Achilles Tendon Rupture: Signs, Treatment, and Recovery
An Achilles tendon rupture can happen in an instant: a quick push-off on the tennis court, a sprint to first base, or a lunge for a pickleball shot. Many people describe feeling as if someone kicked them in the back of the leg, only to turn around and find no one there.
This injury is especially common among active adults in their 30s, 40s, and 50s who play sports on weekends. This guide explains how to recognize an Achilles rupture, what treatment options are available, and what recovery usually looks like.
What is the Achilles tendon, and how does it rupture?
The Achilles tendon is the body's largest and strongest tendon. It connects the calf muscles to the heel bone, making it possible to walk, run, jump, and rise onto the toes.
A rupture is a partial or complete tear of the tendon. Most ruptures happen a few inches above the heel, where blood supply is lower, and the tendon is more vulnerable. Common causes include:
Suddenly pushing off the foot to sprint or jump.
Quickly changing direction
Stepping into a hole or tripping, forcing the foot upward
Falling from a height
Many ruptures happen in a tendon gradually weakened by wear over time, even without warning signs.
Who is most at risk?
Achilles ruptures are most common in:
Adults ages 30 to 50, especially "weekend warriors" who play sports occasionally rather than training regularly.
Men, who experience this injury several times more often than women
Players of stop-and-go sports, such as tennis, pickleball, basketball, softball, and soccer
People with prior Achilles tendonitis, which can weaken the tendon over time
People taking certain medications, including fluoroquinolone antibiotics (such as ciprofloxacin) and steroid injections near the tendon.
Sudden increases in activity, like jumping back into a sport after a long break, also raise the risk.
Signs of an Achilles tendon rupture
The signs are usually sudden and hard to miss:
A "pop" or snapping sound at the back of the ankle
A feeling of being kicked or struck in the calf or heel
Sharp pain at the back of the ankle, which may fade quickly
Swelling and bruising near the heel
Difficulty walking, pushing off the foot, or climbing stairs
Inability to stand on the toes of the injured leg
A gap or dent that can be felt in the tendon above the heel
Because the pain can ease soon after the injury, some people assume they only have a sprain. You can still walk with a ruptured Achilles, so being able to walk does not rule out a tear. Delaying treatment can make recovery more difficult.
What to do right after the injury
If you suspect an Achilles rupture:
Stop the activity immediately. Continuing to play can widen the tear.
Avoid putting weight on the injured leg, and use crutches if you have them.
Apply ice wrapped in a cloth and keep the leg elevated to reduce swelling.
See an orthopedic specialist promptly, ideally within a few days.
Early evaluation matters. Treatment options, especially non-surgical ones, tend to work best when started soon after the injury.
How an Achilles rupture is diagnosed
An orthopedic specialist can often diagnose a rupture with a physical exam. A common check is the Thompson test: the patient lies face down, and the doctor squeezes the calf. Normally, the foot points downward when the calf is squeezed; if it doesn't move, the tendon is likely torn.
The doctor will also feel for a gap in the tendon and check strength and range of motion. A doctor may order an ultrasound or MRI to confirm the diagnosis, show whether the tear is partial or complete, and help guide treatment decisions.
Treatment options
Both surgical and non-surgical treatment can lead to good outcomes. The right choice depends on the patient's age, activity level, overall health, and how the tendon ends line up.
Non-surgical treatment. The foot is placed in a cast or walking boot with the toes pointed slightly downward, allowing the tendon ends to heal together. Over several weeks, the angle gradually returns to neutral. Modern programs that start controlled movement and weight-bearing early have produced results close to surgery for many patients. This approach avoids surgical risks such as infection and wound problems.
Surgical repair. A surgeon sews the torn tendon ends back together, sometimes through a small incision. Surgery is often recommended for:
Younger, highly active patients and competitive athletes
Tears where the tendon ends are far apart
Injuries where treatment was delayed
Re-ruptures
Surgery may lower the risk of re-tearing and can allow a faster return to some activities. An orthopedic specialist can explain the benefits and risks of each option for an individual patient.
Recovery and returning to activity
Whether or not surgery is involved, full recovery from an Achilles rupture usually takes 6 to 12 months. Recovery generally moves through these stages:
First 2 weeks: protecting the tendon in a cast, splint, or boot, with the foot pointed downward and the leg elevated.
Weeks 2 to 8: gradually increase weight-bearing in a walking boot while slowly adjusting the foot angle.
Weeks 8 to 12: moving out of the boot, often with a small heel lift in the shoe, and building calf strength in physical therapy.
Months 3 to 6: progressing to more demanding exercises, such as calf raises, balance work, and light jogging once cleared.
Months 6 to 12: returning to sports, based on strength and function rather than time alone.
Physical therapy is essential. Calf strength can take many months to return, and returning to cutting and jumping sports too early raises the risk of re-rupture.
How to lower the risk of an Achilles rupture
Not every rupture can be prevented, but these habits can help protect the tendon:
Warm up before sports with light movement, not just static stretching.
Strengthen the calves regularly with exercises such as slow calf raises
Increase activity gradually, especially when returning to a sport after time off.
Wear supportive shoes suited to the sport and court surface.
Mix high-impact sports with lower-impact activities like cycling or swimming.
Take pain at the back of the heel seriously, and get persistent Achilles tendonitis checked before it worsens.
If a doctor prescribes a fluoroquinolone antibiotic, ask whether it is safe to continue sports while taking it.
About Dr. Richard Savino
Dr. Richard M. Savino is a board-certified orthopedic surgeon and Chief of Orthopedic Surgery at NYU Langone Hospital–Suffolk. He completed a fellowship in Sports Medicine and Shoulder Surgery at Johns Hopkins University, where he served as a team physician for the Baltimore Orioles and the Johns Hopkins University athletic department. He has also served as a physician for the U.S. Open at Bethpage and Shinnecock Hills.
Dr. Savino treats Achilles tendon ruptures and Achilles tendonitis, along with a wide range of other sports injuries. Many of his patients are "weekend warriors" who stay active in all kinds of sports.
Savino Orthopedics has two Long Island offices:
Stony Brook: 2500 Nesconset Hwy, Building 20-A, Stony Brook, NY 11790 · 631-675-9193
Hauppauge: 517 Route 111, 3rd Floor, Suite 3B, Hauppauge, NY 11788
To schedule an evaluation for an Achilles or ankle injury, request a consultation.
This article is for general educational purposes and is not a substitute for a medical evaluation. If you think you have injured your Achilles tendon, contact a medical professional.
Comments