Related Experiment Video
Updated: Sep 17, 2025
10:08
Effects of a Novel Neuromuscular Training Intervention on Jump, Sprint, and Change of Direction in Adult Female Soccer Players
Published on: June 10, 2025
495
The My Jump Lab application is a valid and reliable low-cost alternative to test curved sprint performance
Alberto Fílter1,2, Jesús Olivares-Jabalera1,3, Jose Vicente Beltrán-Garrido4,5
1FSI Lab, Football Science Institute, Granada, Spain.
Sports Biomechanics
|June 30, 2025
Summary
The My Jump Lab smartphone app is a valid and reliable tool for measuring curved sprint performance in soccer. This cost-effective application offers a practical alternative to professional timing systems for sports teams.
Area of Science:
- Sports Science
- Biomechanics
- Athletic Performance Measurement
Background:
- Curved sprinting is crucial for soccer performance.
- Professional timing systems are often inaccessible in resource-limited settings.
- Smartphone applications offer a potential low-cost solution for performance testing.
Purpose of the Study:
- To evaluate the validity and reliability of the My Jump Lab smartphone application.
- To assess its accuracy in measuring curved sprint performance compared to a gold-standard device.
Main Methods:
- The My Jump Lab application was used to measure curved sprint times.
- Correlational, comparative, and Bland-Altman analyses were performed.
- Results were compared against a gold-standard timing system.
Main Results:
- Excellent concurrent validity was found (r = 0.97-0.99, p < 0.001).
- Acceptable reliability was demonstrated (CV < 3%, ICC = 0.88-0.96).
- Small biases and narrow limits of agreement indicate strong agreement.
Conclusions:
- My Jump Lab is a valid and reliable tool for curved sprint testing.
- It provides a cost-effective alternative for applied sports settings.
- The app facilitates accessible performance assessment for soccer players.
Related Concept Videos
01:26Exercise Stress Test
513
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
513
01:12Measuring Acceleration Due to Gravity
699
Consider a coffee mug hanging on a hook in a pantry. If the mug gets knocked, it oscillates back and forth like a pendulum until the oscillations die out.
A simple pendulum can be described as a point mass and a string. Meanwhile, a physical pendulum is any object whose oscillations are similar to a simple pendulum, but cannot be modeled as a point mass on a string because its mass is distributed over a larger area. The behavior of a physical pendulum can be modeled using the principles of...
A simple pendulum can be described as a point mass and a string. Meanwhile, a physical pendulum is any object whose oscillations are similar to a simple pendulum, but cannot be modeled as a point mass on a string because its mass is distributed over a larger area. The behavior of a physical pendulum can be modeled using the principles of...
699
01:27Exercise and Muscle Performance
1.6K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
1.6K
01:12Non-destructive Tests for Concrete Strength
195
The rebound hammer test, also known as the Schmidt hammer test, is a non-destructive technique for evaluating the hardness of concrete and, indirectly, the strength of concrete. It operates on the principle that the rebound of a spring-driven mass from a concrete surface correlates to the surface's hardness. The device comprises a mass within a tubular housing, a spring mechanism, and a plunger that strikes the concrete. Upon release, the energy imparted to the mass by the spring causes it...
195