The term sprain is commonly used when ligament injury is suspected. It is also used under the term strain and can be used also in a muscle injury.
What is a sprain:
A sprain is a stretch or tear of one or more ligaments in a joint or muscle. Often, a sprain is caused by a traumatic event such as a fall, poor reception of jumps or sudden or unplanned movement.
A ligament sprain occurs when the joint is suddenly forced beyond its normal joint mobility, thus bringing the ligament beyond its stretch limit. This results in a stretching of the fibers and potential ligament tear.
A muscle sprain, also known as muscle strain or strain, occurs when the muscle or muscle group is suddenly forced beyond its flexibility. This results in a stretch of the fibres and potential tearing.
Ligament sprains
What is a ligament:
A ligament is a short, very strong fibrous connective tissue band that connects one bone to another in a joint to ensure that the bones are stable together while allowing some movement of the joint. They are like big elastic bands.
3 grades ligament sprains:
Your physiotherapist can diagnose 3 degrees of sprain:
Grade 1: partial stretch/tear (e.g., less than 1/3 of the fibers) of certain fibers.
Grade 2: partial tear of the ligament fibers that causes a start of instability in the affected joint.
Grade 3: complete tear of ligament fibers with instability at the affected joint.
Muscle sprains or bruises
What is a muscle:
Muscle is a tissue made up of fibers that have the ability to contract and produce movement.
3 grades of muscle sprains
Grade 1: partial stretching/tearing of certain muscle fibers
Grade 2: partial tear of muscle fibers and loss of strength
Grade 3: complete tear of muscle fibers and loss of function
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