Abstract
Elbow flexion is essential to help position the hand in space and for functional use of the upper extremity. Loss of elbow function can be secondary to many etiologies, including but not limited to brachial plexus injury, traumatic muscle loss, oncologic treatment, poliomyelitis or congenital absence of motor function. The end result is a significant functional limitation of the upper extremity. One method to address the loss of elbow flexion is the use of a functional muscle transfer. These transfers can be performed as pedicled rotational transfers or free functional muscle transfers. This article reviews functional muscle transfers for restoration of elbow flexion as a treatment option for patients with an otherwise unreconstructable extremity.