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ShoulderTendinopathy / OveruseModerate evidence

Long-Head Biceps Tendinopathy

Anterior shoulder pain associated with loading of the long-head biceps tendon; frequently coexists with rotator cuff or labral pathology.

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Structures Involved

  • Long-head biceps tendon in the bicipital groove and intra-articular segment
  • Rotator cuff and superior labrum may be associated

Mechanism / Why It Happens

  • Repeated overhead loading
  • Rapid increase in pulling, throwing or lifting volume

Classification / Grades

  • Load-related tendinopathy
  • Possible instability, partial tear or associated labral/rotator cuff disorder

Symptoms

  • Anterior shoulder pain
  • Pain with resisted elbow flexion or supination
  • Pain during overhead or pulling activity

Clinical Signs

  • Bicipital groove tenderness may be present
  • Pain with resisted supination/flexion
  • Shoulder ROM may be near full

Red Flags & Referral Clues

  • Acute traumatic loss of strength or suspected rupture
  • Marked deformity/Popeye sign with acute pain
  • Dislocation, fracture or neurovascular symptoms

Diagnostic Examination

How to perform the tests — step by step

Each test includes patient setup, therapist position, hand placement, exact performance, positive finding and clinical interpretation.

Uppercut Test

Load the long-head biceps and reproduce familiar anterior shoulder pain.

Patient position

Seated; elbow flexed 90°, forearm supinated; clinician resists an upward fist/uppercut motion.

Therapist position

Position yourself to observe and stabilise the relevant segment without forcing the movement.

Hand placement

Use comfortable, controlled contact appropriate to the test; avoid painful compression or excessive force.

How to perform

  1. 1Explain the test and obtain consent.
  2. 2Screen contraindications and compare sides when appropriate.
  3. 3Perform the movement slowly and apply only the required resistance or stress.
  4. 4Record familiar symptom reproduction, range, strength and side-to-side difference.

Positive sign

Familiar anterior shoulder pain or painful weakness.

Interpretation

Test clusters and associated cuff/labral findings are needed; no single biceps test confirms pathology.

Clinical note: A special test modifies clinical probability; it does not confirm a diagnosis in isolation.

Differential Diagnosis

  • Rotator cuff tendinopathy/tear
  • SLAP lesion
  • AC joint pain
  • Cervical referral

Investigations / Imaging

  • Imaging is not routinely required for typical load-related pain.
  • Ultrasound/MRI or orthopaedic assessment when rupture, instability or significant associated pathology is suspected.

Complete Rehabilitation Plan

From protection to full function

Phase 1 — Protection, Education & Symptom-Guided Loading

Address safety, settle excessive irritability and maintain useful movement.

What to do

  • Modify painful overhead and heavy supination loads
  • Maintain comfortable shoulder ROM
  • Explain tendon load management and avoid complete rest

Exercise dosage

  • Pain-tolerable isometric elbow flexion/supination: 4–5 x 20–30 seconds
  • Comfortable shoulder ROM: 5–10 reps

Progress when

  • Daily function is stable or improving.
  • No new red flags or progressive neurological deficit.
  • Exercise response returns to baseline by the following day.

Phase 2 — Mobility, Strength & Capacity

Restore the specific strength, mobility and control required by the condition.

What to do

  • Progressive elbow flexion/supination and shoulder strengthening
  • Train rotator cuff and scapular capacity
  • Rebuild pulling and overhead tolerance

Exercise dosage

  • Biceps curls and supination: 3 x 8–15, 2–3 days/week
  • Rows/external rotation: 2–3 x 10–15

Progress when

  • Target movement and resistance are tolerated with good quality.
  • Functional capacity is improving without sustained symptom flare.
  • Progression is based on objective performance and patient goals.

Phase 3 — Functional Restoration & Return to Activity

Rebuild real-world, occupational or sporting capacity.

What to do

  • Graded return to throwing, lifting or occupational overhead tasks
  • Increase speed, volume and load separately
  • Maintain strength programme

Exercise dosage

  • Progress heavy-slow resistance: 3–4 x 6–10
  • Overhead/throwing progression with rest between higher-load sessions

Progress when

  • Condition-specific return criteria are met.
  • Full task exposure is completed progressively.
  • No clinically meaningful deterioration during the following 24 hours.

Manual Therapy — Role & Application

  • Soft-tissue or shoulder mobility techniques may be used for short-term symptom modulation.
  • Do not repeatedly compress or aggressively friction a sensitive tendon.

Modalities — Use / Avoid

  • No modality has been shown to replace progressive loading.
  • Consider short-term symptom relief only where it enables activity.

Return / Discharge Criteria

  • Resisted elbow flexion/supination tolerated
  • Overhead and pulling tasks completed without meaningful next-day flare
  • Strength adequate for target activity

Common Clinical Mistakes

  • Diagnosing isolated biceps disease from groove tenderness alone
  • Ignoring cuff/labral co-pathology
  • Only using passive treatment

Clinical Pearls

  • Biceps symptoms often coexist with other shoulder disorders.
  • Load progression should reflect both shoulder and elbow demands.

Continue learning

Connect assessment with management

Use the related PNA learning pathways to explore examination techniques and structured rehabilitation. A test result should always be interpreted alongside the history, full examination and clinical presentation.

Evidence sources

Use these sources as a starting point for clinical learning. A reference being listed here does not, by itself, establish that every recommendation on this page is strongly supported. Check the original publication, study design, population and limitations before applying findings to an individual patient.

Educational resource only. Tests and treatment plans must be adapted to the individual patient, irritability, comorbidities, surgical restrictions and local scope-of-practice requirements.