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Related Experiment Video

Updated: Feb 12, 2026

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Published on: June 8, 2017

Does trampoline or hard surface jumping influence lower extremity alignment?

Kiyokazu Akasaka^1,2, Akihiro Tamura^1,3, Aoi Katsuta⁴

¹Saitama Medical University Graduate School of Medicine: 981 Kawakado, Moroyama, Iruma-gun, Saitama 350-0496, Japan.

Journal of Physical Therapy Science

|April 13, 2018

Summary

This summary is machine-generated.

Repetitive jumping on a trampoline or hard surface impacts lower extremity biomechanics differently. Trampoline jumping increases hip adduction and knee extensor moments, while hard surface jumping affects ankle dorsiflexion.

Keywords:

Drop vertical jump Repetitive jump landing Trampoline

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Area of Science:

Biomechanics
Sports Science
Exercise Physiology

Background:

Understanding the biomechanical effects of different jumping surfaces is crucial for injury prevention and performance optimization in athletes.
Repetitive jumping can alter lower extremity kinematics and kinetics, potentially leading to altered joint loading and increased injury risk.

Purpose of the Study:

To investigate the effects of repetitive trampoline jumping versus hard surface jumping on lower extremity alignment during jump landings.
To compare the kinetic and kinematic adaptations following repeated jumping on two distinct surfaces.

Main Methods:

Twenty healthy female participants performed drop vertical jumps before and after maximal effort jumping sessions on either a trampoline or a hard surface.
A 3D motion analysis system and force plates were utilized to capture lower extremity joint angles, moments, and vertical ground reaction forces.

Main Results:

Trampoline jumping resulted in a greater knee extensor moment compared to hard surface jumping.
While vertical ground reaction force and overall joint angles showed no significant inter-trial differences, repeated trampoline jumping increased peak vertical ground reaction force, hip extensor and knee extensor moments, and hip adduction, while decreasing hip flexion.
Conversely, repeated hard surface jumping elevated peak vertical ground reaction force, ankle dorsiflexion angle, and hip extensor moment.

Conclusions:

Repetitive jumping on a trampoline elicits distinct lower limb kinetic and kinematic responses compared to jumping on a hard surface.
These findings highlight the differential impact of jumping surfaces on biomechanics, which can inform the development of targeted exercise programs for various clinical conditions and athletic training.