Related Experiment Video
Updated: Feb 12, 2026
10:06
Protocols for Quantifying Transferable Pesticide Residues in Turfgrass Systems
Published on: March 15, 2017
7.7K
Does variability within natural turfgrass sports fields influence ground-derived injuries?
Chase M Straw1,2, Christine O Samson3, Gerald M Henry1
1a Department of Crop and Soil Sciences , University of Georgia , Athens , GA , USA.
European Journal of Sport Science
|April 5, 2018
Summary
Variations in natural turfgrass sports fields are linked to athlete injuries. Poor turfgrass quality and high soil moisture areas showed significantly more injuries, especially at transition zones.
Area of Science:
- Sports Science
- Environmental Science
- Biomechanics
Background:
- Natural turfgrass sports fields have inherent variations affecting playability.
- These variations can lead to unpredictable surfaces, forcing athletes to adjust, potentially increasing injury risk.
- Understanding these variations is crucial for athlete safety.
Purpose of the Study:
- To introduce a novel methodology for assessing the relationship between within-field variations and ground-derived athlete injuries.
- To investigate if specific turfgrass properties correlate with injury occurrence on sports fields.
Main Methods:
- Collegiate athletes self-reported ground-derived injuries over two years.
- Quantified soil moisture, turfgrass quality, surface hardness, and shear strength on home fields.
- Utilized hot spot analysis to identify field variations and compared injury locations to these zones.
Main Results:
- Twenty-three ground-derived injuries were reported.
- Injury proportions were significantly higher in turfgrass quality cold spots and soil moisture hot spots than expected.
- Injuries often occurred at the edges of identified high and low value zones.
Conclusions:
- A potential relationship exists between within-field turfgrass variations and ground-derived athlete injuries.
- Transition areas between varying field conditions may pose a higher injury risk.
- The proposed methodology can be used for future validation and injury reduction strategies.
Related Concept Videos
01:10Nature and Nurture
22.4K
Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience,...
22.4K
01:12Taping Over Different Ground Profiles
405
Taping over varying ground profiles requires careful adaptation to achieve accurate measurements. On smooth, level ground with minimal vegetation, the tape can rest directly on the ground. Here, the taping team, typically consisting of a head and a rear tapeman, coordinates their positions with clear communication. The rear tapeman holds the tape at the starting point and guides the head tapeman toward a range pole placed beyond the endpoint, using hand or voice signals to ensure alignment.On...
405
01:32What is Natural Selection?
129.8K
Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
129.8K
01:11Variability: Analysis
527
Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
The range is a simple measure of variability, indicating the difference between the highest and...
The range is a simple measure of variability, indicating the difference between the highest and...
527
01:09Random Variables
17.9K
A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
17.9K
01:30Graphs of Equations in Two Variables
270
An equation with two variables, typically written in the form y = f(x) or Ax + By = C, describes a relationship between quantities represented by x and y. Each solution to such an equation is an ordered pair (x, y) that satisfies the equation when substituted. These pairs can be represented graphically to understand the variables' relationship visually.A common technique for constructing the graph of a two-variable equation is to create a value table. Begin by choosing several values for the...
270