Adjustable Training Machine Ankle Axis Alignment
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Solution Overview
Problem
Conventional training machines do not align their movement axes with anatomical-functional joint axes, leading to suboptimal muscle training and increased risk of sports injuries, as they fail to account for the mechanical properties and biomechanics of the ankle joint during pronation and supination movements.
Innovation Solution
A height-adjustable training machine with a movement axis that aligns with the anatomical-functional joint axis of the ankle, allowing individual adaptation to the anatomy of the user, enabling more effective training by mimicking the natural movement of the ankle joint as an oblique hinge joint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the movement axis is aligned with cardinal axes (vertical, horizontal, transverse), then the device complexity is reduced and manufacturing is easier, but the training effectiveness and anatomical accuracy deteriorate
Solution Approach 1:
The movement axis is made adjustable and adaptable rather than fixed, allowing it to be positioned according to individual anatomical requirements. This dynamic adjustment capability enables the axis to align with the anatomical-functional joint axis of the ankle, improving training effectiveness while maintaining reasonable manufacturing complexity through standardized adjustment mechanisms.
Solution Approach 2:
The orientation and position parameters of the movement axis are made variable to match anatomical-functional joint axes. By changing the axis orientation from fixed cardinal directions to adjustable angles corresponding to ankle joint anatomy, the system achieves both manufacturing feasibility and anatomical accuracy.
2Device complexity
If the movement axis is fixed along cardinal axes, then the device complexity is lower, but the adaptability to individual anatomy deteriorates
Solution Approach 1:
The movement axis incorporates adjustment mechanisms that allow it to be repositioned and reoriented according to individual anatomical variations. This dynamic adaptability enables the same device to accommodate different users' ankle joint axes without requiring completely custom-built equipment for each person.
Solution Approach 2:
The training machine is designed with a universal movement axis that can be adjusted to serve multiple anatomical configurations. This single adaptable axis replaces the need for multiple fixed-axis machines, achieving both simplicity and broad anatomical applicability.
3Ease of manufacture
If conventional cardinal axes are used, then the manufacturing and setup are simpler, but the biomechanical accuracy and injury prevention capability deteriorate
Solution Approach 1:
The movement axis is designed to be adjustable to match the anatomical-functional joint axis of the ankle, ensuring that training forces are applied along the correct biomechanical pathway. This dynamic alignment capability reduces the risk of injury by preventing malalignment stresses while maintaining manufacturing simplicity through standardized adjustment components.
Solution Approach 2:
The orientation parameters of the movement axis are adjusted to correspond with the anatomical-functional joint axis of the ankle joint. By changing the axis orientation from fixed cardinal directions to anatomically-correct angles, the system achieves both ease of manufacture and reduced injury risk.
Data Source
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AI summary
The training machine (1) has a moving axis (4), which corresponds to an anatomic functional articulation of a human joint and or deviates from the axes coordinates. The moving axis is adaptable and adjustable to a respective user. The training machine is provided for the training of a skeletal musculature.