The great advantages of the radial forearm fasciocutaneous flap are offset
by the dilemmas associated with its donor site. The most commonly encounter
ed problems are the functional and cosmetic sequelae of skin graft loss wit
h consequent exposure of volar forearm tendons, the superficial sensory bra
nch of the radial nerve, and the radius. Techniques that minimize donor sit
e morbidity are those that provide a well-vascularized bed for the protecti
on of exposed tendon, nerve, and bone, and for the acceptance of skin graft
s. A technique involving the mobilization of the flexor pollicis longus mus
cle belly in conjunction with the abductor pollicis longus with approximati
on to the flexor digitorum superficialis muscle belly provides stable, well
-vascularized coverage of the radial forearm flap donor site, with reliable
skin graft acceptance and no functional sequelae.