Related Experiment Video
Updated: Mar 15, 2026
02:43
Importance of Jumping Ability in Handball Throwing Speed and Accuracy
Published on: April 4, 2025
1.6K
Differences in take-off leg kinetics between horizontal and vertical single-leg rebound jumps
Yasushi Kariyama1, Hiroaki Hobara2, Koji Zushi1
1a Faculty of Health and Sport Science , University of Tsukuba , Tsukuba , Japan.
Sports Biomechanics
|September 6, 2016
Summary
Horizontal jumps (HJ) require greater hip and trunk torques in the frontal and transverse planes compared to vertical jumps (VJ). This enhanced joint control is crucial for managing impact forces and maintaining posture during single-leg jumping.
Area of Science:
- Biomechanics
- Sports Science
- Kinesiology
Background:
- Single-leg jumps are fundamental movements in many sports.
- Understanding the biomechanical differences between horizontal jump (HJ) and vertical jump (VJ) is essential for performance optimization and injury prevention.
- Previous research has primarily focused on sagittal plane kinetics, with less attention paid to frontal and transverse plane movements.
Purpose of the Study:
- To elucidate the three-dimensional joint kinetic distinctions between the horizontal single-leg rebound jump (HJ) and the vertical single-leg rebound jump (VJ).
- To specifically analyze frontal and transverse plane movements during the take-off leg's kinetics in both jump types.
- To investigate the role of hip and trunk joint torques in controlling pelvic and postural stability during single-leg jumping.
Main Methods:
- Eleven male track and field athletes participated in the study.
- Participants performed both horizontal single-leg rebound jumps (HJ) and vertical single-leg rebound jumps (VJ).
- Three-dimensional kinematic and kinetic data were collected using a motion capture system and force platforms.
Main Results:
- Significantly larger hip abduction torque and trunk lateral flexion torque were observed during HJ compared to VJ.
- Hip external and internal rotation torques, along with trunk rotational torque, were also greater in HJ.
- The powers associated with these torques were elevated in HJ, indicating increased demands for pelvic and postural control.
Conclusions:
- Frontal and transverse plane hip and trunk joint kinetics are critical for single-leg jumping, irrespective of the jump direction.
- Horizontal jumps (HJ) impose greater demands on hip and trunk joint torques in the frontal and transverse planes compared to vertical jumps (VJ).
- These findings suggest that enhanced control of pelvic rotation and posture through hip abduction torque and trunk joint torques plays a more significant role in HJ.
Related Concept Videos
01:26Impact: Problem Solving
491
In an experiment conducted during a Mars mission, a rover propels a projectile with an initial velocity, and the projectile rebounds after colliding with the Martian surface. To ascertain the maximum height attained by the projectile after this collision, the known restitution coefficient and acceleration due to gravity are employed.
By designating the launch point as the origin and utilizing kinematic equations, the vertical component of the projectile's velocity at the point of impact is...
By designating the launch point as the origin and utilizing kinematic equations, the vertical component of the projectile's velocity at the point of impact is...
491
01:23Motion of a Projectile
3.5K
Projectile motion becomes evident when a player kicks the ball into the air. The launch angle, or the angle at which the ball is kicked, plays a crucial role in determining the trajectory of the projectile. As the ball soars through the air, influenced solely by gravity, its motion can be dissected into two independent velocity components: the horizontal and the vertical.
Horizontal motion, governed by the initial kick, maintains a constant velocity throughout the flight of the soccer ball.
Horizontal motion, governed by the initial kick, maintains a constant velocity throughout the flight of the soccer ball.
3.5K
01:29Hydraulic Jump
792
A hydraulic jump is a sudden rise in fluid depth in open channels, occurring when high-velocity (supercritical) flow transitions to low-velocity (subcritical) flow. This phenomenon requires an upstream Froude number greater than 1, as flows with Fr1<1 remain subcritical, making a hydraulic jump impossible due to the need for negative head loss, which violates thermodynamic principles.The characteristics of a hydraulic jump depend on the upstream Froude number and are classified as...
792
01:20Projectile Motion
32.4K
An object thrown in the air follows a parabolic path under the influence of Earth's gravitational force. The motion of such an object is called projectile motion, and the object itself a projectile. The parabolic path followed by the projectile is called the trajectory. Some common examples of projectile motion are the launching of fireworks, a golf ball in the air, meteors entering the Earth's atmosphere, and the firing of bullets.
When an object falls under gravity and has no...
When an object falls under gravity and has no...
32.4K
01:10Energy Diagrams - II
14.1K
Energy diagrams are important to understand the dynamics of a system. The topology of an energy diagram helps illustrate the equilibrium points of the system.
The point in the energy diagram at which the system’s potential energy is the lowest is known as the local minima. The system tends to stay in this position indefinitely unless acted upon by a net force. The slope of the potential energy diagram at the local minima is zero, indicating that zero net force is acting on the system. The...
The point in the energy diagram at which the system’s potential energy is the lowest is known as the local minima. The system tends to stay in this position indefinitely unless acted upon by a net force. The slope of the potential energy diagram at the local minima is zero, indicating that zero net force is acting on the system. The...
14.1K
01:14Energy Diagrams - I
5.8K
The dynamics of a mechanical system can be easily understood by interpreting a potential energy diagram. Since energy is a scalar quantity, the interpretation of the dynamics of the system becomes even simpler.
Take the example of a skater on a parabolic ramp. The potential energy at different points along the ramp will be proportional to the height of the ramp, which varies quadratically with the horizontal position on the ramp. As the skater moves down the ramp from the highest position,...
Take the example of a skater on a parabolic ramp. The potential energy at different points along the ramp will be proportional to the height of the ramp, which varies quadratically with the horizontal position on the ramp. As the skater moves down the ramp from the highest position,...
5.8K