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An ankle lateral ligament injury is another term for an ankle sprain.
Ankle sprains are the commonest sports injury.
A lateral ligament injury involves damage to one or more ligaments around the outer aspect of the ankle. Ligaments are a specific type of tissue in the body that connects bone to bone allowing movement to occur. A joint is when at least one bone articulates with another. Ligaments provide stability to the joints.
On the outer (lateral) aspect of the ankle there are 3 ligaments: ATFL, CFL and PTFL. The ATFL is the most commonly injured ligament in an ankle sprain followed by CFL.
Please read more about the ligaments of the foot and ankle here.
Lateral aspect of foot and ankle illustrating the 3 lateral ligaments, ATFL is the most commonly injured ligament in the foot and ankle
A lateral ankle ligament injury (ankle sprain) occurs when the foot and ankle are stressed beyond their normal range of motion and the ligaments are stretched or torn.
The mechanism of injury is typically an inversion of the ankle (rolling in, turning in) with or without an element of twisting.
The injury can occur when walking on uneven surfaces or while running and playing sports.
Stability to the joints is derived by two mechanisms:
Dynamic stability is the most important of the two during normal function and activities of daily living. It is only when dynamic stability fails, do the ligaments then come under tension. Poor dynamic control – weakness in core stability, gluteus medius, quadriceps, hamstring and peroneal muscle can predispose to ankle instability. Ankle proprioception: sense position, location, orientation and movement of the ankle is also vital for ankle stability.
Patients with hypermobility of their ligaments are also at risk of developing ankle sprains. In hypermobile patients the ligaments are more lax allowing for greater motion in the joint than usual.
Patients with a certain foot shape are also predisposed to lateral ligament ligament injury. If the hindfoot is in varus (turned in) such as in a cavus foot, the ligaments on the outer aspect of the foot are chronically stretched and can weaken over time.
In summary risk factors for ankle lateral ligament injury include:
Clinical picture illustrating a varus hindfoot deformity which predisposes the patient to a lateral ligament injury
An ankle sprain typically presents with pain and swelling on the outer aspect of the ankle. Bruising may also be present depending on the severity of injury.
Patients often describe difficulty weight bearing immediately after the injury and often have a limp.
Symptoms following an ankle sprain:
We grade the severity of the injury using the following classification system:
Grade 1 – No ligament disruption, minimal swelling and bruising, weight bear normally
Grade 2 – Ligament stretched, moderate swelling and bruising, mild pain on weight bearing
Grade 3 – Ligament torn, severe swelling and bruising, severe pain on weight bearing
On clinical examination your foot and ankle surgeon will look for signs of bruising and swelling. Your surgeon will grade the severity of the injury.
In addition other conditions that can be often confused for an ankle sprain will be looked for such as:
Your surgeon will also examine you for associated injuries such as:
Clinical picture of the foot and ankle in a patient with a severe lateral ligament injury demonstrating significant bruising and swelling
In the acute setting no investigations are required if the history and clinical examination findings are consistent with a low grade uncomplicated ankle sprain.
Radiographs (x-rays) are requested if there is:
Radiograph of a sprained ankle demonstrating extensive soft tissue swelling on the lateral side (arrows), note normal soft tissue margin medially (blue line)
MRI provides excellent high definition static images. It is generally not necessary in the investigation and treatment of routine low grade sprains. In severe injuries it may be necessary to exclude any other pathology in the hindfoot. It is also useful in monitoring healing.
In the setting of a severe ankle sprain an MRI is particularly useful in assessing:
MRI of the ankle revealing a torn ATFL
Yes, although the majority of ankle sprains (lateral ligament) recover without any long term complication.
Patients who have been misdiagnosed, have lacked proper rehabilitation post injury, and if the ligaments have failed to heal properly, may develop a chronic ankle sprain and instability.
Non operative management is the mainstay of treatment for the acute lateral ankle ligament injury. Managed appropriately the vast majority of injuries, even severe ankle sprains, will recover by 4 to 6 weeks.
We recommend the PRICE regime:
Non steroidal anti inflammatories (NSAIDs) help reduce inflammation and swelling but there also is a risk that this will have an adverse effect on ligament healing. We advise patients that if there continues to be considerable pain and swelling several days after the injury they should reflect on how much they are truly resting the ankle, rather than take more painkillers.
Your surgeon will guide you according to the grade of your ligament injury.
