Modular Jump Rope With Interchangeable Elastic Members
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Solution Overview
Problem
Conventional jump ropes are limited in their functionality for strength training, variable isotonic exercise, unilateral training, non-dominant side training, and mobility training, and the cordage properties such as length, weight, elasticity, and symmetry are not easily customizable.
Innovation Solution
A training device that combines the features of a jump rope, resistance band, and free weights, featuring separable elastic and inelastic members, allowing for adjustable resistance and length, enabling versatile workout options and tailored fitness goals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional jump ropes are used, then cardiovascular training is achieved, but strength training and variable isotonic exercise capabilities are limited
Solution Approach 1:
The jump rope is divided into separate modular components: handles, elastic members with varying resistance levels, and an intermediate member. This segmentation allows users to mix and match components to create different exercise configurations for strength training, cardiovascular exercise, and variable isotonic training, directly resolving the versatility limitation while maintaining manageable device complexity through standardized connection interfaces
Solution Approach 2:
The training device is designed to perform multiple functions by combining a jump rope structure with resistance band capabilities. The elastic members provide both the swinging motion needed for cardiovascular exercise and the resistance force needed for strength training, allowing a single device to replace multiple specialized equipment pieces
2Adaptability or versatility
If jump rope cordage properties are changed, then workout customization is improved, but device acquisition cost and complexity increase
Solution Approach 1:
The cordage system is segmented into interchangeable elastic members that can be independently selected and replaced. Each elastic member has specific properties (length, weight, elasticity) that can be chosen based on workout goals, allowing customization without requiring complete device replacement. The standardized connection system minimizes the complexity of managing multiple components
Solution Approach 2:
The device allows users to change physical parameters of the cordage (length, elasticity, weight) by selecting different elastic members from the same component family. This enables workout customization through parameter variation rather than acquiring entirely different devices, resolving the contradiction between adaptability and complexity
3Ease of operation
If elastic members have adjustable length and resistance, then strength training effectiveness is improved, but device assembly complexity increases
Solution Approach 1:
The elastic members are designed with dynamic adjustment capabilities, allowing users to modify length and resistance settings during different exercise phases. The connection system enables quick reconfiguration between different resistance levels and lengths without complex assembly procedures, maintaining ease of operation while managing assembly complexity through intuitive design
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device provides a dynamic range of fitness capabilities, allowing users to target specific muscles, improve coordination, and enhance cardiovascular and strength training, with modular components for customizable resistance and feedback, facilitating effective strength and cardiovascular workouts.
Implementation Method 1
The elastic members may be stretched up to 2.5× their neutral length before their stretch limit is reached
Data Source
AI summary
Training devices having at least two elastic members are respectively connected to opposing ends of an inelastic member. The training devices have first and second handles coupled to a respective one of the at least two elastic members. The training devices may be used to add various strength training modalities to a cardiovascular workout or fitness regimen. The training devices may be provided in the form of a kit including elastic and inelastic members having differing elasticities, lengths, and widths and including removable handles, potentially of differing types.