Ankle Ligament Tear

Dr Chong Xue Ling
Dr Chong Xue Ling
Senior Consultant Orthopaedic Surgeon

An ankle ligament tear occurs when one or more of the strong bands of tissue connecting bones in the ankle joint are overstretched or torn. The ankle consists of three bones and multiple ligaments that provide stability and enable movement. Tears most often affect the lateral ligaments on the outside of the ankle. These injuries range from mild stretching to complete rupture, causing pain, swelling, and instability that can affect mobility and daily activities.

Symptoms of Ankle Ligament Tear

Symptoms can vary in intensity depending on the severity of the tear, ranging from mild discomfort to significant pain and instability

Pain

A sharp, sudden pain occurs at the moment of injury, followed by ongoing discomfort that may worsen with movement or weight-bearing. The intensity ranges from mild soreness to severe pain that limits activity.

Swelling

Inflammation causes the ankle to swell, often appearing within minutes to hours. Swelling may be accompanied by warmth and redness, indicating tissue irritation and fluid accumulation.

Instability

The ankle may feel weak, wobbly, or prone to giving way, particularly when walking on uneven surfaces or making sudden movements.

Limited Range of Motion

Stiffness and restricted movement occur due to pain, swelling, or mechanical blockages caused by ligament damage. In some cases, individuals may struggle to flex or rotate the ankle fully.

Tenderness to Touch

The injured area is sensitive when pressed, particularly over the affected ligament. This tenderness helps determine the specific ligament involved and assess injury severity.

Audible Sound

Some individuals hear or feel a “pop” or “snap” at the time of injury, often indicating a more severe tear. This sound is caused by the ligament overstretching or rupturing under sudden force.

Causes and Risk Factors

Ankle ligament tears can occur due to various factors, with certain conditions making injuries more likely.

A sudden inward (inversion) or outward (eversion) foot movement can stretch or tear the ligaments beyond their limits.

Landing awkwardly or twisting the ankle during a fall can generate excessive force, exceeding the ligament’s capacity to stabilise the joint.

Activities involving jumping, abrupt direction changes, or uneven terrain place high stress on the ankle. Sports such as basketball, football, and tennis have a greater risk due to frequent cutting movements and landings.

A history of sprains or ligament tears can weaken the ankle, making it more prone to future injuries. Incomplete healing or lingering instability increases susceptibility.

Shoes lacking proper support or cushioning fail to stabilise the ankle, increasing strain on the ligaments during movement.

Structural differences such as high arches, flat feet, or leg length discrepancies can disrupt natural biomechanics, leading to uneven stress on the ligaments and a higher likelihood of injury.

Types of Ankle Ligament Tears

Lateral Ligament Tears

These involve the anterior talofibular ligament (ATFL), calcaneofibular ligament (CFL), or posterior talofibular ligament (PTFL). ATFL tears are the most common and often occur when the foot rolls inward (inversion injury).

Medial Ligament Tears

These affect the deltoid ligament on the inner side of the ankle and typically result from high-impact trauma. They are less common but often more severe, frequently occurring alongside fractures or syndesmotic injuries.

Syndesmotic Tears (High Ankle Sprains)

These involve the ligaments connecting the tibia and fibula above the ankle joint. They usually result from excessive outward foot rotation while the ankle is flexed upward (dorsiflexion). Healing takes longer than standard ligament tears, and severe cases may require surgical intervention.

Diagnostic Methods

Specialised tests evaluate ligament integrity and joint stability. The anterior drawer test checks for excessive forward movement of the talus, while the talar tilt test assesses abnormal side-to-side motion, helping to identify the affected ligament.

Although ligaments are not visible on X-rays, these images help rule out fractures and assess bone alignment. Abnormal joint positioning may indicate underlying ligament damage.

This imaging technique provides detailed views of soft tissues, including ligaments, tendons, and cartilage. It helps differentiate between partial and complete tears while identifying associated injuries, such as bone bruises or cartilage damage.

This real-time imaging method allows direct visualisation of ligament structures. It can detect tears, assess healing progress, and evaluate ligament function during movement.

