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Transverse Loaded Pronosupination TestFrom the Institut Kaplan, Hand and Upper Extremity Surgery, Barcelona, Spain and Centro de Estudios Ortopédicos de Passo Fundo, Rio Grande do Sul, Brazil Correspondence: Marc Garcia-Elias, MD, PhD, Institut Kaplan, Passeig de la Bonanova, 9, 2-2, 08022 Barcelona, Spain. Tel.: +34 93 417 84 84; fax: +34 93 211 04 02. E-mail: garciaelias{at}infonegocio.com. A new test to evaluate the ability of the distal radioulnar joint to sustain transverse loads while the forearm rotates from pronation to supination is described. Both arms were tested in 100 normal volunteers. The average weight-bearing capability of the normal unsupported forearm was 5.07 kg, equating to a force of 49.8 N. The test may be useful in the assessment of pathological conditions involving weakness of the forearm rotator muscles, with or without joint incongruity, as well as being an indirect way to assess the load-bearing capacity of radioulnar implants.
Key Words: radioulnar joint pronosupination load transfer wrist kinetics
This version was published on December
1, 2008 Journal of Hand Surgery (European Volume), Vol. 33, No. 6,
765-767 (2008) |
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