankle.
What is a mortise joint anatomy?
1. mortise joint – a gliding joint between the distal ends of the tibia and fibula and the proximal end of the talus. ankle, ankle joint, articulatio talocruralis. anklebone, astragal, astragalus, talus – the bone in the ankle that articulates with the leg bones to form the ankle joint.
What forms the ankle mortise joint?
The tibia and fibula form the so-called “ankle mortise” which consists of the medial and lateral malleoli. In the distal end of the ankle mortise sits the trochlea tali, the upper surface of the talus .
What does mortise and tenon mean?
A mortise and tenon is a type of joint that is made up of two parts. The tenon portion of the joint works as a peg, and the mortis is the hole or slot into which the tenon is inserted. The pieces are then glued together during assembly. A mortise and tenon is a popular type of joint that is used to connect two pieces of wood.
What does mortise joint mean?
• MORTISE JOINT (noun) The noun MORTISE JOINT has 2 senses: 1. a gliding joint between the distal ends of the tibia and fibula and the proximal end of the talus. 2. a joint made by inserting tenon on one piece into mortise holes in the other.
What is a mortise and tenon jig?
A mortise and tenon jig is an apparatus used to guide a cutting tool when making a mortise and tenon joint. When cutting such a joint, the mortise and tenon jig is used to steady the tool being used, and to guide the tool so that a straight cut can be made in accordance with the cuts necessary to complete the joint.