X-rays taken while applying pressure to the ankle reveal

Treatment Options

Treatment approaches focus on reducing pain, supporting ligament healing, and restoring stability and function to the ankle for a full recovery.

Non-Surgical Treatment

  • R.I.C.E. Protocol: Resting the ankle limits further strain, while applying ice for 15–20 minutes every few hours helps control swelling and pain. Compression with an elastic bandage minimises fluid build-up, and elevating the ankle above heart level reduces inflammation.
  • Immobilisation: Braces, walking boots, or casts stabilise the ankle and prevent excessive movement during healing. The level of support required depends on the severity of the tear, with minor injuries needing minimal support and more severe cases requiring prolonged immobilisation.
  • Physical Therapy: A structured rehabilitation programme focuses on restoring strength, flexibility, and balance. Balance exercises improve ankle stability and reduce the risk of future injuries. Gradual progression to weight-bearing activities ensures safe recovery.
  • Pain Management: Non-steroidal anti-inflammatory drugs (NSAIDs) reduce pain and swelling, particularly in the early stages. Topical anti-inflammatory gels provide localised relief with fewer systemic side effects. Pain management should be tailored to individual needs and adjusted as healing progresses.

Surgical Treatment

  • Ligament Repair: In cases of complete ligament rupture, direct suturing reconnects the torn ends, helping restore stability and function. This approach is most effective when performed soon after the injury, before the ligament tissue deteriorates.
  • Ligament Reconstruction: When the ligament is too damaged for direct repair, a tendon graft is used to replace it. The graft may come from the patient’s own tendon (autograft) or donor tissue (allograft) to restore ankle stability.
  • Arthroscopic Procedures: Minimally invasive techniques use small incisions and a camera to assess ligament damage, remove debris, and address associated joint injuries, such as cartilage damage or loose fragments. This approach reduces recovery time compared to open surgery.

Prevention and Management

Maintaining ankle strength and flexibility reduces injury risk. Supportive footwear and ankle braces can help stabilise the joint, particularly for those with prior injuries or high activity levels. Sport-specific training that includes balance and proprioception exercises enhances stability and reduces reinjury likelihood. Long-term rehabilitation maintains strength, while weight management minimises strain on the ankle. Follow-up assessments monitor healing and address lingering issues.

Dr Chong Xue Ling

Dr Chong Xue Ling

Senior Consultant Orthopaedic Surgeon

Dr Chong Xue Ling is a Swiss fellowship-trained orthopaedic surgeon specialising in foot and ankle, as well as shoulder and elbow surgery.

She is a member of the European Group for the Study and Research of Minimally Invasive Surgery of the Foot and Ankle. For shoulder and elbow surgery, she completed her fellowship at La Tour Hospital, an accredited Swiss Olympic Medical Centre and learnt innovative techniques in arthroplasty for earlier return to activity as well as the stabilising techniques, developed to have greater strength without extensive fixation.

  • MBBS (S’pore)
  • MRCS (Ireland)
  • MMed Orthopaedic (S’pore)
  • FRCS Orthopaedic (Edinburgh)

Through active involvement in research, she aims to constantly improve existing treatment in the pursuit of quality care for her patients.

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    Ankle Ligament Tear

    Frequently Asked
    Questions

    Can an ankle ligament tear lead to knee or hip problems?

    An unstable ankle can alter walking mechanics, causing excessive strain on the knee, hip, or lower back. Over time, this may lead to pain, joint misalignment, or secondary injuries.

    How long does it take for an ankle ligament tear to heal?

    Healing time depends on the severity of the tear. Mild sprains typically recover in 2–4 weeks, moderate tears take 6–8 weeks, and complete ruptures may require 3–6 months, particularly if surgery or extensive rehabilitation is needed.

    What happens if an ankle ligament tear is left untreated?

    Without treatment, ligament tears can lead to chronic instability, making the ankle prone to recurrent sprains. Over time, this instability can alter walking patterns, increasing the risk of joint degeneration, pain, and long-term mobility issues.