What is the difference between a sprain and a strain?

Sprains and strains are common injuries which a first aider may encounter. So what is the difference between a sprain and a strain?


A sprain occurs when a ligament is torn at or near a joint. Ligaments are bands of tough tissue (known as connective tissue) which connect bones in a joint.

Excessive force applied to a joint can cause these ligaments to tear – this is a sprain. A common injury encountered by first aiders is a sprained ankle.


A strain is an injury to muscle. Strains occur when muscles are overstretched. This can cause the muscle to tear. Common muscles to be injured in this way are the hamstrings in the leg. This is a common sporting injury.

Treatment of sprains and strains

Although there is a difference between sprains and strains the first aid treatment of both is the same.

The RICE  acronym provides an easy way to remember the treatment of these soft tissue injuries:

  • Rest
  • Ice
  • Comfortable support / Compression
  • Elevation

This simple first aid treatment will relieve swelling and subsequently relieve the pain from these injuries.

It can be difficult to tell the difference between a sprain/strain and a fracture. Always seek medical advice if there are concerns that a fracture may be present. 

John Furst

JOHN FURST is an experienced emergency medical technician and qualified first aid and CPR instructor. John is passionate about first aid and believes everyone should have the skills and confidence to take action in an emergency situation.

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