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Flexor-Pronator Muscle Strain

 

synonyms: Flexor-Pronator Muscle Strain

Flexor-Pronator Muscle Strain ICD-9

Flexor-Pronator Muscle Strain Etiology / Epidemiology / Natural History

  • Repetitive stress especially in throwing athletes may lead to: Mild muscular overuse, Chronic tendinitis, or Acute muscle tears.

Flexor-Pronator Muscle Strain Anatomy

  • Common flexor-pronator muscle origin from the medial epicondyle provides dynamic support to valgus stress especially during throwin.
  • Flexor-pronator contractile forces resist valgus stress during early arm acceleration and help produce wrist flexion during ball release. (Sisto DJ, Am J Sports Med 1987;15:260).

Flexor-Pronator Muscle Strain Clinical Evaluation

  • Medial elbow pain during the late cocking or acceleration phases of throwing
  • tenderness just distal to the common tendon origin from the medial epicondyle.

Flexor-Pronator Muscle Strain Xray / Diagnositc Tests

Flexor-Pronator Muscle Strain Classification / Treatment

  • generally responds well to a period of active rest with antiinflammatory medication, physical therapy, and gradual return to throwing.
  • Consider  corticosteroid injection for chronic flexor-pronator tendinitis, avoid injection in the region of the ulnar collateral ligament.

Flexor-Pronator Muscle Strain Associated Injuries / Differential Diagnosis

Flexor-Pronator Muscle Strain Complications

  • Continued symptoms

Flexor-Pronator Muscle Strain Follow-up Care

Flexor-Pronator Muscle Strain Review References

  • Cain EL. AJSM 2003;31:621

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