Shoulder Positioning Straps for Massage Table Arm Traction
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Solution Overview
Problem
Standard massage techniques for addressing shoulder tension and misalignment often exacerbate the underlying muscle imbalances by further lengthening the mid/lower traps and rhomboids, failing to effectively release tension in the pectoral muscles on the chest.
Innovation Solution
Attachments for massage tables that apply downward or outward tension to a subject's arms using non-stretchable straps with adjustable lengths, secured to the table and wrist/forearm, and optionally supported by elements that guide the straps for precise positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If standard massage techniques are used to address shoulder tension, then the massage can focus on releasing pectoral muscle tension, but the mid/lower traps and rhomboids are further lengthened, worsening the underlying muscle imbalance
Solution Approach 1:
The device applies preliminary counter-traction force to the subject's arms before massage begins, creating an opposing force that prevents the harmful lengthening effect during massage. The straps attached to the massage table and subject's wrists/forearms establish a pre-tension system that counteracts the downward pull on the shoulders, thereby preventing worsening of the muscle imbalance while allowing the massage to proceed.
2Strength
If the subject's shoulders are positioned in a hunched position for massage, then the massage table can support the subject's body weight, but the mid/lower traps and rhomboids become further lengthened and weakened
Solution Approach 1:
The device creates a counterweight system by attaching straps to the massage table and the subject's arms, generating an upward and outward force that counteracts the downward gravitational pull on the hunched shoulders. This counterbalancing force system allows the subject to remain in the face-down position for proper body support while simultaneously providing the necessary traction to maintain proper shoulder alignment and prevent further lengthening of the mid/lower traps and rhomboids.
3Reliability
If traction is applied to pull the subject's arms downward or outward, then the pectoral muscles can be released without further lengthening the mid/lower traps and rhomboids, but the device complexity increases
Solution Approach 1:
The device achieves multiple functions through a unified strap-based system: the same straps that attach to the massage table also attach to the subject's wrists/forearms, providing both body support and arm traction simultaneously. The adjustable straps can accommodate different subject sizes and positions, and the system can be configured for various massage scenarios, thereby maintaining muscle balance without requiring multiple separate complex devices.
Data Source
AI summary
A device attachable to a massage table and to the wrists or forearms of a subject positioned on the massage table. The device applies tension on the subject's arms to provide improved positioning of the subject during a massage. A system that includes the device and a support element attachable to the massage table and useful to support and position the subject's arms along their sides to apply a downward tension thereon, i.e., toward the subject's feet, or support and angle the subject's arms away from their sides to apply an outward tension thereon. The system may further include the massage table.