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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...

Decision Making: P-value Method

Decision Making: P-value Method

The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...

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Updated: Dec 11, 2025

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

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Calculated decisions: Ottawa ankle rule.

¹Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, CA.

Emergency Medicine Practice

|August 18, 2020

Summary

This summary is machine-generated.

The Ottawa ankle rule guides healthcare providers on which ankle and foot areas to examine in trauma patients. This helps decide if X-rays are necessary, improving diagnostic efficiency.

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Area of Science:

Orthopedics
Emergency Medicine
Radiology

Background:

Ankle injuries are common in trauma cases.
Diagnostic imaging decisions for ankle trauma require clear guidelines.
The Ottawa ankle rule was developed to standardize imaging decisions.

Purpose of the Study:

To outline the specific anatomical landmarks evaluated by the Ottawa ankle rule.
To explain the role of the Ottawa ankle rule in determining the necessity of imaging for ankle trauma.

Main Methods:

The Ottawa ankle rule identifies specific points of tenderness on the malleoli and foot.
Clinical evaluation involves palpating these defined areas in patients with ankle trauma.

Main Results:

Tenderness in specific areas of the ankle and foot indicates a higher likelihood of fracture.
The rule provides a clear pathway to decide on the need for radiography.

Conclusions:

The Ottawa ankle rule is an effective clinical decision tool for ankle trauma.
It aids in judicious use of imaging, reducing unnecessary X-rays.