Mechanical Stimulation Testing
Mechanical Stimulation Testing - Related Videos
12:45
Mechanical Stimulation of Chondrocyte-agarose Hydrogels
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Cited by 29 •
2012
The biosynthesis of cartilaginous extracellular matrix by chondrocytes can be affected by application of mechanical stimuli. This method describes the technique of applying dynamic compressive strains to chondrocytes encapsulated in 3D constructs and the evaluation of induced changes in chondrocyte metabolism.
10:32
Mechanical Testing of Mouse Carotid Arteries: from Newborn to Adult
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Cited by 31 •
2012
Passive mechanical testing of mouse carotid arteries is described, with special consideration for adapting to different specimen ages. The procedures include determining the in vivo length of the artery, mounting it in a pressure myograph, recording data, measuring the unloaded dimensions and analyzing the resulting data.
11:51
An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
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Cited by 10 •
2014
An improved method to mechanically test bone anchorage to candidate implant surfaces is presented. This method allows for alignment of the disruption force exactly perpendicular, or parallel, to the plane of the implant surface, and provides an accurate means to direct the disruption forces to an exact peri-implant region.
04:46
The Quantification of Injectability by Mechanical Testing
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Cited by 16 •
2020
Presented here is a protocol for quantitatively evaluating the injectability of a material through a syringe-needle system using a standard mechanical testing rig.
07:15
A Testing Platform for Durability Studies of Polymers and Fiber-reinforced Polymer Composites under Concurrent Hygrothermo-mechanical Stimuli
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2014
The durability of polymers and fiber-reinforced polymer composites in service is a critical aspect for their designs and condition-based maintenance. We present a novel low-cost laboratory testing platform for the investigation of the influence of concurrent mechanical and environmental loadings, and may help design more efficient yet safer composite structures.
FAQs
The loading mode determines how a tissue, cell, or medical material is challenged. Compression examines response to pressing forces, tension to pulling forces, and shear to sliding forces, while cyclic loading evaluates repeated stimulation. Recording force, displacement, deformation, and recovery helps relate each applied condition to structural performance and functional behavior.
In living tissues and cells, applied forces can trigger mechanotransduction pathways, which convert mechanical cues into changes in cell behavior. The resulting response may be evaluated alongside deformation or recovery measurements, allowing investigators to connect a physical stimulus with a biological outcome rather than assessing structure alone. This is especially relevant when studying tissue healing or function.
Recovery shows how a tested tissue, cell system, or material responds after the applied force or loading cycle changes or stops. Comparing deformation during loading with subsequent recovery provides information about functional response and mechanical behavior. This distinction can help researchers evaluate whether an observed change reflects the immediate challenge, the return toward the prior state, or both.
A typical workflow selects the biological tissue, cells, or medical material and applies a controlled force using compression, tension, shear, or cyclic loading. The system then records variables such as force, displacement, deformation, and recovery. Investigators compare these measurements with the intended structural or biological outcome to assess function, safety, or treatment-related effects.
For medical implants, the method links applied mechanical conditions with performance-related outcomes. Researchers can examine how an implant responds to controlled force and assess measurements such as displacement, deformation, and recovery. This evidence supports evaluation of implant function and safety, helping determine whether the device behaves appropriately under the tested conditions.
Medical researchers apply the approach to tissue biomechanics, wound healing, rehabilitation strategies, and musculoskeletal disorders. It can connect physical loading with structural changes or biological responses, providing evidence about tissue behavior and treatment effectiveness. In rehabilitation and healing studies, the findings help relate a mechanical intervention or condition to functional outcomes.