Dual Balance Exercise Apparatus with Independent Cable Linkages
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Solution Overview
Problem
Conventional exercise machines do not address muscle imbalances between limbs, limiting the development of functional strength and failing to provide adequate biofeedback for balanced bilateral training, which is crucial for injury prevention and rehabilitation.
Innovation Solution
A dual balance exercise assembly with independent cable and pulley linkage systems and a biofeedback system that provides real-time visual feedback, allowing users to dynamically adjust their effort and balance during bilateral exercises, thereby promoting balanced strength and neuromuscular coordination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional exercise machines use fixed motion guide rods or movement arms, then the exercise motion is predetermined and linear, but the development of functional strength is limited and no balance correction is provided
Solution Approach 1:
The exercise machine is divided into independent cable systems for each limb, allowing each side to be controlled and measured separately. This segmentation enables individual limb strength assessment and balanced bilateral training, directly addressing the limitation of fixed motion systems that cannot provide balance correction.
Solution Approach 2:
The system incorporates force sensors and a control unit that provide real-time feedback to the user about strength imbalances between limbs. This feedback mechanism enables users to adjust their effort dynamically during exercise, promoting functional strength development and correcting muscle imbalances.
2Device complexity
If conventional exercise machines use a single load for bilateral exercise, then the equipment is simple, but it cannot determine how much each limb is contributing to the overall effort
Solution Approach 1:
The single load system is segmented into independent cable systems with individual force sensors for each limb. This allows the machine to maintain simplicity in load structure while gaining the capability to measure and provide feedback on individual limb contribution through separate sensing elements.
Solution Approach 2:
Force sensors act as intermediaries between the mechanical load and the control unit, enabling measurement of individual limb effort without complicating the basic load structure. The sensors translate mechanical force into measurable signals that can be processed and displayed to users.
3Device complexity
If conventional exercise machines do not provide balance correction, then the machine structure is simple, but muscular imbalance between limbs is not addressed
Solution Approach 1:
The control unit receives data from force sensors on both sides and provides real-time feedback to the user about strength imbalances. This feedback enables users to consciously adjust their effort to achieve balanced bilateral training, directly addressing muscle imbalance issues without requiring complex mechanical balance correction mechanisms.
Solution Approach 2:
The system allows dynamic adjustment of exercise parameters such as resistance levels and motion ranges based on detected strength imbalances. This enables the machine to adapt to individual user needs and promote balanced muscle development through customized training parameters rather than fixed mechanical constraints.
4Ease of operation
If conventional exercise machines use linear guided motion, then the exercise path is fixed and easy to control, but the human body's integrated and balanced team effort is not replicated
Solution Approach 1:
The system transitions from fixed linear motion to dynamic, adaptable motion paths that can adjust to each user's biomechanics and strength characteristics. The cable systems allow for natural movement variations while maintaining resistance, enabling exercise paths that replicate the body's integrated and balanced team effort during functional activities.
Data Source
AI summary
A resistance exercise machine having cable and pulley linkage assemblies attached to a single weight stack or other resistance means. Each cable and pulley linkage assembly, which is independent of the other(s), can be used by one arm or leg during bilateral exercise training (that is, training in which both limbs of a pair are used to simultaneously to lift a weight or work against various resistance means). A biofeedback assembly measures and displays in real-time how much each limb of a pair is contributing to such effort.