What Is a Strain?
Strain is an injury to a muscle or tendon caused when the tissue is stretched beyond its normal tolerance or develops small tears. Strains often affect areas exposed to repeated force, sudden effort, or poor movement control. Symptoms may include localized pain, tenderness, swelling, weakness, or reduced range of motion.
Quick Facts About Strain
Category
Muscle or tendon injury
Used for
Sports injury assessment and care
Common confusion
Sprain affects a ligament
Also called
Muscle Strain, Pulled muscle
Often discussed with
Sports Injury Treatment
Key Takeaways About Strain
- Strains involve muscles or tendons, not ligaments.
- Movement patterns and tissue load help guide assessment.
- A strain is often confused with a sprain.
How Strain Works
Strain develops when force places more demand on a muscle or tendon than the tissue can manage. The tissue may become irritated, overstretched, or partially torn. The affected area can feel painful during movement, and nearby joints may show reduced range of motion.
Related glossary terms: Sprain, Muscle Spasm, Range Of Motion.
Assessment considers the location of pain, the movement that provokes symptoms, strength, tenderness, and joint motion. A sports injury evaluation also looks at training demands and movement habits because repeated loading can keep irritated tissue under stress. A sprain affects a ligament, while a muscle spasm describes involuntary tightening that may occur with pain or fatigue.
From the Arrowhead Clinic Chiropractor Riverdale team
When we assess a strain, we connect the reported activity with the area of pain and the movements that reproduce symptoms. We also check strength, tenderness, and range of motion so our sports injury treatment approach matches the tissue and movement pattern involved.
Strain in Practice: A Real-World Example
A recreational runner may develop a thigh strain after increasing speed during a workout. Pain during push-off, local tenderness, and reduced leg strength can help direct the sports injury assessment.
Related Services
Related Terms
Sprain
A sprain is an injury to a ligament, the tough tissue that connects bones at a…
Muscle Spasm
Muscle Spasm is a sudden, involuntary tightening of muscle tissue that may feel hard, painful, or…
Range Of Motion
Range Of Motion is the available movement at a joint or body region during a specific…
Trigger Point
A Trigger Point is a sensitive, tight area within muscle tissue that may produce local tenderness…
Arrowhead Clinic Chiropractor Riverdale
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