Articulated Grappling Dummy with Segmented Limbs for Combat Training
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Solution Overview
Problem
Current grappling dummies lack the anatomical accuracy and versatility needed for effective martial arts training, particularly in mixed martial arts and Brazilian jiu-jitsu, as they do not accurately simulate human positions and movements, limiting the effectiveness of training exercises.
Innovation Solution
A grappling dummy with a human-like shape and internal frame, featuring adjustable angles and padding, designed to mimic various combat positions, including guard, half-guard, side control, and choke holds, and equipped with a cloth jacket assembly to simulate a martial arts uniform, allowing for realistic training scenarios.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional grappling dummies are used, then they are simple in structure and easy to manufacture, but they lack anatomical accuracy and versatility for effective martial arts training
Solution Approach 1:
The grappling dummy is divided into multiple articulated segments including a trunk, head, arms with proximal and distal segments, and legs with proximal and distal segments. Each segment can be independently positioned and secured, allowing for anatomically accurate representations of various combat positions while maintaining manageable manufacturing complexity through modular construction.
Solution Approach 2:
The dummy incorporates adjustable and repositionable segments that can be secured at multiple angles and positions using straps, Velcro® closures, and adjustable mechanisms. This dynamic capability allows the dummy to transition between different anatomically correct positions (guard, half-guard, side control, etc.) while maintaining structural integrity, resolving the contradiction between accuracy and complexity.
2Adaptability or versatility
If a rigid fixed-position dummy is used, then it is simple to manufacture, but it cannot simulate various combat positions and movements
Solution Approach 1:
The dummy features dynamically adjustable segments that can be repositioned to simulate various combat positions. The proximal and distal segments of arms and legs, along with the head and trunk, can be independently positioned and secured, enabling the dummy to represent multiple anatomically correct configurations without requiring multiple separate dummy units.
Solution Approach 2:
The articulated design with multiple adjustable segments allows a single dummy to serve multiple training functions for different combat positions (guard, half-guard, side control, choke holds, etc.). This multi-functionality achieves position versatility while avoiding the manufacturing complexity of producing multiple specialized dummy variants.
3Reliability
If anatomically correct positions are implemented, then training effectiveness is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
By segmenting the dummy into anatomically relevant sections (trunk, head, articulated arms and legs with proximal and distal segments), the design achieves training effectiveness through proper positional representation. Each segment can be independently adjusted to match human anatomy in various combat positions, while the modular nature keeps manufacturing complexity manageable.
Solution Approach 2:
The dummy employs adjustable parameters including angle adjustments, strap tensions, and Velcro® closure positions to achieve anatomically correct configurations. These parameter changes allow the dummy to accurately represent human positions for effective training while avoiding the need for complex rigid mechanical joints, thereby controlling manufacturing complexity.
Data Source
AI summary
A grappling dummy having a generally human shape includes a trunk with a head, arms, and legs extending from the trunk. The legs can be connected together by an elongate connecting leg segment forming a leg enclosure. The grappling dummy also includes padding disposed about the trunk, the head, the arms, and the legs. When resting on the ground in a “kneeling” position, the midline of the trunk is generally parallel and elevated with respect to the ground. The grappling dummy can include a jacket assembly to be worn around the trunk and the two arms, where the jacket assembly is divided at its back into trunk sections with arm coverings. The trunk sections are configured to connect at the back of the grappling dummy to form a cloth jacket open at the front, and are connectable by a fastener assembly at the back.