Classification of Ankle Sprains:
Grade 1 – Mild Sprain
- No bruising, slight swelling
- Localized tenderness – usually on the outside of the ankle
- No or mild limp for up to 2 days, can raise up on toes slowly
- No joint laxity, no negative signs during stability tests and pain only at extreme range of motion.
Grade 2 – Moderate Sprain
- Bruising on one side of the foot
- More extensive swelling, the Achilles tendon contours are visible but blurred
- Less localized tenderness, with tenderness on both sides of the ankle
- Visible limp for 2 to 14 days, unable to raise up on toes, hop or run.
- Slight laxity when stressed, pain with most movements, especially inversion (rolling inwards) and plantar flexion.
Grade 3 – Severe Sprain
- Diffuse bruising and swelling on both sides of foot, the contours of the Achilles tendon are not longer visible.
- General tenderness on both sides of the foot
- Unable to weight bear and almost a complete loss of movement
- Positive laxity and stability tests
Tiba Associated Joint ligaments:
Light Speed Physiotherapy. Ankle Sprain Classification. 2008. Retrieved October 10, 2009 from http://www.lightspeedphysio.com/sprained_ankle.htm