Distal biceps tendon tears

What is a distal biceps tear?

The biceps is the muscle at the front of the upper arm. At the elbow, its tendon attaches to a forearm bone called the radius. That attachment helps you bend the elbow and turn your palm up. In a distal biceps tear, the tendon pulls away from the bone.

This injury is mostly seen in middle-aged men. In one review of 1,093 patients, the average age was 44.9, and 99.2% were men. The dominant arm was injured in 64.9%, and sport caused 43.5% of the injuries (Boufadel, 2025).

How do I know if I tore my distal biceps?

It usually happens when a heavy load forces a bent elbow straight, such as lifting a heavy object or catching something falling. Many people feel a pop at the front of the elbow. Bruising follows, and the muscle may bunch up toward the shoulder.

The arm may still bend, because other muscles help. That can make the injury seem minor. Turning a key or a screwdriver often feels weak.

Get it checked soon. The exam often points to the answer, and an MRI or ultrasound can confirm whether the tear is partial or complete.

Can a distal biceps tear heal without surgery?

The tendon does not reattach to the bone by itself after a complete tear. Non-surgical care aims to calm the pain and strengthen the muscles that remain. It usually means a short period of rest, then physical therapy and changes to how you lift.

Many people keep a useful arm this way, with some lasting weakness. Non-surgical care may suit someone who does not need much bending or twisting strength, or someone with a high risk from surgery. Some partial tears also start this way.

How much difference does surgery make?

A review of 2,481 cases compared the two paths. On average, surgery was linked to about 26% more elbow bending strength and about 28% more forearm twisting strength. Twisting endurance was about 34% higher. Patient-reported scores were also better with surgery (Looney, 2022).

There is an important limit here. Only 79 of those cases were treated without surgery, and few studies compare the two directly (Looney, 2022). So the choice depends on how you use your arm, as well as your health and goals.

How soon should a distal biceps tear be repaired?

Earlier is simpler. Over time the tendon can pull back and scar, which may make it harder to reach the bone. A graft may then be needed.

Waiting does not always close the door. One review defined a chronic tear as older than 21 days, and it included 434 chronic tears. Motion, function, and strength were similar to the other arm, and pain fell to low levels. Some surgeons used a graft. The complication rate may be slightly higher right after surgery, and numbness in the forearm was the main problem, which was temporary in 69.1% of cases (Bajwa, 2022). The quality of these studies varied widely.

If you were told it is too late, it may still be worth asking. If the injury just happened, try to be seen within days.

How is a distal biceps tear repaired?

The surgeon reattaches the tendon to the radius through one incision or two. It can be fixed with a button, an anchor, a screw, or a tunnel in the bone. Function was excellent regardless of incision or fixation in one review (Boufadel, 2025). The choice of fixation did not significantly change the rate of re-rupture or major nerve injury in another (Amarasooriya, 2020).

In a review of repair, 91.5% of patients returned to sport, and 85.2% returned to their earlier level or higher, at an average of 6.3 months (Boufadel, 2025). Those are group averages, not a promise for any one arm.

What are the risks of surgery?

A review of 3,091 repairs found an overall complication rate of 25%, and most were minor. The most common was injury to a skin nerve of the forearm, in 9.2%. Major complications occurred in 4.6%, including a motor nerve injury in 1.6% and re-rupture in 1.4%. Most nerve injuries got better without further treatment (Amarasooriya, 2020).

Results vary from person to person, and no surgeon can promise a certain outcome.

Should I get a second opinion?

It can help, especially if you were told your tear is too old to repair, or if you are weighing surgery against non-surgical care. Here’s how a second opinion works.

Where can I see Dr. Pareek?

Dr. Pareek sees patients with distal biceps tears at HSS in New York and at HSS in New Jersey. Bring any X-rays, MRI images, and reports you already have.

What does recovery look like?

These are typical ranges. Your surgeon’s plan comes first, and recovery varies from person to person.

• Weeks 0-2: Rest and protectMany people use a splint, sling, or hinged brace, with a focus on pain, swelling, and moving the hand and wrist.
• Weeks 2-6: Regain motionGentle elbow and forearm motion builds up, as your plan allows. Avoid lifting with the arm while the tendon heals to the bone.
• Weeks 6-12: Start light strengthMost people work toward full motion and everyday use of the arm. Light strengthening starts when your surgeon allows it.
• Months 3-6: Build strengthTherapy moves toward harder bending and twisting strength, with lifting increased in steps.
• Months 6 and beyond: Return to sportMany people return to sport and heavy work around six months, once strength allows. These are typical ranges, and your surgeon's plan governs.

Sources

1. Looney AM, et al. Operative vs. nonoperative treatment of distal biceps ruptures: a systematic review and meta-analysis. J Shoulder Elbow Surg 2022;31:e169-e189.
2. Bajwa A, et al. Surgical results of chronic distal biceps ruptures: a systematic review. Orthop J Sports Med 2022;10:23259671211065772.
3. Amarasooriya M, et al. Complications after distal biceps tendon repair: a systematic review. Am J Sports Med 2020;48:3103-3111.
4. Boufadel P, et al. Return to sport after distal biceps tendon repair: a systematic review. Am J Sports Med 2025;53:1769-1778.