Nested Glider Exercise Apparatus for Targeted Muscle Engagement
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Solution Overview
Problem
Existing exercise apparatuses do not effectively promote Long Strength Development (LSD) by maximizing the engagement of non-primary muscles, leading to inadequate development of secondary muscles and potential muscle compensation.
Innovation Solution
An exercise apparatus with a frame that includes pivotally mounted outer and inner gliders, a weight rack, and a cable and pulley system that allows for independent positional adjustment of the gliders and varying resistance levels, enabling effective engagement of both primary and secondary muscles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional exercise apparatuses are used, then the structure is simple, but the engagement of non-primary muscles is insufficient
Solution Approach 1:
The apparatus is divided into multiple independent glider components (at least three gliders: first, second, and third gliders) that can move independently along separate tracks. Each glider can be controlled separately to target different muscle groups, allowing selective engagement of primary and secondary muscles without requiring the entire apparatus to move as one unit.
Solution Approach 2:
The gliders are arranged in a nested configuration where the first and second gliders move along an outer track while the third glider moves along an inner track. This nested arrangement allows multiple gliders to occupy the same spatial envelope, increasing muscle engagement capability without proportionally increasing the apparatus footprint or structural complexity.
2Adaptability or versatility
If multiple gliders are added to engage more muscle groups, then the muscle engagement capability improves, but the apparatus complexity increases
Solution Approach 1:
Multiple gliders share common structural elements including the track system, frame structure, and resistance mechanisms. Each glider can perform similar exercise functions (pushing, pulling, rotating) but targets different muscle groups, allowing the apparatus to provide multiple exercise modalities without requiring completely separate mechanisms for each glider.
Solution Approach 2:
The apparatus combines multiple gliders, tracks, and resistance systems into a single integrated frame structure. The gliders are connected to common resistance elements and share the structural support framework, reducing the overall component count compared to having separate exercise machines for each muscle group.
3Adaptability or versatility
If independent glider movement is allowed, then the resistance variation capability improves, but the control complexity increases
Solution Approach 1:
The gliders are designed with dynamic resistance mechanisms that automatically adjust resistance based on the position and movement speed of each glider. The resistance elements (such as springs, weights, or magnetic systems) provide variable resistance that increases with the effort required, eliminating the need for manual resistance adjustment while maintaining ease of operation.
Solution Approach 2:
Each glider is equipped with self-regulating resistance mechanisms that automatically provide appropriate resistance levels based on the exerciser's input force. The system monitors and adjusts resistance in real-time without requiring external control inputs, allowing independent glider movement while maintaining simple operation through automatic resistance adaptation.
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 apparatus effectively promotes Long Strength Development by allowing exercisers to vary resistance and engage multiple muscle groups, reducing muscle compensation and enhancing overall strength development.
Implementation Method 1
at least one cable and pulley system may connect the weight plates of the weight rack to the outer gliders and the inner gliders
Implementation Method 2
The cable and pulley system may include a weight resistance cable and pulley system which connects the weight plates to a first one of the inner gliders and the outer gliders
Implementation Method 3
a weight resistance cable and pulley system which connects the weight plates to a first one of the inner gliders and the outer gliders
Data Source
AI summary
An exercise apparatus suitable for promoting Long Strength Development (LSD) in an exerciser may include an apparatus frame. At least one pair of left and right outer gliders and at least one pair of left and right inner gliders may be pivotally mounted on the apparatus frame, the inner gliders arranged inside the outer gliders. The outer gliders and the inner gliders may be independently positional between an outwardly extended position and an inwardly retracted position. A weight rack may be provided on the apparatus frame and may be connected to the outer gliders and the inner gliders through a cable and pulley system. The weight rack may be selectively connectable to the inner and outer gliders.