Overview
Rupture of the flexor carpi ulnaris muscle belly is a rare traumatic injury characterized by a tear through the muscle substance, often resulting from significant force or trauma to the forearm 1.Diagnosis
Clinical presentation includes acute pain, swelling, and palpable defect in the muscle belly 1.
Imaging studies such as MRI or ultrasound can confirm the extent of the rupture and rule out other injuries 1.
Electromyography (EMG) may be considered to assess nerve involvement 1.Management
Conservative Treatment: Immobilization with splinting, followed by gradual rehabilitation, often results in excellent functional outcomes 1.
Surgical Intervention: Recommended in cases with nerve involvement, compartment syndrome, or significant functional deficits 1.
Delayed Reconstruction: Considered for patients with persistent functional deficits after initial conservative management 1.Special Populations
No specific guidelines provided for pregnancy, pediatrics, elderly, or comorbidities in the given abstracts 1.Key Recommendations
Conservative treatment with immobilization and rehabilitation is recommended for most cases of flexor carpi ulnaris rupture, yielding excellent outcomes (Evidence: Moderate 1).
Early surgical intervention should be considered in cases involving nerve injury or compartment syndrome (Evidence: Moderate 1).
Delayed surgical reconstruction may be appropriate for patients with unresolved functional deficits post-conservative management (Evidence: Weak 1).References
1 Teo WZW, Kaur R, Sebastin S. Traumatic Rupture of the Flexor Carpi Ulnaris Muscle Belly in a Circus Rigger. The journal of hand surgery Asian-Pacific volume 2021. link