Instability Mace and Long Bar With Swinging Chain Weights
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Solution Overview
Problem
Conventional exercise devices primarily provide static resistance, failing to effectively engage stabilizer muscles and offer limited adjustability and portability.
Innovation Solution
A variable weight instability exercise device with a mace and long bar configuration, featuring rotational connectors and flexible chains to suspend weights, allowing for dynamic instability and customizable resistance through adjustable chain lengths and weight masses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional exercise devices use static mass for resistance, then the device structure is simple, but stabilizer muscles are not effectively engaged
Solution Approach 1:
The patent applies the dynamics principle by transitioning from static weight resistance to dynamic swinging weight resistance. The weight is suspended from a chain that allows it to swing freely during exercise, creating dynamic instability that actively engages stabilizer muscles. This dynamic configuration transforms the exercise from static loading to dynamic control, requiring continuous muscular adjustment to maintain stability.
2Ease of operation
If prior inventions use specialized mounting systems for swinging weights, then dynamic instability is achieved, but the device becomes cumbersome and less portable
Solution Approach 1:
The patent extracts the swinging weight mechanism from complex specialized mounting systems and integrates it into a simple, portable handheld device. The weight is attached via a chain to a handheld bar, eliminating the need for elaborate mounting infrastructure. This extraction allows the device to be easily stored, transported, and used without requiring specialized equipment or space.
Solution Approach 2:
The device employs self-service principles through the free-swinging weight configuration that automatically provides instability without requiring external support structures. The chain and weight assembly self-generates the dynamic resistance through its own motion, eliminating the need for external mounting systems or additional equipment. The device serves itself by using the weight's natural swinging motion to create the training effect.
3Adaptability or versatility
If fixed-weight training tools are used, then the device is simple and portable, but adjustability in resistance and weight placement is limited
Solution Approach 1:
The patent applies parameter changes by allowing modification of the weight mass and chain length to adjust resistance and instability levels. Users can change the weight parameter to vary resistance and change the chain length parameter to adjust the swinging characteristics. This parameter variability provides extensive adjustability while maintaining a relatively simple device structure, as the adjustments are made through parameter changes rather than complex reconfiguration.
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
Engages stabilizer muscles and enhances neuromuscular control by introducing dynamic instability, suitable for various fitness levels and exercises, with easy weight adjustment and portability.
Implementation Method 1
a flexible connector suspends at least one weight from the rotational connector, wherein the weight is free to swing
Implementation Method 2
introducing dynamic instability that engages the user's stabilizing muscles
Data Source
AI summary
A variable weight instability mace and long bar exercise device includes a hand-held shaft with one or more rotational connectors, each suspending a weight via a flexible connector such as a chain. The suspended weights swing freely during exercise, creating instability that activates core and stabilizer muscles. The mace includes a single connection point; the long bar includes two, one on each end. The shaft may include grip markings and support various weight types, including plates and lightweight elements such as drilled hockey pucks. The degree of instability is adjustable by changing the chain length or weight. The devices are suitable for users of all fitness levels, including youth athletes.