Sprain
A sprain is an overstretch or tear in a ligament.
Symptoms
The severity of a sprain — and its symptoms — depends on the grade of injury. A Grade I sprain involves minor overstretching with no instability, while a Grade III sprain is a complete ligament rupture that may require surgical repair.
Commonly affected joints:
Back,
Neck,
Knee,
Wrist,
Ankle,
Shoulder
Common symptoms — severity varies by grade:
Pain or tenderness at and around the injured joint — sharp on movement, dull at rest
Swelling, inflammation, and localised soreness developing within hours of injury
Redness, discolouration, and bruising due to bleeding within the ligament and surrounding tissue
Restricted range of motion — difficulty moving the joint through its full arc
Heaviness and weakness in the affected limb or joint
Inability to bear weight on the affected joint in moderate to severe cases
