Incision and repair of the pronator quadratus in the distal tendinous region is stronger than incision and repair at the red myotendinous junction of the distal PQ.īiomechanics Distal radius fracture Hand orthopedic surgery Orthopedic surgery Pronator quadratus.Ĭopyright © 2023 Elsevier Ltd. ![]() The average load to failure for the white group was significantly higher than that of the red group (29.46 ± 4.24 N vs. There was no significant difference between the two groups for pronator quadratus height, width, total area, or tendinous zone height, width, or total area. The pronator quadratus distal tendinous zone had a mean width, height, and area of 29.71 ± 5.83 mm, 12.22 ± 2.79 mm, 282.94 ± 148.30 mm 2 respectively. Fracture of the distal radius is the result of trauma. The pronator quadratus had a mean width, height, and area of 31.41 ± 5.74 mm, 53.79 ± 7.46 mm, and 1604.27 ± 429.20 mm 2 respectively. This document addresses the treatment of acute distal radius fracture in adults (defined as patients 19 years of age and older). Load-to-failure testing of the repair was performed at 1 mm/s with maximum amount of force applied to the pronator quadratus recorded for each specimen. He reduces the fracture and applies a Volar Accumed Distal Radius plate. The proximal muscular pronator quadratus was fixed in a cryo-clamp. Knight repairs a comminuted distal radius fracture through a volar approach. The radius and ulna were positioned in 90° of wrist extension. For both groups, repair of the muscle was performed using two figure-of-8 sutures. ![]() Distal radius fractures are the most common arm. Your doctor may refer to it as a wrist fracture or broken wrist. Specimens were randomly allocated for transection of the pronator quadratus at the myotendinous junction (red group) or parallel to the myotendinous junction at the midsection of the distal tendinous zone (white group). A distal radius fracture is a break in the part of the bone closest to your wrist. We aimed to biomechanically evaluate the distal pronator quadratus and compare two locations of distal transection on the strength of the subsequent repair.Įighteen fresh-frozen cadaveric specimens were dissected to the pronator quadratus muscle. Distal Radius fractures are common after fall on outstretched hand.When its broken and badly it sometimes requires surgery.Volar Locking plate is now commonl.
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