Biceps tendonitis at the shoulder (proximal biceps tendinopathy) is an irritated tendon where the long head of the biceps runs up a groove at the front of the upper arm and into the shoulder joint. It usually causes pain at the front of the shoulder that can spread down the front of the upper arm, worse when lifting, carrying, or reaching forward and overhead. Most people improve with load changes and graded strengthening over 6 to 12 weeks. Some take 3 to 6 months.
It rarely happens on its own. It often appears alongside rotator cuff tendinopathy, shoulder impingement or a tear in the rim of cartilage around the socket (labrum), because these structures sit close together and share the same load. Repeated overhead work, lifting with the arms out in front, and throwing or racquet sports are common triggers.
The biceps also attaches at the elbow. Pain at the front of the elbow is a separate problem and is covered elsewhere as part of the elbow, wrist or hand.
Key takeaways
- Where it hurts: the front of the shoulder, sometimes spreading down the front of the upper arm.
- What provokes it: lifting, carrying, reaching forward or overhead, and throwing.
- Common partners: rotator cuff tendinopathy, shoulder impingement and labral tears often occur alongside it.
- Typical timeline: 6 to 12 weeks for many people; 3 to 6 months for some.
- Sudden pop with a bulge: a sudden snap at the front of the shoulder, then bruising and a bulge low in the upper arm, usually means the tendon has ruptured and should be checked.
Where are you right now?
- It has just started: read the week-by-week section. Reducing heavy carrying and repeated overhead tasks is usually the first step.
- Weeks in and not settling: read “Where else this could be coming from”. A second problem in the shoulder often keeps biceps pain going.
- After an injection or surgery: an injection into the tendon sheath can ease pain for a time. After a biceps tenodesis or tenotomy, your surgeon’s protocol comes first.
- Getting back to work or sport: the “When can I…” table gives typical ranges for lifting, overhead work and throwing.
Week by week
- Weeks 0 to 2: carry bags close to the body or on the other side. Avoid heavy lifting with the arms out in front. Keep the shoulder moving gently. Pain at the front of the shoulder at night is common.
- Weeks 2 to 6: light strengthening for the rotator cuff and shoulder blade muscles, plus gentle biceps work with the elbow by your side. Pain with daily tasks often starts to ease.
- Weeks 6 to 12: heavier loads, then work with the arm forward and overhead. Many people are managing most daily tasks by the end of this period.
- Months 3 to 6: throwing, racquet sports, pull-ups and heavy overhead work are reintroduced in stages.
Where else this could be coming from
- Rotator cuff tendinopathy: pain is usually more on the outer upper arm than the front, and worse lifting the arm out to the side.
- Labral tear (SLAP tear): the biceps tendon attaches to the top of the labrum, so the two often overlap. Clicking, catching or a dead-arm feeling with overhead movements is more typical of a labral problem.
- AC joint pain: pain on top of the shoulder rather than the front, often worse reaching across the body.
- Biceps tendon slipping out of its groove: a painful snap or click at the front of the shoulder when turning the arm, often linked to a rotator cuff tear.
- The neck: a nerve root in the lower neck can refer pain into the front of the shoulder and arm, often with tingling or a change when you move your head.
The biceps tendon often hurts because its neighbors are struggling, so the plan usually treats the whole shoulder.
Is this normal?
- “It is tender to touch at the front.” Common. The tendon runs close to the surface in its groove at the front of the upper arm.
- “Carrying shopping hurts more than lifting.” Common. Holding a load with the arm hanging pulls on the tendon for a long time.
- “My scan shows other things too.” Rotator cuff or labral changes alongside biceps tendinopathy are common, and many are also seen in people without pain.
- “I felt a pop, and the pain eased.” Some people notice their pain eases after the long head of the biceps ruptures. A bulge low in the upper arm often follows. It still needs to be checked, but it is often managed without surgery, especially in older or less active people.
If it isn’t going to plan
Maybe it is week seven. You have been carrying the laundry basket on your other hip and avoiding the top shelf, and the front of the shoulder still aches by evening. The thought is that the tendon just needs more rest. Rest takes the edge off, but the biceps tendon often stays irritated when the rotator cuff and shoulder blade muscles are not controlling the ball of the shoulder well. Resting the arm weakens those muscles further.
What usually helps is strengthening the muscles around the biceps tendon, then the tendon itself, building load in small steps over weeks. If you are not clearly better after 6 to 12 weeks of that, get assessed by a physical therapist or doctor. Questions worth asking:
- Other structures: is my rotator cuff or labrum involved as well?
- Program: which muscles should my exercises target first?
- Injection: is an injection worth considering, and how would I use the weeks after it?
- Surgery: at what point would a tenodesis or tenotomy be discussed, and what would recovery involve?
When can I…
| Activity | Typical range |
|---|---|
| Sleep on that side | Often possible earlier than with other shoulder tendon problems; some people need 2 to 6 weeks |
| Drive | Usually possible throughout |
| Reach overhead | Occasional reaching early; repeated or loaded overhead work often 6 to 12 weeks |
| Lift | Light loads close to the body early; heavier lifting and carrying built up over 6 to 12 weeks |
| Desk work | Usually possible throughout |
| Manual work or sport | Throwing, racquet sports and heavy pulling often 3 to 6 months |
If you have had surgery, your surgeon’s protocol comes first.
Call your local emergency number or go to the emergency department if
- Chest symptoms: pain at the front of the shoulder or in the arm comes with chest pain or pressure, breathlessness, sweating or nausea.
- Arm circulation: the arm suddenly becomes cold, pale, blue or very swollen.
See a doctor today if
- Hot, swollen shoulder: the shoulder is hot, red or swollen, or you have a fever.
- Pop at the elbow: you felt a pop at the front of the elbow with sudden weakness turning the forearm. That is a different tendon injury and is time-sensitive.
Get it checked soon if
- Pop with a bulge: you felt a snap at the front of the shoulder followed by bruising or a bulge in the upper arm.
- Weakness lifting: you cannot lift the arm out to the side or forward after an injury.
- No progress: pain has not clearly improved after 6 to 12 weeks of reduced load and exercise.
- Tingling: pain spreads below the elbow or comes with tingling or numbness.
More on this area: shoulder conditions.
Biceps pain at the front of the shoulder usually settles when the whole shoulder gets stronger, not the biceps alone.
Written by Louise Yow, Neck & Shoulder Physio.