Foot Exercise Device Resilient Member Plantar Fascia
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Solution Overview
Problem
Existing methods for strengthening the muscles associated with the plantar fascia, such as those affected by plantar fasciitis, often require long periods of inactivity or are not targeted effectively, and existing footwear solutions do not adequately provide resistive forces to strengthen the foot muscles.
Innovation Solution
A foot exercise device with a resilient member that provides a resistive force to oppose arching of the foot, featuring an upwardly inclined front portion and customizable inserts to facilitate progressive strengthening of the plantar fascia muscles, allowing users to move between dorsiflexed and plantarflexed positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If footwear solutions are designed to strengthen foot muscles, then the effectiveness of muscle strengthening is improved, but the complexity of the device structure increases
Solution Approach 1:
The device is divided into distinct functional components: a resilient member (elastic band) for providing resistive force, a base with inclined front portion for foot positioning, and optional inserts for customization. This segmentation allows each component to perform its specific function independently, achieving effective muscle strengthening without excessive overall complexity.
Solution Approach 2:
The device serves multiple functions within a simple structure: it provides resistive force for muscle strengthening, positions the foot at an incline for targeted exercise, and can accommodate different inserts for customization. This multi-functionality achieves comprehensive foot strengthening without requiring separate complex systems for each function.
2Force
If a resilient member is added to provide resistive force, then the muscle strengthening effectiveness is improved, but the device complexity increases
Solution Approach 1:
The resilient member's properties (elasticity, resistance level) can be adjusted by selecting different elastic bands with varying stiffness or pre-tension levels. This allows the resistive force parameter to be customized for different user needs and exercise stages without changing the fundamental device structure, maintaining simplicity while providing effective force resistance.
3Force
If the base is made substantially inflexible, then the resistive force is effectively directed to the foot muscles, but the device loses adaptability
Solution Approach 1:
The base is designed with different local properties: the main body is substantially inflexible to ensure effective force transmission to the foot muscles, while the front portion includes an incline for positioning and can accommodate removable inserts for customization. This local differentiation allows the base to simultaneously provide stable force direction and adaptive positioning capabilities.
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 effectively strengthens the muscles associated with the plantar fascia, preventing flattening of the arch and potential injury by providing a controlled resistive force and incline, enabling users to progressively build strength without causing the base to flex.
Implementation Method 1
a resilient member provides a resistive force on the foot as it is moved from an extended position
Data Source
AI summary
A device (10) for exercising a foot (12) has a base (16) onto which the foot (12) to be exercised is located and an upper (18). A number of resilient members (20) are secured to the upper (18) and on moving the foot (12) between an extended position and a retracted position, the resilient members (20) provide a resistive force on the foot (12) which opposes the movement of the foot (12) between the extended and retracted positions.