Effective rehabilitation is critical to ensuring full recovery: resolution of painful symptoms, swelling and restoration of stability. It is also important as it will prevent the risk of chronic ankle instability. Using an experienced physiotherapist can help with your recovery and rehabilitation.
The different stages of rehabilitation include:
Proprioception based exercises work on sense position, location, orientation and movement of the ankle.
Surgical repair of an acute lateral ligament injury is recommended in instances where a rapid return return to sports is required. Surgery can aid rehabilitation and return to full function in the case of a severe ligament injury to the ankle. The success rate following this surgery is 90%.
Patients who fail to recover following non operative treatment and develop chronic ankle instability may benefit from surgical intervention. Please read chronic ankle sprain for further information.
It should be borne in mind that complications can result from a condition with or without surgery.
Please see guidance above and information here. Ultimately it is the responsibility of the patient to decide if they are safe to drive. A good way of knowing is if you can stamp your right foot heavily on the ground to mimic an emergency brake. If you have any hesitation or pain then it should suggest you are not safe to drive. Remember prolonged driving involves keeping your feet in a dependant position. This will worsen any swelling present and potentially result in chronic symptoms.
This really depends on you and your job. If you have a job that involves a lot of standing, walking and is manual it may be 4 to 6 weeks. If you have a sedentary job, for example in an office and you have a reasonable commute you may be able to go back to work at 1 to 2 weeks.
This really depends on the grade of injury. It may be 6 weeks to several months.
Excellent pain relief and return to full activities of daily living in the majority of patients.
This can result if you return to work, sports or other activities without letting the ankle heal properly and become rehabilitated.
I went to the doctors around 6 weeks after my initial incident as I was still experiencing issues, at first I thought it was a sprain but soon realised it was worse than that. Once meeting with the consultant following an MRI scan it was clear that operating was the best outcome for myself as I want to get back to playing football, running, gym and more…
My fears and concerns were that my ankle would never be the same again. I had also never been under general anaesthetic and was nervous regarding what to expect.
A very positive experience with excellent staff on hand for assistance and keeping me up to date with what was going on.
Not to be nervous or anxious. Don’t do any strenuous activity (prior to surgery) on the ankle and also buy an ankle support for the time leading up to the operation.
Patience and rest is key, do not rush or try anything silly. Follow the doctor’s advice and once you have seen the physiotherapist to make sure you do all the exercises daily.
Our 15 year old daughter tore an ankle ligament playing competitive netball. Despite months of rest and physio, it was not healing so we arranged an MRI scan, X rays and consultation with Mr Malik. We found his details on the websites for The Chiltern Hospital and The London Foot and Ankle clinic as well as local recommendation. He has immense experience in his field and a first-rate track record.
The MRI scans showed that the ligament was completely torn. Mr Malik carefully outlined all options to us and we discussed them in detail. We decided to proceed with surgery as this seemed to offer the best chance of a recovery which would enable our daughter to continue playing netball and other sport. We had absolute trust in his opinion and were very impressed with his approach.
The day of the operation came and we all felt a little nervous but there was no need as Mr Malik and his team were outstanding. The pre-operation process, anaesthetic and operation went really smoothly. We were kept fully informed of progress throughout which was incredibly reassuring to me as a mum!
As Mr Malik had briefed us so comprehensively, we knew what to expect for the period post op. I cannot emphasise enough the importance of following his instructions to the letter to maximise the chances of a strong recovery – there are no shortcuts.
In the weeks following the op, we worked as a team and our daughter’s recovery went like clockwork with very few blips. I often texted or sent photos/videos to Mr Malik at all hours of day and night for reassurance.
Our daughter was 100% committed to the recommended post op advice and physio exercises. She was nervous of coming off painkillers and walking without her boot/crutches. However, Mr Malik was calm, clear and reassuring which worked perfectly for her. As well as her regular physio, we also engaged a specialist sports rehab trainer to maximise her recovery.
Six months later, she made a complete recovery and is now able to resume all of her sports including competitive netball.
Our top three recommendations would be:-
1. Seek consultant advice and MRI scans at the first sign of an issue. Don’t leave it too long!
2. Choose a consultant surgeon whose approach works with your aims and objective.
3. Follow their advice and instructions to the letter, especially in the post op period
I cannot recommend Mr Malik highly enough and have shared his contact details with many others.
Orthopaedic Outpatient Department
30 Devonshire Street, London, W1G 6PU
tel: +44 (0) 203 7956053
Mon - Fri (8am-8pm)
Sat (9am - 5pm)