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Distal Triceps Tendinopathy / Rupture

Rare condition representing less than 1% of tendon ruptures. Occurs mainly in weightlifters and during fall landings. Loss of active extension against resistance is the cardinal clinical sign. Complete rupture requires urgent surgical reinsertion.

Characteristics

Tendinopathy and rupture of the distal triceps brachii tendon is the rarest elbow tendinopathy, representing less than 1% of all tendon ruptures [1]. The triceps brachii, composed of three heads (long, lateral and medial), is the primary elbow extensor. Its distal tendon inserts on the posterior surface of the olecranon with a broad footprint. Annual incidence is estimated at 0.8 per 100,000 inhabitants.

Main risk factors are anabolic steroid use (found in 30-60% of cases in some series), repeated corticosteroid injections, and metabolic diseases (hyperparathyroidism, chronic renal failure) [2]. The mechanism is either a sudden eccentric contraction against resistance in weightlifters (bench press, dips), or direct trauma (fall on the elbow with hand landing). The rupture most often occurs at the bony insertion (olecranon avulsion) sometimes with a pulled-off bone fragment.

The pathognomonic clinical sign is loss of resisted extension with a palpable defect over the tendon. Ultrasound and MRI confirm the diagnosis. Complete rupture treatment is urgent surgery (reinsertion by anchors or transosseous tunnels in the olecranon), while partial ruptures may benefit from conservative treatment [3].

  • The triceps brachii is the only significant elbow extensor. Its three heads (long, lateral and medial) converge into a broad common tendon inserting on the tip and posterior surface of the olecranon. The lateral aponeurotic expansion toward the anconeus may maintain some active extension despite a main tendon rupture.
  • Mechanism: violent eccentric contraction of the triceps during reception of a heavy overhead load (bench press, military press, dips), or fall on outstretched hand with elbow in flexion. Rupture occurs at the olecranon insertion (90%) or at the myotendinous junction (10%).
  • Risk factors: anabolic steroids (30-60% of cases in surgical series), local corticosteroid injections, fluoroquinolones, hyperparathyroidism, chronic renal failure, competitive weightlifting, American football (linemen). Male predominance, peak between 25 and 50 years.
  • Complications: loss of active extension against resistance (major functional deficit for pushing activities), residual post-surgical weakness (5-15%), re-rupture (2-5%), heterotopic ossification, ulnar neuropathy. Diagnosis is often delayed (up to 30% of cases) as the condition is rare and poorly recognized.

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  1. Partial Rupture

    Partial rupture of the distal triceps tendon (< 50% of tendon cross-section). Active extension against gravity preserved but painful and weakened. Posterior elbow pain with swelling over the olecranon. Conservative treatment: immobilization in extension 3-4 weeks then progressive rehabilitation. Control MRI at week 6.

  2. Complete Rupture

    Complete rupture of the distal triceps tendon with loss of active extension against resistance. Palpable defect over the olecranon insertion. Possible avulsion of a bone fragment (flake sign on radiograph). Urgent surgical reinsertion within 2 weeks: anchors or transosseous tunnels in the olecranon. Post-operative rehabilitation of 4-6 months.

Medical and Surgical Management

  • Partial rupture (< 50% of tendon cross-section): conservative treatment with posterior splint immobilization in elbow extension for 3-4 weeks. Progressive resumption of flexion then extension strengthening. Control MRI at week 6 to assess healing.
  • Complete rupture: urgent surgical reinsertion (within 2 weeks) by anchors or transosseous tunnels in the olecranon. Direct tendon repair if tissue quality is good. Graft reinforcement if degenerated tendon (palmaris longus, gracilis, or allograft).
  • Chronic rupture (> 4-6 weeks): tendon reconstruction by graft (rotational anconeus, Achilles allograft) as tendon and muscle retraction often prevents direct reinsertion. Functional outcomes inferior to early primary repair.

Physiotherapy treatment

  • Post-surgical: posterior splint immobilization with elbow in extension (or slight 20-30° flexion) for 2-3 weeks. Gentle passive flexion mobilization from week 2-3: progressive flexion limited to 90° until week 4, then 10° increase per week.
  • Week 4-6: active extension through full range. Progressive passive full flexion. No resisted extension before week 6-8. Post-session cryotherapy. Scar massage.
  • Week 8-12: progressive triceps strengthening. Isometric extension exercises then concentric with increasing resistance. Closed-chain work (wall push-ups then inclined). Extension against gravity then against light resistance.
  • Week 12-24: complete muscle strengthening with progressive loads, eccentric triceps work, functional and sports reintegration. Return to bench press and pushing exercises from week 16-20 with progressive loads. Full return to sports at 6 months.

After the session

You may feel slight fatigue or tightness: this is normal. Continue the exercises taught at home to maintain session benefits.

Questions About Elbow Rehabilitation

When should I start physiotherapy after elbow surgery?

Rehabilitation generally begins between 3 and 21 days after the operation, depending on the type of procedure and the stability of the surgical fixation. For fractures treated with stable internal fixation (screw plate), early mobilization is often authorized from D+3 to D+5 to prevent joint stiffness. In cases of elbow replacement or complex ligament repair, the delay may be extended to 2-3 weeks with initial immobilization in a splint. A systematic review published in the Journal of Shoulder and Elbow Surgery confirms that early mobilization after elbow surgery significantly improves final range of motion without increasing the risk of complications [Hackl et al., 2023] . Your surgeon will advise the optimal timing based on your specific procedure.

What are the goals of elbow rehabilitation?

Elbow rehabilitation pursues several complementary goals, adapted to each phase of recovery. In the initial phase (0-6 weeks), the priority is to restore range of motion in flexion-extension (goal: 30°-130° minimum for daily activities) and in pronation-supination (50° in each direction minimum). In the intermediate phase (6-12 weeks), the focus is on progressive muscle strengthening of the flexors, extensors and rotators of the forearm, as well as restoring joint stability through proprioceptive exercises. In the advanced phase (3-6 months), the emphasis is on functional reintegration: daily activities, work tasks and return to sports. Scientific literature highlights that the minimum functional arc of the elbow (30°-130° of flexion-extension, 50° of pronation and 50° of supination) is necessary to perform 90% of daily activities [Mofidi et al., 2020] . Scar treatment and adhesion prevention complete this comprehensive care approach.

Is elbow rehabilitation painful?

The techniques used are progressive and adapted to your tolerance. The elbow is a joint particularly prone to stiffness and inflammatory reactions: overly aggressive rehabilitation can paradoxically worsen the situation by causing heterotopic ossifications (abnormal bone formations in soft tissues). Exercises must be regular but never forced . The physiotherapist always adapts the intensity to stay below the pain threshold, following the "no pain, more gain" rule specific to the elbow. Gentle, regular active mobilization spread across the day in short sequences is generally preferred to prevent stiffness, with early active mobilization recommended after an elbow injury [Akhtar et al., 2021] . Complementary techniques such as cryotherapy , microcurrents and Novafon vibration therapy also help control pain during sessions.

Scientific sources

Average duration

4 to 6 months after surgical reinsertion, return to sports at 6 months minimum

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