Stable pronator quadratus repair following volar plate fixation of distal radius fractures with complete plate coverage is often difficult. Detachment of the pronator quadratus muscle (PQ) with astrong rim of connective tissue consisting of afibrous portion of the roof of the first extensor compartment and the volar limb of the brachioradialis muscle (BR) insertion; stable suture repair of the PQ with complete coverage of avolar plate after osteosynthesis of adistal radius fracture. Radiopalmar approach between the radial artery and the flexor carpi radialis tendon to the PQ; sharp dissection below the radial artery onto the first extensor compartment, which is opened; retraction of the extensor pollicis brevis and abductor pollicis longus tendon; presentation of the BR insertion at the bottom of the first extensor compartment; incision of the BR insertion halfway to proximal and dissection of the volar limb at the transition to the free BR tendon; release of the PQ from the distal radius; after reduction and internal fixation repair of the PQ with complete coverage of the volar locking plate due to slight distal transposition. Pronator quadratus repair with apart of the brachioradialis muscle insertion is areliable technique for coverage of avolar plate by slight distal transposition. In the repair of distal radius fractures, this may protect the finger flexor tendons against irritation and/or rupture.