A biceps tendon rupture is when one of the tendons connecting the biceps muscle to the bone tears, either partially or completely. It most commonly happens in the long head of the biceps, which runs from the shoulder joint down the front of the arm. In some cases, the distal biceps tendon (near the elbow) can also rupture. This kind of injury usually leads to sudden pain, weakness, and a noticeable change in the shape of the arm.

An analogy…

Think of the biceps tendon like a rope holding a heavy object. If the rope snaps under too much tension, the object drops, and the rope recoils. The same happens to the tendon, once it tears, the biceps muscle can retract or bunch up, creating what’s often called a “Popeye” arm deformity.

What are other names that a biceps tendon rupture can be referred to?

Biceps Rupture, Ruptured Biceps

What causes a biceps tendon rupture?

The long head of the biceps tendon runs through a groove in the upper arm and connects deep into the shoulder. Over time, the tendon can weaken due to wear and tear, repetitive overhead use, or inflammation from tendonitis. A rupture typically happens when a sudden or heavy load is applied, especially during activities like lifting, catching a heavy object, or resisting a strong pull. The distal biceps tendon near the elbow can also rupture with a sudden force, often during heavy lifting.

What are the signs and symptoms of a biceps tendon rupture?

• Sudden, sharp pain in the upper arm or at the front of the shoulder
• “Popping” sound or sensation at the time of injury
• Visible bulge or deformity in the biceps muscle
• Bruising and swelling in the upper arm or forearm
• Weakness in lifting, especially with bending the elbow or turning the palm upward
• Pain or tenderness near the bicipital groove or elbow

What tests are used to diagnose a biceps tendon rupture?

Hook Test: The patient bends their elbow to 90 degrees and turns their palm up. The practitioner tries to “hook” a finger under the biceps tendon from the side of the elbow. If the tendon is not present or can’t be hooked, the test is positive, suggesting a distal biceps tendon rupture.

Biceps Squeeze Test: The patient rests their arm slightly bent, palm up. The practitioner squeezes the middle of the biceps muscle. If the forearm doesn’t move or rotate outward (supinate), the test is positive, indicating a possible distal biceps rupture.

How long does a biceps tendon rupture take to heal?

Recovery from a biceps tendon rupture depends on the location and severity of the tear. Often for long head ruptures, most people regain functional use of the arm within 6 to 12 weeks, although some strength loss may remain.

How does a biceps tendon rupture happen?

• Heavy or sudden lifting
• Chronic biceps tendonitis or rotator cuff problems
• Repetitive overhead movement
• Use of corticosteroids or smoking, which can weaken tendons
• Poor shoulder mechanics or previous shoulder injuries

What treatment can help a biceps tendon rupture?

• Ice and anti-inflammatory medications for pain
• Manual therapy to manage muscle tightness and improve function
• Rehabilitation exercises to strengthen the shoulder and surrounding muscles
• Education on safe lifting techniques and movement modification

What exercises or stretches can I do for a biceps tendon rupture?

• Range of motion exercises
• Isometric biceps and shoulder activation
• Scapular stability and postural drills
• Progressive strengthening using bands or light weights
• Functional lifting and grip strength work in later stages

What products can help with a biceps tendon rupture?

• Trigger Ball
• KT Pilates Band Pack