Lister's tubercle
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Lister's tubercle or the dorsal tubercle of the radius is a bony protuberance on the dorsal surface of the distal radius. It separates the 2nd (ECRB and ECRL) and 3rd (EPL) extensor compartments. It acts as a pulley for the EPL tendon, changing it mechanic angle's mechanical direction of action.
-<p><strong>Lister's tubercle</strong> or the <strong>dorsal tubercle</strong> of the <a title="radius" href="/articles/radius">radius</a> is a bony protuberance on the dorsal surface of the distal <a href="/articles/radius">radius</a>. It separates the 2<sup>nd </sup>(<a href="/articles/ercb">ECRB</a> and <a href="/articles/extensor-carpi-radialis-longus">ECRL</a>) and 3<sup>rd </sup>(<a href="/articles/extensor-pollicis-longus">EPL</a>) <a href="/articles/extensor-compartments-of-the-wrist">extensor compartments</a>. It acts as a pulley for the EPL tendon, changing it mechanic angle of action.</p>- +<p><strong>Lister's tubercle</strong> or the <strong>dorsal tubercle</strong> of the <a href="/articles/radius">radius</a> is a bony protuberance on the dorsal surface of the distal <a href="/articles/radius">radius</a>. It separates the 2<sup>nd </sup>(<a href="/articles/ercb">ECRB</a> and <a href="/articles/extensor-carpi-radialis-longus-muscle">ECRL</a>) and 3<sup>rd </sup>(<a href="/articles/extensor-pollicis-longus">EPL</a>) <a href="/articles/extensor-compartments-of-the-wrist">extensor compartments</a>. It acts as a pulley for the EPL tendon, changing it's mechanical direction of action.</p>
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