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How does a non-motorized exoskeleton work? The principle of physical assistance
Exoskeletons are gradually establishing themselves as effective allies for reducing work-related strain, particularly in sectors where physical effort is frequent. But how does a non-motorized exoskeleton – also known as a passive exoskeleton – work, and how does it help relieve the body? This article simply explains the principle of physical assistance without a motor or complex embedded technology.
What is a non-motorized exoskeleton?
A non-motorized exoskeleton is a mechanical structure worn on the body to support certain muscle groups during strenuous physical tasks. Unlike motorized exoskeletons, these devices contain neither motors, batteries, nor electronic assistance.
They are designed to accompany the body's natural movements, reducing muscle effort without restricting mobility. They are lightweight, discreet, and easy to use.
Operating principles
The operation is based on a simple biomechanical principle: redistributing a portion of the loads experienced by certain parts of the body (such as the back, shoulders, or legs) to more robust areas (such as the thighs), or absorbing them using mechanical components (composite rods).
Concrete example #1: relieving the lower back
Let's take the case of a worker in a bent position. A non-motorized lumbar exoskeleton like the Hapo BACK accompanies the bending movement, and when the user straightens up, the energy stored by the springs is released to support the lower back.
This support is the result of a composite rod system with 3 points of support: back, thighs, and shoulders. When bending over, the back remains straight and muscle strain is greatly reduced since part of the torso's weight is transferred to the legs.
Result: the lumbar muscles are less strained, fatigue decreases, and the risk of musculoskeletal disorders (MSDs) is reduced.
Concrete example #2: relieving the arms and shoulders
Let's now focus on the case of a professional performing long or repetitive tasks with their arms in front of them. This is the case, for example, of a sorting operator, a manufacturing agent in the industry, or even a surgeon. The weight of the arms causes tension on the shoulders, which can lead to discomfort and pain.
An exoskeleton like the Hapo FRONT helps reduce the effect of gravity by transferring part of the weight of the arms onto the composite material rods. The user then feels a sensation of lightness in the arms, and their muscle fatigue decreases. There is no loss of precision in their movements.
At Hapo, we are seeing an increasing use of this exoskeleton among healthcare professionals. For us, this is proof of the effectiveness and reliability of our equipment.
A simple and effective physical support
The non-motorized exoskeleton offers an accessible, discreet, and efficient solution to relieve workers subjected to repetitive efforts. Thanks to a purely mechanical operation, it provides natural physical assistance without compromising freedom of movement.
The operation of a non-motorized exoskeleton is based on a simple idea: assist the body through passive mechanical means to reduce physical load. This simplicity is its strength: no heavy maintenance, no breakdowns, no technical complexity.
At Hapo, this vision guides the development of each model: providing effective relief without hindering movement or adding burden to daily life. Thanks to their ergonomic design, our exoskeletons naturally integrate into the workday and become true allies in preventing pain and protecting health. Innovation here serves the purpose of precise movement, comfort, and performance.
Contact one of our experts
Our teams are at your disposal to assess your needs and organize real-life tests to allow your employees to experience the benefits of Hapo CS in their work environment.
Contact one of our experts
Our teams are at your disposal to assess your needs and organize real-life tests to allow your employees to experience the benefits of Hapo exoskeletons in their work environment.