Related Experiment Video
Updated: Feb 5, 2026

09:37
Topical Application Bioassay to Quantify Insecticide Toxicity for Mosquitoes and Fruit Flies
Published on: January 19, 2022
7.1K
Editorial Commentary: Science Bearing Fruit: Can the Inverted Pear Be Quantified?
Summary
Anterior glenoid bone loss significantly increases shoulder instability. Quantifying this bone loss, particularly using 3D CT scans, is crucial for understanding recurrent glenohumeral joint instability.
Area of Science:
- Orthopedics and Sports Medicine
- Radiology
- Biomechanics
Background:
- Anterior glenoid bone loss is a known cause of glenohumeral joint instability.
- Accurate quantification of bone loss is essential for managing recurrent instability.
- Various imaging modalities exist for assessing glenoid bone defects.
Discussion:
- Three-dimensional computed tomography (3D CT) with the perfect circle technique (Pico technique) is a preferred method for quantifying glenoid bone loss.
- Some studies utilize the contralateral (uninvolved) shoulder for comparison, which may introduce inaccuracies.
- Comparing measurements to the contralateral shoulder is recommended but requires careful consideration.
Key Insights:
- Quantifying anterior glenoid bone loss is critical for diagnosing and treating glenohumeral joint instability.
- The Pico technique using 3D CT offers a precise method for bone loss assessment.
- Methodological considerations, such as the use of the uninvolved shoulder, impact the reliability of measurements.
Outlook:
- Further research should standardize the application of 3D CT techniques for glenoid bone loss assessment.
- Developing normative data for glenoid bone dimensions could improve diagnostic accuracy.
- Investigating the clinical correlation between quantified bone loss and instability severity is warranted.
Related Concept Videos
Fruit Development, Structure, and Function
25.3K
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
25.3K
Inverting and Non-inverting OpAmps
1.8K
In an inverting amplifier, the input voltage is connected through a resistor to the inverting terminal. Meanwhile, the non-inverting terminal is grounded and a feedback resistor is established between the inverting and output terminal, as depicted in Figure 1.
1.8K
Psychology as a Science
3.9K
Psychology, as a scientific discipline, aims to understand the mind and behavior through rigorous and systematic methods. The foundation of psychological research is evidence-based, relying heavily on the scientific method to derive and validate knowledge. This structured approach ensures that findings are reliable, valid, and applicable to broader contexts.
The scientific method in psychology involves six critical steps: making observations, formulating hypotheses, conducting tests, analyzing...
The scientific method in psychology involves six critical steps: making observations, formulating hypotheses, conducting tests, analyzing...
3.9K
Collar Bearings
1.7K
Collar bearings are essential in various machines designed to support axial loads on rotating shafts. Depending on the specific application and requirements, they can be found with single or multiple collars.
1.7K
Bearing Stress
2.1K
Bearing stress refers to the contact pressure between two separate bodies. To visualize this, imagine a bolt thrust through a plate. The bolt applies a force to the plate, which exerts an equal but opposite force back onto the bolt. This force isn't just a singular entity but a compilation of numerous smaller forces distributed across the contact surface between the bolt and the plate.
Due to the intricacy of these microforces, an average value, known as bearing stress, is often used by...
Due to the intricacy of these microforces, an average value, known as bearing stress, is often used by...
2.1K
Azimuths and Bearings
660
Azimuths and bearings are essential concepts in surveying, providing methods to express the direction of a line relative to a meridian. Azimuths refer to the clockwise angle measured from the north end of a reference meridian to the given line, ranging from zero to 360 degrees. This method gives a comprehensive directional reference within a full 360-degree circle, making it a straightforward way to communicate direction in various fields, including navigation, cartography, and...
660

