Snapping triceps syndrome is a rare cause of medial elbow pain, typically seen in athletes and individuals engaged in repetitive elbow movements. It is characterized by the subluxation of the medial head of the triceps and, in some cases, the ulnar nerve over the medial epicondyle during flexion and extension. The anatomy and biomechanics of the medial triceps, including its deep insertion and proximity to the ulnar nerve, play a critical role in the condition’s development. Diagnosis is primarily clinical, with imaging techniques like dynamic ultrasound and magnetic resonance imaging providing valuable insights into the anatomical variations that contribute to snapping. Conservative treatment, including activity modification, physical therapy, and anti-inflammatory medications, is the first line of management. However, when conservative measures fail, surgical intervention becomes necessary. Surgical options such as ulnar nerve transposition, medial triceps release or excision, and corrective osteotomy have shown favorable outcomes, with most patients experiencing a full return to activity within 3–6 months. While complications are uncommon, persistent snapping or ulnar neuropathy may occur, occasionally requiring revision surgery. With appropriate diagnosis and treatment, including surgical management when necessary, snapping triceps syndrome can be effectively addressed, allowing patients to return to their pre-injury level of function with minimal complications.

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Snapping Triceps

  • Jorge Rojas Liévano,
  • Gustavo Antonio Gil Noriega

摘要

Snapping triceps syndrome is a rare cause of medial elbow pain, typically seen in athletes and individuals engaged in repetitive elbow movements. It is characterized by the subluxation of the medial head of the triceps and, in some cases, the ulnar nerve over the medial epicondyle during flexion and extension. The anatomy and biomechanics of the medial triceps, including its deep insertion and proximity to the ulnar nerve, play a critical role in the condition’s development. Diagnosis is primarily clinical, with imaging techniques like dynamic ultrasound and magnetic resonance imaging providing valuable insights into the anatomical variations that contribute to snapping. Conservative treatment, including activity modification, physical therapy, and anti-inflammatory medications, is the first line of management. However, when conservative measures fail, surgical intervention becomes necessary. Surgical options such as ulnar nerve transposition, medial triceps release or excision, and corrective osteotomy have shown favorable outcomes, with most patients experiencing a full return to activity within 3–6 months. While complications are uncommon, persistent snapping or ulnar neuropathy may occur, occasionally requiring revision surgery. With appropriate diagnosis and treatment, including surgical management when necessary, snapping triceps syndrome can be effectively addressed, allowing patients to return to their pre-injury level of function with minimal complications.