Orthopedics focuses on the musculoskeletal system. Learn about the diagnosis, treatment, and rehabilitation of bone, joint, ligament, and muscle conditions.
Send us all your questions or requests, and our expert team will assist you.
Tendons play a crucial role in human movement. While muscles generate the power and bones provide the structure, it is the tendons that actually bridge the gap, transmitting the force from the muscle to the bone to create motion. You can think of them as the thick, fibrous ropes of the body. Without them, your muscles would contract uselessly, and your skeleton would remain still. Every time you wiggle a finger, take a step, or blink an eye, a tendon is doing the heavy lifting. However, because they are under constant tension and mechanical stress, tendons are susceptible to injury. When these biological ropes fray, tear, or snap, surgery is often the most reliable way to restore function and strength.
Tendon surgery is a broad field of orthopedics dedicated to repairing these vital connections. It ranges from stitching a small cut on a finger to reattaching a massive tendon like the Achilles or the rotator cuff. For patients, the prospect of tendon surgery can be daunting because it often involves a significant recovery period. Unlike broken bones, which harden and heal relatively quickly, tendons have a limited blood supply and require a careful balance of rest and movement to heal correctly. This section will guide you through the fundamental nature of tendons, the different types of surgeries performed to fix them, and the reasons why a surgeon might recommend an operation over a simple cast or brace.
To understand the surgery, you must first appreciate the material being repaired. Tendons are made of collagen, a strong structural protein arranged in parallel fibers, much like the strands of a nylon rope. This arrangement confers them immense tensile strength, meaning they can withstand powerful pulling forces. They are designed to stretch slightly to absorb shock, but their primary job is to be stiff enough to transfer energy efficiently.
However, this strength comes with a vulnerability. Tendons are relatively avascular, meaning they do not have a rich blood supply like muscles or skin. Blood brings the oxygen and nutrients needed for healing. Because tendons have fewer blood vessels, they heal much slower than other tissues. This biological reality is the main reason why tendon injuries often require surgery and why the rehabilitation process is measured in months rather than weeks.
The timing of the surgery changes the approach significantly. Acute repairs happen shortly after the injury, usually within a few weeks. At this stage, the tendon ends are fresh and can be pulled back together relatively easily. The muscle hasn’t had time to shrink (atrophy).
Chronic repairs are more complex. If a tendon has been torn for months or years, the muscle pulls the tendon end far away from its original attachment point. The tendon itself becomes withered and scarred. In these cases, a simple stitch isn’t enough. Surgeons might need to use a graft—a piece of tissue from a donor or another part of your body—to bridge the gap. This is why getting a prompt diagnosis for a tendon injury is so important.
Tendon surgery is not a universal procedure. The technique used depends entirely on which tendon is injured and how it was damaged. One of the most common procedures is tenorrhaphy, which is the direct surgical repair of a divided tendon. This involves finding the two torn ends of the tendon and stitching them back together with strong, specialized sutures. This type of repair is frequently seen in hand injuries where a knife or glass has severed the tendons that flex the fingers.
Another common category is tendon reattachment. In injuries like a rotator cuff tear or a distal biceps rupture, the tendon pulls completely away from the bone. The surgeon cannot simply stitch tendon to tendon; they must anchor the tendon back onto the bone. This type of injury often uses “suture anchors”—small screws buried in the bone with threads attached to them—to tie the tendon down securely.
Sometimes, the problem isn’t a tear but scar tissue. After an injury or a previous surgery, a tendon can become stuck to the surrounding tissues. This prevents it from gliding smoothly.
Tenolysis is a surgery where the surgeon carefully cuts away the scar tissue (adhesions) to free the tendon. This restores the gliding motion required for movement, such as bending a finger or rotating a wrist.
This is a reconstructive masterpiece.
The surgeon takes a healthy, “extra” tendon from a different part of the body (or a different muscle in the same limb) and reroutes it to perform the function of the damaged tendon.
Tendon surgery is a meticulous craft. It requires a surgeon with steady hands and a profound understanding of biomechanics. The surgeon must stitch the tendon tight enough to hold the ends together but not so tight that it strangles the blood supply. They must also ensure the tension is perfect; if a tendon is repaired too loosely, the muscle won’t be able to generate force. If it is too tight, the joint won’t be able to move fully.
Hand surgeons, in particular, undergo specialized training because the tendons in the hand are incredibly complex, running through tiny tunnels and pulleys. A millimeter of error in the hand can make the difference between a finger that bends and one that remains stiff indefinitely.
Doctors usually view surgery as a definitive solution when conservative methods fail or are inappropriate. For a complete rupture of a major load-bearing tendon like the Achilles or patellar tendon, surgery is often the only way to restore normal walking and power. While these can sometimes heal in a cast, the risk of re-rupture is higher without surgery, and the push-off strength is often lower.
Surgery can remove the damaged tissue and stimulate a new healing response for degenerative conditions like severe tendonitis that have not improved after months of therapy. The decision is always a balance between the risks of surgery (like infection or nerve damage) and the benefits of restoring function.
Send us all your questions or requests, and our expert team will assist you.
Biologically, it takes about 6 to 8 weeks for the tendon to heal enough to withstand light force. However, full remodeling and return to full strength can take 6 to 12 months.
The surgery itself is done under anesthesia. Post-operative pain is managed with medication. Tendon surgeries can be painful in the first few days, but the pain usually subsides quickly as long as the limb is kept still.
Yes, all surgeries leave scars. However, surgeons make incisions along natural skin lines whenever possible to minimize visibility. Minimally invasive techniques also result in smaller scars.
Usually, you will be immobilized in a splint or cast for the first few weeks to protect the repair. However, controlled motion often starts early under the guidance of a therapist to prevent stiffness.
For partial tears, you might heal with therapy. For complete ruptures, the muscle will retract, and you may permanently lose strength and function in that specific movement.
Your Comparison List (you must select at least 2 packages)
