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Peroneus Brevis Tendon Injury
The Peroneus Brevis tendon inserts into the outside of the foot. A strain to the tendon can occur where it inserts into the foot causing pain.
The tendon of the Peroneus Brevis muscle helps you go up on your toes (plantar flexion) and also pulls the outside of the foot upwards (eversion). Its tendon attaches to the fifth metatarsal on the outside of the foot. This muscle can get very tight in runners especially those who run a lot on roads.
Symptoms of Peroneus Brevis Tendon Rupture
- Pain which starts suddenly after a twist or sudden movement at the ankle.
- Pain occurs on weight bearing.
- Pain is worst when trying to evert the foot (turn the sole outwards).
- There may be some bruising and swelling.
How Does the Injury Occur?
Peroneal tendon ruptures usually happen following a traumatic event, such as an ankle sprain.
Acute injuries to this tendon can be either tears or avulsions. An avulsion occurs when a muscle force is so strong that it pulls off a section of bone at the attachment point. A tear of the tendon can be partial or complete. Most tears are actually longitudinal, along the length of the tendon.
Treatment of Peroneus Brevis Tendon Rupture
What can the athlete do?
- Apply ice and rest.
- Gently stretch the muscle if this does not produce pain.
- See a sports injury professional.
What can a specialist do?
- Prescribe anti-inflammatory medication (such as ibuprofen).
- Use ultrasound or laser treatment.
- Apply a plaster cast if necessary.
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