Ace Physiotherapy and Sports in Singapore
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ACE PHYSIO SPORTS
East gate Building, 46 East Coast Road
#08-03 Singapore 428766 -
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Sat: 08:00am - 4:00pm
Sunday (By prior appointment)
Avulsion Fracture of the Base of the Fifth Metatarsal
What is an avulsion fracture of the base of the fifth metatarsal?
The fifth metatarsal is a long, thin bone that runs along the outside border of the foot, extending from the middle of the outer foot to the base of the little toe. An avulsion fracture of the base of the fifth metatarsal happens when a small fragment of the bone is pulled away from the main bone, usually due to a sudden force from a tendon or ligament. Physiotherapy is an effective treatment option for this type of fracture, helping to restore mobility, strength, and function while promoting proper healing.
How does an avulsion fracture of the base of the fifth metatarsal happen?
An avulsion fracture of the base of the fifth metatarsal often occurs when the ankle twists inwards. In this motion, the peroneus brevis muscle contracts strongly to prevent excessive movement and protect the ankle ligaments. Since this muscle attaches to the base of the fifth metatarsal, a sudden or forceful contraction can pull on the bone at the attachment site. As a result, a small fragment of the bone may be pulled away, leading to an avulsion fracture.
What are the symptoms of an avulsion fracture of the base of the fifth metatarsal?
An avulsion fracture of the base of the fifth metatarsal typically results in pain along the outside border of the foot, which is often aggravated by standing or putting weight on the injured foot. Swelling, bruising, and tenderness at the site are also common, and in more severe cases, walking may become difficult due to discomfort and instability.
- Swelling along the outside of the foot
- Bruising around the injured area
- Tenderness at the base of the fifth metatarsal
- Difficulty walking or bearing weight on the affected foot
- A feeling of weakness or instability in the foot
What should I do if I have an avulsion fracture of the base of the fifth metatarsal?
If you suspect an avulsion fracture of the base of your fifth metatarsal, it is important to avoid putting weight on the injured foot and to arrange a physiotherapy appointment as soon as possible. In the meantime, you can begin the RICE regime (Rest, Ice, Compression, Elevation) to help manage swelling and reduce pain, which will support the healing process and prevent further injury.
Physiotherapy treatment following an avulsion fracture of the base of the fifth metatarsal.
Physiotherapy plays a key role in the treatment of an avulsion fracture at the base of the fifth metatarsal. At your initial assessment, your physiotherapist will determine which tissues have been damaged and the extent of the injury. If you have an X-ray report, it is important to bring it along, as it will help in developing the most effective treatment plan. Depending on the severity of the fracture, you may need to use crutches for a couple of weeks to allow healing and reduce pain. Once the acute phase has settled, your physiotherapist can implement various techniques to accelerate your recovery, which may include:
- Advice on rest, activity modification, and safe return to weight-bearing
- Ice and other modalities to reduce pain and swelling
- Gentle range of motion and mobility exercises for the foot and ankle
- Strengthening exercises to restore muscle function and support the foot
- Balance and proprioceptive training to reduce the risk of re-injury
- Gait re-education to ensure a safe and correct walking pattern
- Guidance on appropriate footwear or orthotics to provide stability and protection
What shouldn’t I do if I have an avulsion fracture of the base of the fifth metatarsal?
If you suspect that you have an avulsion fracture of the base of your fifth metatarsal, you should avoid putting any weight through your injured foot and refrain from activities that may increase blood flow to the area, as this can worsen swelling and pain. Activities to avoid include hot showers, heat rubs, alcohol consumption, and excessive activity. Resting the foot and keeping it protected during the early stages will help promote healing and prevent further damage.
Could there be any long-term effects from an avulsion fracture of the base of the fifth metatarsal?
Avulsion fractures of the base of the fifth metatarsal typically heal within a few weeks and, when managed appropriately, usually do not lead to any long-term effects. However, because this type of injury often occurs when the ankle is twisted inwards, it is common for the supporting ligaments of the ankle and nearby structures to also sustain damage. If these additional injuries are present, recovery may take longer and require more comprehensive rehabilitation.
To arrange an appointment, please call +65 81535374 or visit acephysiosports.com.
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