Ankle Exercise Device with Elastic Resistance Feedback
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Solution Overview
Problem
Ankle injuries often result from weak ankle muscles, and traditional home exercises without supervision can lead to incorrect muscle strengthening due to lack of proper alignment and resistance, defeating the purpose of the exercise regimen.
Innovation Solution
An ankle strengthening device with a frame, adjustable cradle, and elastic member that provides resistance and indicates the correct direction of foot movement to target specific ankle muscles, ensuring proper alignment and muscle engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If patients perform ankle exercises at home without supervision using elastic members and stationary objects, then they can maintain exercise routine and prevent muscle atrophy, but they may perform exercises incorrectly and strengthen wrong muscles
Solution Approach 1:
The device incorporates visual feedback through the alignment of the elastic member with anatomical landmarks (lateral malleolus and fifth metatarsal head) to indicate correct foot movement direction. This immediate visual feedback allows patients to self-correct their exercise technique without therapist supervision, ensuring they are exercising the intended muscles correctly.
Solution Approach 2:
The device introduces an intermediary mechanical system consisting of the adjustable cradle, extension member, and elastic member that mediates between the patient's foot and the stationary anchor. This intermediary system ensures proper force application and movement direction, preventing incorrect muscle engagement while allowing independent home exercise.
2Reliability
If patients rest their ankle to allow healing, then tissue repair can occur, but ankle muscles weaken and atrophy
Solution Approach 1:
The device enables dynamic, controlled ankle movements through resisted exercise while the ankle is in a protected healing state. The adjustable cradle and elastic member provide progressive resistance that allows muscle strengthening without placing excessive stress on healing tissues, enabling simultaneous healing and muscle maintenance.
3Reliability
If physical therapists provide multiple supervised sessions, then exercise technique can be properly monitored and corrected, but treatment becomes time-consuming and expensive
Solution Approach 1:
The device is designed to be self-instructive through its mechanical design, where the alignment of components (cradle, extension member, elastic member) with anatomical landmarks provides inherent guidance for correct exercise technique. Patients can independently set up and perform exercises with proper form without requiring continuous therapist supervision, reducing time and cost while maintaining reliability.
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 allows patients to effectively strengthen specific ankle muscles with minimal supervision, ensuring correct exercise technique and preventing strengthening of incorrect muscles, thus enhancing recovery and preventing further injuries.
Implementation Method 1
An elastic member that may be secured to the extension member and a foot of the patient
Data Source
AI summary
An ankle strengthening exercise device is disclosed. The device is intuitive and simple to use by a patient even without professional medical supervision since the device indicates a specific movement of a foot by pivoting an ankle of the patient. In particular, the device may have an extension member that can be positioned on a frame of the device. The foot of the patient may engage the device. An elastic member may be secured to the extension member and the foot. The direction of the elastic member indicates the direction the foot of the patient should move by pivoting his or her ankle to specifically work or strengthen and exercise a particular ankle muscle of the patient.