Scar Contracture
Scar Contracture - Related Videos
05:23
Holmium:YAG Laser-Assisted Induction of Bladder Neck Contracture in a Rat Model
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2026
This protocol demonstrates transvesical Ho:YAG laser ablation to create a reproducible rat model of bladder neck fibrosis for studying thermal injury-induced fibrotic remodeling and therapeutic interventions.
04:59
Using a Knee Arthrometer to Evaluate Tissue-specific Contributions to Knee Flexion Contracture in the Rat
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Cited by 4 •
2018
The goal of the protocol is to measure the extension range of motion of the rat knee. The effects of various diseases that increase the stiffness of the knee joint and the effectiveness of treatments can be quantified.
05:34
A Mini-Invasive Internal Fixation Technique for Studying Immobilization-Induced Knee Flexion Contracture in Rats
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Cited by 1 •
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Here, we present a protocol to describe a minimally invasive technique for knee joint immobilization in a rat model. This reproducible protocol, basing on muscle-gap separation modus and the mini-incision skill, is suitable for studying the underlying molecular mechanism of acquired joint contracture.
02:41
Responses to Drought and Flooding
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2020
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants. Under normal conditions, water taken up by the plant evaporates from leaves and other parts in a process called transpiration. In times of drought stress, water that evaporates by transpiration far exceeds the water absorbed from the soil, causing plants to wilt. The general plant response to drought stress is the synthesis of hormone...
02:45
Culturing Neisseria gonorrhoeae in Metal-Depleted Conditions
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2025
Source: Maurakis, S., and Cornelissen, C. N. Metal-Limited Growth of Neisseria gonorrhoeae for Characterization of Metal-Responsive Genes and Metal Acquisition from Host Ligands. J. Vis. Exp. (2020)This video demonstrates the procedure for growing Neisseria gonorrhoeae under metal-limited conditions using a defined, metal-depleted medium.
FAQs
Fibroblasts and myofibroblasts influence the problem through two coordinated activities: depositing and remodeling collagen, and generating contractile forces. These actions normally support wound healing, but an excessive response can make the developing scar pull adjacent skin and deeper tissues together. The resulting tension explains why scar maturation may progressively interfere with movement or alter nearby anatomy.
Burns, traumatic injuries, and surgical wounds can leave scars in locations where tightening affects joints, skin surfaces, or deeper structures. As the scar matures, its pull may reduce joint range of motion, distort anatomy, and make daily activities more difficult. These consequences make early clinical attention important even when the original wound has already closed.
During maturation, collagen is deposited and remodeled while contractile forces draw surrounding tissues together. If this process becomes excessive, the scar can shorten across an area that needs to move freely. Tightening may therefore restrict motion, change anatomical relationships, and reduce function, rather than remaining only a visible change in the healed tissue.
Clinical assessment determines how the scar affects movement, anatomy, and function. In practice, clinicians consider limitations such as reduced joint range of motion and difficulty with daily activities, then use those findings to guide prevention or treatment. Assessment also helps identify whether rehabilitation and stretching are appropriate or whether more intensive management may be needed.
Rehabilitation, stretching, splinting, and pressure management are among the approaches used to address or prevent functional restriction. These measures are selected according to clinical findings and aim to preserve or improve mobility while the scar matures. Their relevance is greatest when tightening threatens joint movement or interferes with everyday activities but does not require surgical release.
Surgical release may be considered when scar contracture is severe and the resulting restriction or distortion cannot be adequately managed with rehabilitation, stretching, splinting, or pressure management. The decision follows clinical assessment of functional impact. Its purpose is to release the constraining scar and support restoration of mobility and function in the affected area.