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What You Need To Know About Mechanical Stress Injuries – FIX24

Mechanical stress injuries, also known as strain injuries or strains, are broken bones, torn ligaments, and sprained muscles that result from a person putting pressure on joints or the skin around them. These injuries appear similar to other types of fractures, but they’re different in several key ways. Strain injuries occur because the body is trying to repair itself.

This causes a tear naturally occurring in the tissue (strain) and compresses it into a smaller space than it needs to be (fracture). The location and severity of the injury determine how long it will take for healing to take place and whether any permanent damage results. Read on for more information about these common mechanical stress injuries and what you can do about them.

What Is A Mechanical Stress Fracture? 

Strain or mechanical stress fractures occur when a person puts excessive pressure on a joint, usually, the knee, caused by either manual or mechanical stresses. While most common among younger people, stress fractures do occur in the elderly, too. A mechanical stress fracture is caused by repetitive movements that stress the joint, such as mountain bike riding, skiing, or working in stone quarries.

How Do Mechanical Stress Fractures Happen? 

Chronic overuse of certain body parts can cause a breakdown in the joint’s structure. Over time, this leads to the development of a mechanical stress fracture. Once a person has a mechanical stress fracture, it’s hard to repair — as opposed to a break in which the body simply tears apart and fragments are scattered across the affected area.

Signs And Symptoms Of A Mechanical Stress Fracture 

Strain and mechanical stress injuries result in swelling, warmth, and tenderness of the joint. The lining of the joint may feel rubbery or spongy; this is normal, and it’s a good sign the injury is healing. If the area around the joint is also swollen, it’s typically a sign of another injury, such as a broken bone. In most cases, you’ll also feel a popping or crackling sound when the bone is stressed.

What To Do About A Mechanical Stress Fracture 

If you think you or a loved one has a mechanical stress fracture, the first thing to do is identify the cause. A faulty cycling or skiing helmet can be a significant factor in causing a strain injury. If you’re riding a bike or skiing in a high-speed snowstorm, you can put extra pressure on your knees by wearing the fashionable Bermudas; they offer little protection.

The Recovery Process After A Fracture 

Strain or mechanical stress fractures usually heal on their own, but sometimes they require medical intervention. A person with a stress fracture may experience: Chronic pain and swelling in the joint. Dry, stiff, often painful skin. Loose or wobbly Joint movement. Pain and stiffness when bending the knee or curving the foot. Joint replacement surgery is a common procedure for people with a bad break.


Strain and mechanical stress injuries are common, and there’s no way to avoid them. Strain injuries can be managed by wearing the correct shoe, using a stretchy ankle strap, and strengthening muscles. While some people will heal quickly and be fine, others may need surgery. If you’re experiencing a mechanical stress injury, better get to a doctor’s clinic and visit here.

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