Related Experiment Video
Updated: Feb 5, 2026
06:49
Automated Gait Analysis in Mice with Chronic Constriction Injury
Published on: October 17, 2017
10.8K
Is There a Pathological Gait Associated With Common Soft Tissue Running Injuries?
Christopher Bramah1, Stephen J Preece1, Niamh Gill1
1School of Health Sciences, University of Salford, Salford, UK.
The American Journal of Sports Medicine
|September 8, 2018
Summary
Common running injuries share similar kinematic patterns, particularly increased contralateral pelvic drop (CPD). This finding suggests CPD is a key biomechanical factor contributing to various running-related injuries.
Area of Science:
- Biomechanics
- Sports Medicine
- Running Injury Research
Background:
- Running injuries are linked to specific lower limb kinematics.
- Research has not extensively explored if common kinematic patterns underlie multiple running injuries.
- Such patterns could indicate global contributors to running injuries.
Purpose of the Study:
- To investigate if similar running kinematic patterns are present across different soft tissue running injuries.
- To identify global kinematic contributors to common running injuries.
Main Methods:
- A controlled laboratory study compared 3D running kinematics of 72 injured runners (4 subgroups) and 36 healthy controls.
- Logistic regression identified kinematic parameters differentiating injured from healthy runners.
Main Results:
- Injured runners exhibited greater contralateral pelvic drop (CPD), forward trunk lean, extended knee, and dorsiflexed ankle at initial contact.
- These kinematic patterns were consistent across all injured subgroups.
- Increased CPD was the strongest predictor of injury, with each 1° increase raising injury odds by 80%.
Conclusions:
- Common running injuries share global kinematic contributors, including increased CPD, trunk lean, knee extension, and ankle dorsiflexion.
- Contralateral pelvic drop is strongly associated with running-related injuries.
- These findings can aid clinicians in assessing biomechanical injury risk factors.
Related Concept Videos
03:24Common Ion Effect
46.9K
Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Châtelier’s principle. Consider the dissolution of silver iodide:
46.9K
01:17Wald-Wolfowitz Runs Test II
554
The Wald-Wolfowitz runs test, commonly referred to as the runs test, is a nonparametric test used to assess the randomness of ordered data. The test evaluates the number of runs, which are consecutive sequences of similar elements within the data. If the number of runs is significantly higher or lower than expected, the data is considered non-random, indicating a detectable pattern or structure.
For binary data, runs are identified using symbols such as + and −, or equivalently, 1s and 0s. In...
For binary data, runs are identified using symbols such as + and −, or equivalently, 1s and 0s. In...
554
01:17Wald-Wolfowitz Runs Test I
963
The Wald-Wolfowitz test, also known as the runs test, is a nonparametric statistical test used to assess the randomness of a sequence of two different types of elements (e.g., positive/negative values, successes/failures). It examines whether the order of the elements in a sequence is random or if there is a pattern or trend present. This nonparametric test applies to any ordered data despite the population and sample data distribution, even if a higher sample size is available.
The test works...
The test works...
963
01:31Common Respiratory Disorders
1.4K
Respiratory disorders, a prevalent health concern globally, are generally divided into two primary categories: upper and lower respiratory tract disorders. The categorization is based on the area of the respiratory system they affect.
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
1.4K
01:19Mass Analyzers: Common Types
1.6K
The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...
1.6K
01:17Common Leveling Mistakes and Errors
482
A survey team is tasked with determining the elevation difference between points Point A and Point B, separated by uneven terrain. They use a leveling instrument and a leveling rod.Common MistakesMisreading the Rod: During a backsight reading at Point A, the instrumentman observes the rod partially obscured by tall grass. Instead of reading 1.135 m, they mistakenly record 1.735 m due to the misalignment of the crosshair with the wrong graduation. This error adds 0.600 m to all subsequent...
482