Dr Andres Sosa*

An active life in Hà Nội - whether you're an expatriate jogging around West Lake, a diplomat attending events or a tourist exploring the Old Quarter - depends on one vital joint: your ankle. Unfortunately, one of the most commonly injured structures in the ankle is also one of the most misunderstood: the Anterior Talofibular Ligament (ATFL).

This small but critical ligament stabilises the lateral side of the ankle and is frequently damaged during sprains, slips or sports activities. Left untreated or underappreciated, ATFL injuries can evolve into chronic lateral ankle instability, silently disrupting your quality of life and increasing your risk of repeated injuries.

What's the ATFL, and why is it so important?

The ATFL is the most commonly injured ligament in the ankle, especially during an inversion sprain, when the foot rolls inward. It connects the talus and fibula and serves as the first line of defence in maintaining ankle stability during walking, running or turning. 

Dr Sosa demonstrating the location of the Anterior Talofibular Ligament (ATFL) on an ankle model.  Photo courtesy of Family Medical Practice

A single misstep off a curb, an unexpected twist on uneven pavement or a quick pivot in sports can overstretch or tear the ATFL. While many dismiss the resulting pain and swelling as a 'simple sprain', failing to address it properly can lead to long-term consequences.

The impact of lateral ankle instability on daily life

Chronic lateral ankle instability (CAI) develops when repeated injuries or insufficient rehabilitation weaken the ligaments. Over time, the ankle becomes unreliable, giving way during regular activities like walking up stairs or on uneven surfaces. For someone living or working in the fast-paced environment of Hà Nội, this can mean missed meetings, compromised productivity, or the inability to enjoy leisure activities and travel.

Symptoms include:

• Persistent pain and swelling

• A sensation of the ankle "giving out"

• Limited confidence in weight-bearing movements

• Difficulty in sports or even brisk walking

These symptoms are not only physically limiting but also mentally exhausting, leading to a loss of confidence in one's mobility. The fear of another injury can become a barrier to physical activity, wellness routines and social interaction.

Increased risk of further injury

One of the most serious concerns with untreated ATFL injuries is the increased likelihood of additional injuries. A weakened lateral ankle structure leads to:

Higher risk of recurrent sprains

• Damage to cartilage (leading to osteochondral lesions)

• Tendon dysfunction (especially the peroneal tendons)

Early-onset ankle arthritis

This is particularly critical for active professionals and travellers who need reliable, pain-free mobility to maintain their lifestyle and work commitments.

Expert care in Hà Nội since 2018

I have been treating ATFL injuries and lateral ankle problems in Hà Nội since 2018, offering comprehensive, individualised care to the city’s international community. My approach integrates clinical expertise with advanced diagnostics and evidence-based rehabilitation protocols.

Each year, I participate in specialised training at ArthroLab in Singapore and attend international scientific meetings to stay at the forefront of orthopaedic innovation. This commitment ensures that my patients - whether they're business leaders, embassy staff, educators, or travellers - receive world-class ankle care right here in Hà Nội.

Your next step towards recovery

If you’ve experienced an ankle sprain and still feel pain, instability, or reduced function, don’t wait. What feels like a minor issue could evolve into a chronic problem that interferes with your work, travel, and enjoyment of life in Việt Nam.

Through precise diagnosis, guided rehabilitation, and - when necessary - surgical correction, ATFL injuries can be successfully treated, restoring both function and confidence. My mission is to help you walk, train and live without fear of your ankle holding you back. — Family Medical Practice 

Dr. Andres Sosa  Photo courtesy of Family Medical Practice

*Dr Andres Sosa, an expert in orthopaedic surgery and sports medicine, specialises in advanced meniscus repair techniques. With training in Italy, the US, Spain and Singapore, he brings world-class expertise to Hà Nội, offering personalised care for active individuals and professionals.

FMP Healthcare Group operates medical centres in major cities including HCMC, Hà Nội, and Đà Nẵng, offering consultations with international doctors, check-up centres, and emergency ambulance services.

Visit FMP Hanoi 24/7 at 298I Kim Mã Street, Kim Mã Ward, Ba Đình District.

To book an appointment, please call (024).3843.0784, or contact via WhatsApp, Viber or Zalo on +84.944.43.1919 or email hanoi@vietnammedicalpractice.com.