Portable Exercise Machine with Steel Coil Resistance for Rotator Cuff
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Solution Overview
Problem
Existing exercise machines fail to effectively target and strengthen the rotator cuff muscles, which are prone to injury and degeneration, especially in athletes, leading to shoulder instability and limited movement.
Innovation Solution
A portable exercise machine with a flat board and rotatable arms affixed with a steel coil providing resistance for inward and outward movements, allowing users to strengthen their rotator cuff muscles through adjustable resistance settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing exercise machines are used, then general arm exercise is provided, but rotator cuff muscles are not effectively targeted and strengthened
Solution Approach 1:
The exercise machine is designed with specific local features including a U-shaped cutout for torso positioning and rotatable arms with handles positioned to specifically engage the rotator cuff muscles. The arms can be rotated to different angles and the handles are positioned to allow gripping that isolates the rotator cuff, providing localized exercise effect on this specific muscle group rather than general arm exercise.
2Productivity
If portable exercise machine is designed with adjustable resistance, then exercise effectiveness is improved, but device complexity increases
Solution Approach 1:
The steel coil is removably attached to either an inner connection region or an outer connection region of the flat board, allowing the resistance characteristics to be dynamically changed by simply relocating the coil. This provides adjustable resistance settings for different exercise intensities without requiring complex mechanical adjustment mechanisms, maintaining portability while enabling effective progressive overload training.
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 machine effectively conditions and strengthens hand, wrist, forearm, and rotator cuff muscles by providing controlled resistance, helping to prevent injuries and maintain shoulder stability.
Implementation Method 1
The steel coil provides resistance against the rotation of the distal end of the arms
Data Source
AI summary
A portable exercise machine is provided for rotator cuff exercise. The portable exercise machine includes a flat board having an upper surface and a U-shaped cutout for receiving a torso of a user. A pair of opposing, rotatable arms are affixed to the upper surface of the flat board. The distal end of each arm includes a handle adapted to be grasped by a user and the proximal end of each arm is pivotally coupled to a steel coil. The steel coil provides resistance against the rotation of the distal end of the arms. The steel coil can be removably affixed to an inner connection region or an outer connection region of the flat board. The outer connection region provides resistance for inward movement of the arms and the inner connection region provides resistance for outward movement of the arms.