Adjustable Weightlifting Bench with Gliding Rails for Core Engagement
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Solution Overview
Problem
Conventional weightlifting benches fail to adequately engage the core muscles and limit range of motion due to their fixed width and lack of adjustability, particularly in footrests, which do not accommodate users of different heights or varying exercise needs.
Innovation Solution
The weightlifting bench features adjustable gliding rails, vertical plates, and roller holders with interchangeable rollers, allowing for customizable incline, decline, and footrest positioning, along with adjustable vertical and horizontal placement of rollers, to enhance core engagement and accommodate various user heights and exercises.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the bench is made wide and flat for stability, then the participant's core muscles are less engaged and range of motion is limited, but structural stability is improved
Solution Approach 1:
The bench incorporates adjustable components including an adjustable backrest with multiple angle positions, an adjustable seat position, and an adjustable footrest with height and angle adjustments. These dynamic elements allow the bench to adapt to different user needs and exercise requirements, resolving the contradiction between structural stability and adaptability for core engagement.
Solution Approach 2:
The bench allows modification of key parameters such as backrest angle, seat position, footrest height and angle. By changing these parameters, the bench can optimize both structural stability and the participant's range of motion and core engagement for different exercise variations.
2Device complexity
If the footrest is made fixed for simplicity, then device complexity is reduced, but adaptability for users of different heights and exercises is worsened
Solution Approach 1:
The footrest is designed with adjustment mechanisms that allow it to be positioned at multiple heights and angles. This dynamic capability enables the footrest to accommodate users of different heights and support various exercise variations, resolving the contradiction between structural simplicity and adaptability.
Solution Approach 2:
The adjustable footrest serves multiple functions by accommodating different user heights, supporting various exercise types (incline, decline, flat bench press), and adapting to different user preferences. This multi-functionality resolves the contradiction between keeping the structure relatively simple and achieving high adaptability.
3Device complexity
If the bench orientation is made fixed for simplicity, then device complexity is reduced, but adaptability for different exercises is worsened
Solution Approach 1:
The bench incorporates adjustable backrest and seat components that enable multiple orientations (incline, decline, flat). These adjustable elements allow the same bench structure to support various exercise variations without requiring multiple separate benches, resolving the contradiction between device complexity and adaptability.
Data Source
AI summary
A weightlifting bench comprising two adjustable arms that translate across a pair of horizontal rails. The adjustable arms each attaching to a corresponding cushion holder. Each cushion holder containing a stiff, textured, round cushion intended to isolate and challenge the core musculature and strengthen core and back supportive structures to promote proper spine health and alignment.